Do you have a passion for decentralized systems and the potential they hold to revolutionize industries? Are you excited by the challenge of designing and developing blockchain-based solutions that enable secure, transparent, and efficient transactions? If you’re looking to shape the future of blockchain technology and drive innovative applications in areas like finance, supply chain, and beyond, then our client has the perfect role for you. We’re seeking a Blockchain Developer (aka The Decentralization Architect) to design, develop, and implement blockchain technologies that enable next-generation decentralized solutions.

As a Blockchain Developer at our client, you’ll work closely with software engineers, cryptographers, and product teams to create blockchain-powered applications that solve real-world problems. From smart contracts and decentralized apps (dApps) to building secure blockchain networks, you’ll be at the forefront of transforming industries with distributed ledger technology.

Key Responsibilities:

1. Design and Develop Blockchain Solutions:

• Build and deploy blockchain-based applications, smart contracts, and decentralized systems. You’ll work with platforms like Ethereum, Hyperledger, or Polkadot to create secure, efficient, and scalable solutions for a range of use cases.

• Write, test, and deploy smart contracts on blockchain platforms. You’ll ensure that contracts are secure, efficient, and bug-free, using languages like Solidity, Rust, or Vyper, and you’ll conduct code audits to prevent vulnerabilities.

• Develop and implement consensus algorithms (PoW, PoS, DPoS, etc.) and blockchain protocols that ensure the security, scalability, and decentralization of blockchain networks. You’ll work on optimizing network performance and ensuring high transaction throughput.

• Work closely with front-end and back-end teams to integrate blockchain technology into decentralized applications (dApps). You’ll design APIs, develop SDKs, and enable seamless interactions between the blockchain and user interfaces.

• Implement cryptographic algorithms that ensure the integrity and privacy of blockchain transactions. You’ll work with encryption methods like elliptic curve cryptography (ECC) and hash functions to secure data on the blockchain.

• Monitor, maintain, and upgrade blockchain networks and systems to ensure they remain secure and functional. You’ll ensure nodes are properly synchronized, handle network forks, and optimize the blockchain for performance.

• Stay current with the latest developments in blockchain technology, including layer 2 solutions, sidechains, and decentralized finance (DeFi). You’ll experiment with new frameworks and protocols to improve blockchain efficiency and scalability.

Required Skills:

• Blockchain Development Expertise: Strong experience in blockchain development, including working with platforms such as Ethereum, Hyperledger, or Polkadot. You’re skilled in designing decentralized systems and implementing smart contracts.
• Smart Contract Programming: Proficiency in programming languages for smart contracts, such as Solidity, Rust, or Vyper. You know how to write, deploy, and audit smart contracts to ensure security and efficiency.
• Cryptography and Security: Solid understanding of cryptographic principles, including encryption techniques and consensus mechanisms like PoW, PoS, or Byzantine fault tolerance. You’re familiar with securing blockchain networks and preventing attacks.
• Programming and Software Development: Proficiency in programming languages such as Python, JavaScript, or Go. You have experience working with APIs, SDKs, and integrating blockchain systems into decentralized applications (dApps).
• Collaboration and Problem Solving: Strong problem-solving skills and the ability to work effectively with cross-functional teams. You can collaborate with engineers, product managers, and business stakeholders to design blockchain solutions that meet business needs.

Educational Requirements:

• Bachelor’s or Master’s degree in Computer Science, Engineering, Cryptography, or a related field. Equivalent experience in blockchain development is highly valued.
• Certifications or additional coursework in blockchain, cryptography, or decentralized systems are a plus.

Experience Requirements:

• 3+ years of experience in blockchain development, with hands-on experience building and deploying blockchain solutions.
• Proven experience writing and auditing smart contracts, developing decentralized applications, and working with blockchain protocols.
• Experience with cloud-based blockchain services and tools (AWS Blockchain, Azure Blockchain) is highly desirable.

• Health and Wellness: Comprehensive medical, dental, and vision insurance plans with low co-pays and premiums.
• Paid Time Off: Competitive vacation, sick leave, and 20 paid holidays per year.
• Work-Life Balance: Flexible work schedules and telecommuting options.
• Professional Development: Opportunities for training, certification reimbursement, and career advancement programs.
• Wellness Programs: Access to wellness programs, including gym memberships, health screenings, and mental health resources.
• Life and Disability Insurance: Life insurance and short-term/long-term disability coverage.
• Employee Assistance Program (EAP): Confidential counseling and support services for personal and professional challenges.
• Tuition Reimbursement: Financial assistance for continuing education and professional development.
• Community Engagement: Opportunities to participate in community service and volunteer activities.
• Recognition Programs: Employee recognition programs to celebrate achievements and milestones.

Apply Now:

About us

Pass App is on a mission to ignite financial freedom and true ownership for people everywhere. Each member of our team takes ownership and contributes a unique piece to our journey into the exciting realm of web3. Together, we craft more than just meaningful products and services—we create a lasting tangible impact in the real world.

We want you to join our search for greatness at the edge of what is technologically possible. Are you tired of the ordinary? Crave a challenge that sparks passion and purpose?

We’d love to have you apply!

The role you’re applying for

As we aim to simplify the web3 experience, enhance user engagement through personalized recommendations, and take our users along in this journey of web3 awareness, we are leveraging cutting-edge AI technology to build a scalable web3 solution that abstracts away all the underlying complexity. With the expansion of our AI capabilities, we’re looking to onboard a Machine Learning Engineer with a keen interest in web3 and experience in data engineering, and natural language processing to join our team.

This individual will play a key role in building our recommendation systems and AI-assistant, while also helping establish robust data pipelines for on-chain and off-chain data collection.

What you’ll be doing

As a Machine Learning Engineer, you will:

• Design and develop scalable data pipelines for collecting, processing, and analyzing on-chain and off-chain data from multiple sources.
• Build recommendation engines that offer personalized suggestions for cryptocurrencies, NFTs, and other web3 services to increase user experience and engagement.
• Cross-collaborate with product managers, engineers and developers to integrate AI/ML models into the company’s smart wallet platform.
• Bring experience building AI smart assistants that help users understand complex web3 concepts, answer their questions, and provide seamless onboarding experience.
• Conduct extensive research on blockchain and web3-related data sources, including transaction data, user behavior, and sentiment analysis.
• Optimize and fine-tune models to improve performance and scalability.
• Monitor model performance and continuously iterate to improve the AI-powered recommendations.
• Stay up to date with the latest AI/ML developments and web3 technologies.

What we’re looking for

• 5-7 years of experience in developing and maintaining data pipelines
• Knowledge of databases and cloud-based storage solutions
• Familiar with integrating data from web APIs, such as exchanges, blockchain analytics platforms, and social media.
• Proficiency in Python and popular ML frameworks such as TensorFlow, PyTorch, or Scikit-learn.
• Understanding of Machine Learning algorithms, with familiarity building chatbots, question-answering systems, or similar conversational AI applications
• Experience with natural language processing (NLP)

Nice to have

• Understanding of the web3 ecosystem with experience/ interest in blockchain technologies.

Highlight

• Strong problem-solving skills, critical thinking, curiosity to learn and work in a fast-paced environment to explore new opportunities in the AI and web3 space.

Layer N is looking to hire a Distributed Systems PhD Internship to join their team. This is an internship position that can be done remotely anywhere in the United States or on-site in New York NY, or San Francisco CA.

Layer N - A hyperperformant rollup network designed to scale financial applications on Ethereum.

Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.

Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.

At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.

We are looking for a Software Engineer (Platform) to join our team and help build and support high-load systems. Your main responsibility will be to create scalable and fault-tolerant solutions that ensure the platform's stability under heavy loads.

Responsibilities:

• Develop and maintain high-load platform solutions.
• Ensure the scalability and fault tolerance of services.
• Optimize system performance to handle large amounts of data and users.
• Collaborate with cross-functional teams to deliver the best platform engineering solutions.
• Integrate with monitoring and alerting systems for timely detection and resolution of issues.
• Participate in the design and implementation of new features.

Requirements:

• 5+ years of experience as a Software Engineer.
• Understanding of distributed systems principles.
• Proficiency in one or more programming languages (Go, Java, C++) and desire to write on Python or Kotlin.
• Solid understanding of databases (SQL, NoSQL), query optimization, and handling large datasets.
• Experience with monitoring, logging and distributed tracing tools.

Nice to Have:

• Experience with microservices architecture.
• Experience with containerization and orchestration tools (Kubernetes, Docker).
• Familiarity with DevOps practices and experience implementing them.

Why it is a fantastic opportunity:

• Our business is growing at an exponential scale.
• Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
• Be based remotely.
• Participation in the performance review and bonus programme.
• Compensation for medical expenses.
• Provision of necessary equipment.
• Annual vacation of 20 working days plus 10 paid days off.
• 14 days of paid sick leave to support your health and recovery when needed.
• Access to internal English courses for continuous learning and improvement in language skills.

Apply Now:

Figment is looking to hire a Lead Data Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Figment - The leading provider of staking infrastructure.

About Us Zora is a new kind of onchain social network to express yourself freely, connect with others, and discover the value of your imagination. We believe that by using crypto, we can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. We’re working tirelessly to make Zora available to as many people as possible with a simple, fun, and rewarding consumer app. Our mission is to make creating on the internet free and valuable. Who we’re looking for ZORA is looking for software engineers to work closely with the protocol team to index all necessary blockchain events to support product features. What you’ll do

Design and implement scalable, secure, and highly available indexer solution Develop and maintain documentation for indexing service Collaborate with cross-functional teams to identify product priorities and implement indexing solutions with high standard quality. Lead troubleshooting efforts to identify and resolve indexing related issues in a timely manner Monitor software performance and capacity, and implement proactive measures to ensure high availability Being on top of what’s going on with the web3 community

Skills we’re looking for

Experience with Python, preferably Rust Being crypto native, hold solid understanding of blockchain knowledges, including RPC service, Geth, L2, smart wallet, embedded wallet, etc Good understanding of traditional backend tools such as Postgres, MongoDB, Redis, Kafka Excellent communication and collaboration skills Motivation to actively learn and explore new technologies Experience working in an Agile development environment

We’d love you to have

3+ years of experience in software engineering, with a focus on designing, implementing, and maintaining large-scale software product solutions Experience of building software product on top of an existing product Intrinsic motivation to take the ownership of the product you build Enjoy building software product and coding

If you are an experienced software engineer with a passion for designing and implementing scalable and reliable product solutions, we encourage you to apply for this exciting opportunity. Benefits Zora provides top quality medical, dental, and vision insurance, with a flexible time-off policy, equity, and additional company perks (including stipends for: L&D, internet/phone bill, Ease of Life, and more!). Values

Move fast Endlessly curious A love for the big little details A willingness to experiment and be bold Do your best work

Location While Zora’s headquarters are the internet, we have an office located in New York City and have employees all over the world.

Apply Now:

About CoW Protocol

CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.

CoW Protocol is the second-largest DEX aggregator by monthly volume and the first-largest intents-based exchange. MEV Blocker is currently involved in ~4% of all Ethereum transactions, making it the category leader. CoW AMM is the only live AMM that protects LPs from LVR (loss-versus rebalancing).

As a member of CoW DAO’s core team, you will have the opportunity to shape these essential products, and contribute to the Ethereum ecosystem more broadly.

About the role

• Location: We are a fully remote team, and although we hire globally, there is a preference for this role to be based in Europe or remote +/- 5 hours CEST time
• Position: Full-time contractor

At CoW Protocol, we have many opportunities to work with data each and every day.

We are looking for a Data Engineer to support us in extracting relevant data from the Ethereum blockchain. In this role, your primary responsibilities will be creating and maintaining data pipelines, building out our data infrastructure, and supporting other teams in their data needs The ideal candidate is passionate about working with the data and creating impact from the ground up in a fast-paced environment

What you’ll do

• Partner with different stakeholders within the company to understand and address their data needs
• Create, maintain, and optimize data pipelines and queries and facilitate easy consumption of data results. This includes designing and implementing scalable data storage and processing solutions, setting up monitoring and alerting systems to detect issues early, and ensuring data quality and integrity
• Build the infrastructure required for performant extraction, transformation, and loading of data from a wide variety of data sources
• End-to-end ownership of all engineering aspects of the solution. Deploy inclusive data quality checks, tests, and code review processes to ensure the high quality and correctness of data
• Ensure that the company’s data handling processes are secure and compliant with relevant regulations. This includes implementing appropriate access controls, encryption, and other security measures to protect sensitive data
• Connect with the Ethereum community, follow trends, and stay up to date about new analytical tools that help extract relevant data from the blockchain

Who you are

• Strong technical background with a degree in Computer Science, Mathematics and/or Engineering
• Experience in designing, implementing, deploying, and maintaining efficient data architectures
• Proficiency in Python and/or other modern programming language development experience
• Proficiency in querying databases and data modeling, in particular SQL and relational databases experience
• Experience in working with blockchain data from 3rd party providers (including blockchain APIs): Dune Analytics, Etherescan, Coingeko, etc
• Knowledge of cloud computing platforms like Amazon Web Services (AWS), Google Cloud Platform (GCP)
• You are obsessed with numbers and a strong believer in data-driven decision-making, able to analyze and interpret complex data sets and draw meaningful insights from them
• Self-motivated and proactive team player, approach problems creatively and find effective solutions, able to multi-task and also work independently
• Passionate for engineering best practices such as code reviews, testing, continuous integration, and delivery
• Passionate about crypto and blockchain technology, a strong believer in its potential to transform industry

What we can offer you

• Flexible work environment: Join our hub in Lisbon or work remotely
• Token plan: Have a stake in our mission and shape the future of CoW DAO
• Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
• Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
• Learning budget: Use our learning budget to support your higher ambitions
• Hardware budget: Take advantage of a hardware budget to acquire the necessary equipment
• Make an impact: You are joining a startup where you can make a huge difference. Your work matters! -Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life!
• Flexible work and vacation times: Prioritize work-life balance through our robust, flexible work policy and vacation allowance
• Growth: If you’re someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth

Culture

Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!

At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability

About CoW Protocol

CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.

CoW Protocol is the second-largest DEX aggregator by monthly volume and the first-largest intents-based exchange. MEV Blocker is currently involved in ~4% of all Ethereum transactions, making it the category leader. CoW AMM is the only live AMM that protects LPs from LVR (loss-versus rebalancing).

As a member of CoW DAO’s core team, you will have the opportunity to shape these essential products, and contribute to the Ethereum ecosystem more broadly.

About the role

• Location: We are a fully remote team, and although we hire globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST time
• Position: Full-time contractor

We are looking for an enthusiastic, self-motivated, senior backend engineer to help us build the next generation of decentralised trading protocols. As a dedicated backend engineer, you will gain ownership of our existing backend services and influence the creation, design, and execution of future features and products. You will work on technically challenging aspects of our off-chain services and our developer-facing APIs and help ensure the delivery of reliable and performant features to improve CoW Protocol.

What you will do

• Architect and design our off-chain services (core auction protocol as well as the orderbook) to support feature growth and the rapidly changing requirements that come from being an application on a constantly evolving blockchain.
• While your focus will be writing concurrent backend systems in Rust, you will also interact with our Smart Contracts written in Solidity and develop your understanding of auction mechanisms and DeFi protocols
• Work closely with researchers and the product team to ship features and come up with new solutions for challenging technical problems
• Deliver high-quality code for features from concept until production (including state-of-the-art monitoring of our production systems)
• Help our engineering team maintain and improve the reliability of the existing features and join in the on-call rotation
• Give thoughtful and in-depth code reviews of your colleagues’ contributions to our open-source codebase

Our Tech Stack

• Backend Code: Rust, Tokio, Cargo, Git https://github.com/cowprotocol/services
• Infrastructure: Pulumi, AWS, Docker, Kubernetes, Grafana, Prometheus, Elasticsearch
• Other codebases: Typescript, Python, Solidity

Who you are

• You have at least 1 year + of productional experience with Rust (experience with C++ is a great bonus)
• You have excellent computer science, programming, and algorithmic skills
• Experience in web3 (ideally DeFi and Ethereum blockchain)
• Experience with operating, maintaining, and architecting complex software systems
• You care deeply about the quality, readability, observability, and testability of your code
• You proactively give technical direction to improve performance, prevent issues, optimise data usage, and refactor the codebase
• You are a team player, strong communicator, and gladly share your expertise with others
• You collaborate effectively with a remote-first team on a large, open-source codebase
• Ideally, someone senior who can mentor colleagues and provide direction.
• You are excited to explore and gain experience with Ethereum

What we can offer you

• Flexible work environment: Join our hub in Lisbon or work remotely
• Token plan: Have a stake in our mission and shape the future of CoW DAO
• Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
• Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
• Learning budget: Use our learning budget to support your higher ambitions
• Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment
• Make an impact: You are joining a startup where you can make a huge difference. Your work matters! -Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life!
• Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance
• Growth: If you’re someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth

Culture

Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!

At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.

Apply Now:

Apply Now:

Apply Now:

🚀 Whatnot

Whatnot is a livestream shopping platform and marketplace backed by Andreessen Horowitz, Y Combinator, and CapitalG. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote-first team, we operate out of hubs within the US, Canada, UK, Ireland, and Germany today.

We’re innovating in the fast-paced world of live auctions in categories including sports, fashion, video games, and streetwear. The platform couples rigorous seller vetting with a focus on community to create a welcoming space for buyers and sellers to share their passions with others.

And, we’re growing. Whatnot has been the fastest growing marketplace in the US over the past two years and we’re hiring forward-thinking problem solvers across all functional areas.

💻 Role

We are looking for intellectually curious, highly motivated individuals to become foundational members of our Core Machine Learning team. You will help drive the development of Whatnot’s machine learning operations and work with machine learning engineers across the company to build scalable design patterns that can be repeatedly used to achieve key business goals. Our ideal candidate has experience in spinning up ML platforms e.g. real-time model serving, approximate nearest neighbor retrieval, high-concurrency and low-latency scaling, feature stores, and model lifecycle monitoring. They are also willing and able to flex into an applied research role to develop models that leverage their own components.

What you'll do:

• Drive the development of the machine learning platform roadmap, staying abreast of emerging business needs that the machine learning platform can help address.
• Enhance our machine learning infrastructure--increase reliability, reduce latency, and continually improve the developer experience.
• Develop scalable machine learning design patterns that make it easy for machine learning scientists and engineers to safely deploy models to production.
• Improve model training, management, and monitoring
• Take a leading role in deploying ML models on business critical surfaces & flows.
• Define and advance our technical approach to scalable machine learning.
• Flex outside your comfort zone to help take on new challenges that emerge

👋 You

Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here.

As our next Software Engineer, Machine Learning you should have 5+ years of experience, plus:

• Bachelor’s degree in Computer Science, Statistics, Mathematics, Software Engineering, a related technical field, or equivalent work experience.
• 2+ years of professional experience setting up machine learning platforms–model serving, features stores, model registries, training pipelines, etc.
• 1+ years of professional experience developing software in Python
• Software engineering experience with a track record of applying practical methods to solve real-world problems on consumer scale data.
• Ability to work autonomously and drive initiatives across multiple product areas and communicate findings with leadership and product teams.
• Experience with operational, search, and key-value databases such as PostgreSQL, DynamoDB, Elasticsearch, Redis.
• Firm grasp of visualization tools for monitoring and logging e.g. DataDog, Grafana
• Familiarity with cloud computing platforms and managed services such as AWS Sagemaker, Lambda, Kinesis, S3, EC2, EKS/ECS, Apache Kafka, Flink, Spark.
• Professionalism around collaborating in a remote working environment and well tested, reproducible work.
• Exceptional documentation and communication skills.
• Experience in applied statistical and machine learning fields e.g. Recommendations, Search, Fraud & Anomaly Detection, Experimentation and Causal Analysis preferred.

💰Compensation

For US-based applicants: $205,000 - $275,000/year + benefits + stock options

The salary range may be inclusive of several levels that would be applicable to the position. Final salary will be based on a number of factors including, level, relevant prior experience, skills and expertise. This range is only inclusive of base salary, not benefits (more details below) or equity in the form of stock options.

🎁 Benefits

• Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
• Health Insurance options including Medical, Dental, Vision
• Work From Home Support
  • $1,000 home office setup allowance
  • $150 monthly allowance for cell phone and internet

• Care benefits
  • $450 monthly allowance on food
  • $500 monthly allowance for wellness
  • $5,000 annual allowance towards Childcare
  • $20,000 lifetime benefit for family planning, such as adoption or fertility expenses
• Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
• Parental Leave
  • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

💛 EOE

Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

Apply Now:

🚀 Whatnot

Whatnot is a livestream shopping platform and marketplace backed by Andreessen Horowitz, Y Combinator, and CapitalG. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote-first team, we operate out of hubs within the US, Canada, UK, Ireland, and Germany today.

We’re innovating in the fast-paced world of live auctions in categories including sports, fashion, video games, and streetwear. The platform couples rigorous seller vetting with a focus on community to create a welcoming space for buyers and sellers to share their passions with others.

And, we’re growing. Whatnot has been the fastest growing marketplace in the US over the past two years and we’re hiring forward-thinking problem solvers across all functional areas.

💻 Role

👋 You

• 4+ years of software engineering experience.
• Bachelor’s degree in Computer Science, a related field, or equivalent work experience.
• Knowledge of at least 3 languages (we primarily use Python, Elixir, JavaScript, and are open to others).
• Excellent product instincts. You first think about users rather than the best technical solution.
• You are known for shipping products and features lightning-fast.
• You’re an excellent problem solver and don’t need to be told exactly what to do.
• Comfortable working across the stack (backend and frontend).
• Ability to pick up on new technologies very quickly.
• Proven track record of delivering features.
• Product Management experience.
• AWS/DevOps.
• Startup experience at a high-growth company.

🎁 Benefits

• Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
• Health Insurance options including Medical, Dental, Vision
• Work From Home Support
  • $1,000 home office setup allowance
  • $150 monthly allowance for cell phone and internet
• Care benefits
  • $450 monthly allowance on food
  • $500 monthly allowance for wellness
  • $5,000 annual allowance towards Childcare
  • $20,000 lifetime benefit for family planning, such as adoption or fertility expenses
• Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
• Parental Leave
  • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

💛 EOE

Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

Apply Now:

🚀 Whatnot

Whatnot is a livestream shopping platform and marketplace backed by Andreessen Horowitz, Y Combinator, and CapitalG. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote-first team, we operate out of hubs within the US, Canada, UK, Ireland, and Germany today.

We’re innovating in the fast-paced world of live auctions in categories including sports, fashion, video games, and streetwear. The platform couples rigorous seller vetting with a focus on community to create a welcoming space for buyers and sellers to share their passions with others.

And, we’re growing. Whatnot has been the fastest growing marketplace in the US over the past two years and we’re hiring forward-thinking problem solvers across all functional areas.

💻 Role

• Define and develop world-class customer experiences and features that will drive top-line customer satisfaction metrics for the company.
• Collaborate cross-functionally with other product engineering teams across multiple software projects, apps, data systems and more.
• Strengthen the overall customer journey as one of the founding engineers, shaping new and existing support and CX flows (e.g. chatbots, automated refund requests).

👋 You

Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here.

As our next Software Engineer on the Customer Experience team, you should have 6+ years of generalist software development experience in high-growth startups, plus:

• Bachelor’s degree in Computer Science, a related field, or equivalent work experience.
• Rapidly write and ship high-quality code, and are excited to pick up new technologies and languages in areas of the stack you’re unfamiliar with.
  • We primarily use Python, Elixir, React, JavaScript, Swift (iOS), and Kotlin (Android), although these aren’t prerequisites.

• Exceptional product instincts enable you to first think about users, rather than the best technical solution.
• An interest or experience in Machine Learning solution development.

💰Compensation

For US-based applicants:$178,000/year to $235,000/year + benefits + stock options

The salary range may be inclusive of several levels that would be applicable to the position. Final salary will be based on a number of factors including, level, relevant prior experience, skills and expertise. This range is only inclusive of base salary, not benefits (more details below) or equity in the form of stock options.

🎁 Benefits

• Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
• Health Insurance options including Medical, Dental, Vision
• Work From Home Support
  • $1,000 home office setup allowance
  • $150 monthly allowance for cell phone and internet
• Care benefits
  • $450 monthly allowance on food
  • $500 monthly allowance for wellness
  • $5,000 annual allowance towards Childcare
  • $20,000 lifetime benefit for family planning, such as adoption or fertility expenses
• Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
• Parental Leave
  • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

💛 EOE

Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

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• Collaborate with quantitative researchers to understand their workflow, challenges, and requirements, and provide technical solutions to improve their research productivity
• Design, develop, and maintain software tools, platforms, and frameworks that enhance the efficiency and effectiveness of research activities, including data gathering, preprocessing, analysis, and model development
• Identify and implement advanced data processing techniques, algorithms, and statistical methods to optimize research workflows and enhance data analysis capabilities
• Leverage your expertise in software engineering, data engineering, and machine learning to build scalable and robust systems that facilitate large-scale data analysis and experimentation
• Conduct code reviews, provide technical guidance, and mentor junior research engineers to ensure code quality, maintainability, and adherence to best practices
• Collaborate with cross-functional teams, including quantitative researchers, data scientists, and engineering professionals, to integrate research tools and systems into the existing infrastructure
• Assist in the evaluation and implementation of third-party tools, libraries, and data sources that can enhance the research process
• Participate in research discussions, contribute ideas, and provide technical expertise to improve research methodologies and strategies
• Contribute to the development and maintenance of documentation, user guides, and training materials related to research tools and processes

• 4+ years experience working in close partnership with quantitative researchers to develop, deploy and maintain quantitatively-driven alpha strategies.Previous experience at a quantitative hedge fund is strongly preferred.
• Master's or Ph.D. in Computer Science, Engineering, Data Science, or a related field
• Strong Python programming skills, with a focus on building scalable and efficient systems
• Proficiency in data processing, analysis, and visualization tools, libraries, and frameworks
• Solid understanding of statistical modeling, machine learning techniques, and their practical applications in quantitative research
• Experience with AWS
• Excellent problem-solving skills and the ability to design practical solutions to complex research challenges
• Strong communication and collaboration skills to effectively work with cross-functional teams and translate research requirements into technical solutions
• Experience in recruiting, mentoring, and guiding junior team members is preferred

Are you keen to work in a well-resourced startup environment, where your ideas, experience, and drive to find creative solutions makes a difference? We’d like to hear from you.

The salary for this role is anticipated to be between $150,000 and $250,000. This anticipated salary range is based on information as of the time this post was created. This role may also be eligible for additional forms of compensation and benefits, such as a discretionary bonus, health, dental and other benefits plans. Actual compensation will be carefully determined based on a number of candidate factors, including their skills, qualifications and experience.

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We are seeking a skilled and experienced Data Engineer. This is a high impact role with the ability to contribute meaningfully to the development and management of our data engineering platform. This position requires strong technical capabilities and a proven ability to collaborate effectively with quantitative researchers, facilitating seamless cooperation to process, analyze, and manage a large and diverse corpus of datasets that enable our quantitative investment process.

Key Responsibilities:

• Work closely with quantitative researchers to understand their data requirements, provide technical solutions, and integrate data engineering processes effectively with quantitative strategies
• Design, develop, and optimize robust data pipelines, enabling ETL processes that support quantitative research, analysis, alpha forecasting, and execution
• Implement rigorous data quality assurance measures to ensure the accuracy, reliability, and consistency of data inputs and outputs
• Evaluate, select, and manage the appropriate data engineering tools, technologies, and infrastructure, with a focus on scalability and automation
• Collaborate with compliance and risk management teams to ensure data privacy, security, and regulatory compliance standards are adhered to
• Effectively communicate complex technical concepts to non-technical stakeholders, enabling them to understand the value and impact of specific data engineering initiatives

Skillset and Qualifications:

• 3+ years experience in data engineering. Previous experience at a quantitative hedge fund is highly desirable.
• Master's or Ph.D. in Computer Science, Engineering, Data Science, or a related field
• Proficiency in programming languages such as Python and C++, along with experience in big data technologies. Strong knowledge of SQL and relational databases.
• Demonstrated expertise in designing and optimizing data pipelines, data modeling, ETL processes, data warehousing, and data governance
• Proven ability to collaborate effectively with quantitative researchers and other stakeholders, translating their requirements into technical solutions
• Strong analytical and problem-solving skills, capable of analyzing complex datasets, identifying patterns, and extracting meaningful insights
• Thrive in a fast-paced and dynamic environment, adaptable to changing priorities and emerging technologies
• Strong verbal and written communication skills
• Ability to travel periodically between our offices in London and NYC

Are you keen to work in a well-resourced startup environment, where your ideas, experience, and drive to find creative solutions makes a difference? We’d like to hear from you.

Apply Now: