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=nil; Foundation has been at the forefront of Ethereum scalability solutions since 2018. With a mission to overcome the Ethereum scalability challenge, our team is dedicated to launching our own L2 solution — =nil; zkSharding, a zkRollup that securely scales Ethereum empowering web3 developers to build scalable, secure, and composable applications.
Our architecture supports parallel transaction processing across multiple execution shards, each validated by zero-knowledge proofs (ZKPs) and EVM opcode compatibility. Interoperability among these shards is seamlessly maintained through a native cross-shard communication protocol, enabling efficient and secure interactions within the network.
We are looking for someone to join our Integration Team. The team key responsibilities are:Apply Now:
Company Description
At NFTeria Inc., we empower individuals to own the future by merging innovation, security, and decentralization into seamless solutions. Our goal is to push boundaries in Web3, AI-driven authentication, and blockchain technology, helping users stay ahead in a fast-moving world. We are redefining digital ownership by building a future where trustless authentication, self-sovereign identity, and frictionless interactions are the standard.
The Opportunity
The time is right for this. Everything is Web3—no off-chain gaps, no compromises, just pure decentralization.
We’re assembling a highly specialized team for a unique and groundbreaking project. This is an opportunity to work at the intersection of blockchain, AI, and Web3 infrastructure, where AI agents communicate with ML models, feeding predictions into automated decision-making processes that integrate seamlessly across decentralized systems.
Since there are many open positions, this post is the first step in identifying who’s who. As we refine our hiring process, we’ll focus on filling the most critical roles with top-tier talent. If you’re interested, reach out and be part of something truly special.
Open Positions
Smart Contract Specialists (9 Total)
• 3 Vyper (Ethereum-based, web3.py, MetaMask, Rabby Wallet)
• 3 Rust (Solana, Anchor framework, Phantom, Solflare Wallets)
• 3 Clarity (Stacks blockchain, Stacks.js, Hiro Wallet)
Web3 Full-Stack Developers (2 Total)
• Python, Vyper, Moccasin, Boa, Anaconda (SNAKE ENVs)
AI Agent Engineers (4 Total)
• 2 Python-based AI Agents (LangChain)
• 2 TypeScript-based AI Agents (ElizaOS)
Machine Learning Developers (2 Total)
• Time Series Forecasting, TensorFlow, Scikit-Learn, Keras, Python
Frontend Developers (2 Total)
• Vanilla CSS, HTML, TypeScript, modular code
Stack-Specific Tooling
• Clarity (Stacks blockchain) → Uses Stacks.js for frontend interactions + Hiro Wallet
• Ethereum-based (Vyper) → Uses web3.py + MetaMask, Snaps
• Solana (Rust) → Uses Anchor framework + Phantom, Solflare Wallets
• Bitcoin L2s → Uses Stacks.js or other Bitcoin-native tooling + Xverse, Leather Wallet
Role Description
This is a full-time remote role for Blockchain Developers at NFTeria Inc. Responsibilities include:
• Developing and securing blockchain solutions across multiple chains.
• Integrating AI-driven authentication via computer vision & decentralized identity models.
• Building seamless, trustless interactions between AI agents, ML models, and smart contracts.
• Working with cryptography, back-end web development, and scalable decentralized architecture.
Qualifications
• Expertise in Blockchain & Smart Contract Development (Solidity, Vyper, Rust, Clarity).
• Cryptography & Decentralized Identity (DID) solutions experience.
• Proficiency in AI-driven authentication (computer vision, ML-based fraud detection).
• Deep experience in Web3 tooling, wallets, and frameworks.
• Strong problem-solving & analytical skills in a high-speed, innovation-driven environment.
Why Join?
Apply Now:
Job Summary:
Join our team to architect and integrate blockchain solutions, focusing on wallet integrations and secure smart contract interactions. Leverage your expertise in Web3 libraries to develop cutting-edge DApps and ensure seamless, secure user transactions.Key Responsibilities:
Requirements:
Preferred Qualifications (Senior Level):
Ready to innovate in the Web3 ecosystem?
Hybrid Work Structure: Enjoy the flexibility of a hybrid work environment—split your time between working from home and in the office.
Independence & Ownership: Take ownership of your work with the freedom to make decisions that directly impact the success of the project.
Open to Ideas: Your voice matters. We encourage creative input and are always open to listening to your ideas and solutions.
Structured & Responsible: We need people who are independent but also responsible and organized to ensure things run smoothly and on schedule.
Apply Now:
Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever- evolving cryptocurrency landscape.Senior Software Engineer, Blockchain Full-time | Engineering San Mateo, CA Who are we? FalconX is one of the fastest-growing startups in FinTech. We are redefining prime brokerage from the ground up. We are backed by some of the best investors in the world including American Express, Fidelity, Coinbase, Lightspeed Venture Partners, Accel Partners, Fenbushi Capital, BCapital, Tiger Global + more. We deliver institutional digital asset traders best-in-class trading, credit, custody and structured products. We trade, lend and secure tens of billions of dollars monthly, are highly profitable, and growing fast, so we need your help! We are data-driven. Whether it's a growth or product decision, we believe data can always help us make more precise and informed choices. We move fast. Speed of execution is essential for any startup, but we believe this is even more pertinent in our 24/7 industry. We prioritize learning. Outcomes are mission-critical, but we also believe that learning in success and in failure will drive our continued success. Our industry is emergent - there’s no shortage of experiments to get involved with and to continue growing and learning together. Who is on the team? We are entrepreneurs. Many in our company have been founders or have aspirations to eventually start their own company. We take these ambitions and experiences to bring a solutions-oriented mindset to the problems we encounter day-to-day. We are experienced. We have been fortunate to have learned from mentors and peers at institutions such as Google, LinkedIn, JUMP Trading, Citadel, PEAK6 Investments, Goldman Sachs, Harvard Business School, Carnegie Mellon, IIT + more. Impact At FalconX, you’ll help create a more open financial system. In building trading, credit and custody infrastructure, we are enabling thousands more institutions to enter the market and support a more open and accessible financial system. The world’s largest financial institutions from Wall Street to Silicon Valley will turn to you for products that provide unparalleled seamless, efficient and secure access to the cryptocurrency sector. FalconX is hiring a Software Engineer focused on Blockchain to help introduce a new, in-demand product line for the company that integrates seamlessly with our proprietary, best-in-class Prime Brokerage platform. You will be instrumental in the implementation of critical blockchain infrastructure supporting all major chains and protocols. This implementation must be designed for ease of integration into the broader technology stack and demonstrate ease-of-use, operational efficiency, security, and stability. We are looking for an experienced Software Engineer with a strong understanding of blockchain, cryptocurrencies, wallets, and platforms to build upon our vision of an open financial system. Responsibilities:
Drive architectural design and implementation of the Web3 stack, across all major chains and protocols Scale and operate robust services to enable customers to interact with various Blockchains including Bitcoin, Ethereum, and others Drive innovation by safely adopting and testing new technologies and products in the blockchain space Strive for generalization across blockchains instead of specialization Integrate Blockchain data and primitives into the rest of the Platform stack through repeatable and generalizable interfaces Take ownership of technical aspects and ensure technology is designed and built around our customers’ needs Collaborate closely with Engineering and Product leadership to plan, estimate, prioritize, and productize new products and features Build and deliver against an aggressive product roadmap supporting strategic business initiatives Rapidly iterate to add support for emerging blockchain features and functionality while ensuring high availability and scalability Provide ongoing maintenance of the technology stack as it matures, ensuring production-quality reliability, impeccable performance, and ease of use Ability to understand, triage, and address customer-facing and internal-facing technical issues quickly and effectively Provide subject matter expertise on the Blockchain ecosystem and our own in-house blockchain integrations
Preferred Qualifications:
Proven technical leader in Blockchain technologies with significant experience working with various Blockchain protocols and structures You have experience shipping and maintaining multiple projects with a large user base, supporting each through multiple years of iteration and growth You have expertise writing production code in Java, TypeScript, Go, Rust, Python, or equivalent You have a strong understanding different consensus protocols Strong working knowledge of modern software development methodologies and software design patterns Experience building robust backend services and leveraging orchestration systems such as Kubernetes to deploy them at scale A self-starter eager to explore, iterate, and contribute to decision-making Experience working with existing Blockchain-as-a-service stacks is a plus Familiarity with cryptographic signing algorithms, asymmetric cryptography, and key management is a plus
Base pay for this role is expected to be between $179,000 - $242,000 USD for New York City and San Francisco Bay Area. This expected base pay range is based on information at the time this post was generated. This role will also be eligible for other forms of compensation such as a performance linked bonus, equity, and a competitive benefits package. Actual compensation for a successful candidate will be determined based on a number of factors such as location, skillset, experience, and qualifications.Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here. Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.
Apply Now:
🚀 Whatnot Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote co-located team, we operate out of hubs within the US, UK, Ireland, Poland, and Germany today. We’re innovating in the fast-paced world of live auctions from fashion, beauty, electronics to collectibles like trading cards, comic books, and even live plants. Whatnot has something for everyone. And, we’re growing. Whatnot has been one of the fastest growing marketplaces and we’re hiring forward-thinking problem solvers across all functional areas. Team members in this role are required to be within commuting distance of our San Francisco, Los Angeles, Seattle, and New York hubs. 💻 Role We are looking for intellectually curious, highly motivated individuals to be foundational members in shaping the Discovery Platform. You will play a critical role in defining the technical direction and designing a world-class scalable Discovery system that is scalable enough to keep pace with our business growth to power feed, browse, search and taxonomy systems while catering to the unique challenges of operating a marketplace for live shopping! Working in a highly cross functional role, you’ll make key decisions about how we integrate retrieval, ranking through machine learning, real-time and stream processing, content understanding, materialization into a highly personalized discovery experience that unlocks product iterations while providing strong reliability. An ideal candidate will have experience building discovery backend and data systems at scale, with a knack for working closely with product engineers to solve immediate problems for our users while making right tradeoffs towards building a platform. We’ll often prototype new ideas quickly, and then need to build them for extreme scale while coordinating closely with other teams - the ideal person for this role is an expert at both of these approaches. Learn more about the Discovery systems at Whatnot from our blog posts on Whatamix, LLMs for Search. What you'll do:
Build the services and infrastructure to enable advanced recommendation systems solutions for real-time, dynamic feeds Build a scalable, stable, low latency discovery experience Partner closely across the machine learning, platform, and product engineering teams to utilize models to solve discovery problems Contribute scalable solutions across various serving stacks at the feed, search, machine learning service, and Discovery application layers. Define and advance our technical approach to scalable recommendation systems.
👋 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 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. Industry experience with a track record of applying practical methods to solve real-world problems on consumer scale data. Ability to work autonomously and lead initiatives across multiple product areas and communicate findings with leadership and product teams. You can mentor others and prioritize building inclusive, supportive teams. Experience in machine learning fields (e.g. Recommendations, Content Understanding and Search). Expert at designing and building scalable and maintainable backend systems. 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, Kafka, Flink/Spark, OpenSearch, ElasticSearch, Lucene, SOLR.
In addition to these role-specific qualifications, all engineering team members are expected to have:
Experience managing cloud technologies (AWS or Google Cloud) and comfort with infrastructure-as-code approaches (e.g. Terraform). Proficiency in at least one server-side programming language (preferably Python), common algorithms and data structures, and software design principles. Self-starter ethic, thriving under a high level of autonomy. Exceptional interpersonal and communication skills.
💰Compensation $215,000/year to $245,000/year + benefits + equity 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. 🎁 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
Home office setup allowance Monthly allowance for cell phone and internet
Care benefits
Monthly allowance on both food and wellness Annual allowance towards Childcare 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 Monthly allowance to dogfood the app 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:
Join Axelar’s Developer Experience team, a team dedicated to enhancing the experience of developers building on Axelar. As a Full Stack Engineer, you’ll play a pivotal role in the redesign of the ITS Portal, ensuring it scales seamlessly for cross-chain integrations. This fully remote role offers the opportunity to collaborate globally in a fast-paced, startup environment.
Interop Labs builds interoperability technology.
Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.
Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.
Axelar is seeking a Developer Relations Specialist to join our Developer Experience team. In this role, you’ll provide technical support to developers building on Axelar, assist in creating technical documentation, and contribute code to our projects. This fully remote position offers a unique opportunity to engage with the global developer community and enhance their experience in the Web3 space.
Interop Labs builds interoperability technology.
Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.
Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.
Vac builds public good protocols for the decentralized web. We do applied research based on which we build protocols, libraries and publications.
We are seeking an experienced Distributed Systems Evaluation Engineer to join the Vac DST team. This role focuses on rigorously assessing the performance and reliability of IFT projects at scale. You’ll be responsible for designing and executing comprehensive evaluation strategies, leveraging both large-scale lab deployments and protocol behavior modeling scripts. Your expertise will be crucial in analyzing these complex distributed systems, automating intricate test scenarios, and providing in-depth insights into system behaviors.
Working closely with cross-functional teams, you’ll troubleshoot complex issues and translate technical data into actionable recommendations. Proficiency in containerization, cloud technologies, and distributed systems principles is essential.
This position offers the opportunity to make a significant impact on the robustness and scalability of IFT projects, contributing to the development of next-generation decentralized technologies.