WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders. WHO YOU ARE:As part of our software engineering team, you will take the lead in building the next-generation infrastructure and platforms for Zinnia, including but not limited to: scalable data storage infrastructure, analytics platform, streams processing and data pipelines, cutting-edge search platform, best-in-class AI/ML infrastructure, Kubernetes compute infrastructure, document storage infrastructure, etc. You will work and learn among the best, putting to use your passion for distributed technologies and algorithms, API design and systems design, and your passion for writing code that performs at massive scale. We also work with industry standard open source infrastructure technologies like Kubernetes, GRPC and GraphQL - come join our infrastructure teams and share the knowledge with a broader community while making a real impact within our company.As a Senior Engineer, you will be a key technical leader and role model within the organization. We are looking for a technical lead who designs and develops technology to serve business and technology objectives, aligns points of view across teams and makes trade offs to help achieve the goals of individual teams as well as Zinnia’s broader goals. You will foster Zinnia’s culture and values around ‘be bold’, ‘team up; & ‘deliver value’. You will work closely with technical leadership and management within and outside our organization to contribute to building best-in-class core systems infrastructure for Zinnia. WHAT YOU’LL DO:-Deliver impact by driving innovation while building and shipping software at scale-Provide architectural guidance and mentorship to up-level the engineering organization-Actively improve the level of craftsmanship at Zinnia by developing best practices and defining best strategies-Design products/services/tools and code that can be used by others while upholding operational impact of all decisions-Functioning as the tech-lead for key initiatives, identify problems and opportunities and lead teams to architect, design, implement and operationalize systems-Partner closely with teams within the org and customers to execute on the vision for long-term success of our core infrastructure teams-Keep a platform first approach while designing products/service  WHAT YOU’LL NEED:Basic Qualifications:- BS/BE in Computer Science or related technical field or equivalent technical experience- 7+ years of industry experience in software design, development, and algorithm related solutions- 5+ years of experience programming in object-oriented languages such as Java- 2+ years of experience as an architect, or technical leadership position- Proficient in Spring Framework.- Hands-on experience developing large-scale, distributed systems, and databases- Hands-on experience of cloud platforms (Preferebally AWS)- Good to have experience on any Orchestartion Platform like Camunda.Preferred Qualifications:- MS or PhD degree in Computer Science or related technical discipline- 10+ years of experience in software design, development, and algorithm related solutions with at least 5 years of experience in a technical leadership position- 7+ years of experience in an object-oriented programming language such as Java- 5+ years of experience with large-scale distributed systems and client-server architectures- Experience in architecting and designing large-scale distributed systems related to data infrastructure, Kubernetes, and platforms.- Hands-on experience of cloud platforms (Preferebally AWS) Suggested Skills:-Distributed Systems-Technical Leadership-Systems Infrastructure WHAT’S IN IT FOR YOU? We’re looking for the best and brightest innovators in the industry to join our team. At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website. We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

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WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders.WHO YOU ARE: As part of our software engineering team, you will take the lead in building the next-generation infrastructure and platforms for Zinnia, including but not limited to: scalable data storage infrastructure, analytics platform, streams processing and data pipelines, cutting-edge search platform, best-in-class AI/ML infrastructure, Kubernetes compute infrastructure, document storage infrastructure, etc. You will work and learn among the best, putting to use your passion for distributed technologies and algorithms, API design and systems design, and your passion for writing code that performs at massive scale. We also work with industry standard open source infrastructure technologies like Kubernetes, GRPC and GraphQL - come join our infrastructure teams and share the knowledge with a broader community while making a real impact within our company.As a Staff Software Engineer, you will be a key technical leader and role model within the organization. We are looking for a technical lead who designs and develops technology to serve business and technology objectives, aligns points of view across teams and makes trade offs to help achieve the goals of individual teams as well as Zinnia’s broader goals. You will foster Zinnia’s culture and values around ‘be bold’, ‘team up; & ‘deliver value’. You will work closely with technical leadership and management within and outside our organization to contribute to building best-in-class core systems infrastructure for Zinnia. WHAT YOU’LL DO:

Deliver impact by driving innovation while building and shipping software at scale Provide architectural guidance and mentorship to up-level the engineering organization Actively improve the level of craftsmanship at Zinnia by developing best practices and defining best strategies Design products/services/tools and code that can be used by others while upholding operational impact of all decisions Functioning as the tech-lead for key initiatives, identify problems and opportunities and lead teams to architect, design, implement and operationalize systems Partner closely with teams within the org and customers to execute on the vision for long-term success of our core infrastructure teams Keep a platform first approach while designing products/service

WHAT YOU’LL NEED:

BS/BE in Computer Science or related technical field or equivalent technical experience 8+ years of industry experience in software design, development, and algorithm related solutions 5+ years of experience programming in object-oriented languages such as C#, Typescript 2+ years of experience as an architect, or technical leadership positions Hands-on experience developing large-scale, distributed systems, and databases Hands-on experience of cloud platforms (Preferably AWS)

Preferred Qualifications:

MS or PhD degree in Computer Science or related technical discipline 10+ years of experience in software design, development, and algorithm related solutions with at least 5 years of experience in a technical leadership position 7+ years of experience in an object-oriented programming language such as C#, Typescript 5+ years of experience with large-scale distributed systems and client-server architectures Experience in architecting and designing large-scale distributed systems related to data infrastructure, Kubernetes, and platforms.

WHAT’S IN IT FOR YOU? We’re looking for the best and brightest innovators in the industry to join our team. At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website. We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

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About the Role

We’re seeking an experienced Frontend Engineer who is passionate about building the future of decentralized finance (DeFi) and Web3. In this role, you will be instrumental in developing innovative solutions that blend public goods funding mechanisms with integrated social and financial functionalities, creating a new paradigm for on-chain social interaction. The ideal candidate will combine technical excellence with strong values alignment and a genuine interest in advancing decentralized technologies.

Core Responsibilities

• Architect and implement scalable, responsive frontend systems using React and TypeScript
• Build high-performance user interfaces that integrate seamlessly with Web3 technologies
• Optimize web performance and ensure cross-browser compatibility
• Collaborate with design and product teams to shape product vision and roadmap
• Contribute to technical decisions and long-term architectural strategies
• Ensure high code quality through testing and documentation

Required Qualifications

• 5+ years of frontend development experience
• Deep expertise in React, TypeScript, and modern JavaScript
• Strong proficiency with Web3 libraries (Wagmi/Viem)
• Experience with GraphQL and modern frontend architectures
• Demonstrated ability to optimize frontend performance
• Strong focus on UI/UX and attention to detail
• Experience with modern development workflows and CI/CD practices

Values & Attributes We’re Looking For

• Deep alignment with Web3 principles and decentralized technology
• Passionate about the future of DeFi and its potential positive impact
• Strong problem-solving abilities with a proactive, ownership-driven mindset
• Comfortable working in a remote-friendly, fast-paced, iterative environment
• Proven ability to balance pragmatic solutions with innovation
• Adaptability and willingness to dive into new challenges and unfamiliar technologies.
• The time overlap for the team is 8 AM - 12 PM EST (2 PM - 6 PM CET)

Nice-to-Have Experience

• Familiarity with the Safe ecosystem and Zodiac
• Previous work on large-scale Web3 projects
• Experience with DeFi protocols or DAOs
• Contributions to open-source projects
• Understanding of blockchain fundamentals
• Backend experience with GraphQL and Node.js

What We Offer

• Opportunity to shape the future of decentralized finance
• Remote-friendly work environment
• Flexible working arrangements
• Competitive compensation package including tokens
• Regular team events and learning opportunities
• Access to cutting-edge tools and technologies

We believe in building technology that empowers users while maintaining the highest standards of security and reliability. If you share our vision for a more decentralized future and have the technical skills to help build it, we’d love to hear from you.

About the Role

We’re seeking an experienced Full-Stack Engineer who is passionate about building the future of decentralized finance (DeFi) and Web3. In this role, you will be instrumental in developing innovative solutions that blend public goods funding mechanisms with integrated social and financial functionalities, creating a new paradigm for on-chain social interaction. The ideal candidate will combine technical excellence with strong values alignment and a genuine interest in advancing decentralized technologies.

Core Responsibilities

• Design, build, and maintain scalable front-end and back-end systems that meet performance and reliability goals.
• Seamlessly integrate blockchain technologies into our applications, focusing on interoperability and user experience.
• Collaborate with a cross-functional distributed team to iterate quickly and deliver value to users
• Build and maintain scalable Web3 integrations, with particular focus on DeFi protocols and infrastructure
• Architect and optimize database solutions that bridge traditional and blockchain data systems
• Contribute to technical decision-making that balances innovation with practical implementation
• Proactively identify bottlenecks, optimize code, and scale systems for high performance in a rapidly evolving environment.
• Help providing technical guidance, driving best practices for clean, maintainable, and efficient code.

Required Qualifications

• 5+ years of full-stack engineering experience
• Strong proficiency in TypeScript, React, Node.js, GraphQL, SQL databases
• Demonstrated experience with blockchain technologies, including EVM-compatible chains, smart contracts, and web3 libraries
• Deep understanding of DeFi protocols and decentralized systems
• Track record of shipping and maintaining production applications
• Experience with modern development workflows and CI/CD practices

Values & Attributes We’re Looking For

• Deep alignment with Web3 principles and decentralized technology
• Passionate about the future of DeFi and its potential positive impact
• Strong problem-solving abilities with a proactive, ownership-driven mindset
• Comfortable working in a remote-friendly, fast-paced, iterative environment
• Proven ability to balance pragmatic solutions with innovation
• Adaptability and willingness to dive into new challenges and unfamiliar technologies.
• The time overlap for the team is 8 AM - 12 PM EST (2 PM - 6 PM CET)

Nice-to-Have Experience

• Experience with the Safe ecosystem and tools like Zodiac.
• Knowledge of Solidity or Vyper, with experience building smart contracts or dApps.
• Previous work with DeFi protocols or DAOs
• Familiarity with blockchain data structures, such as graphs, subsquids, or substreams.
• Prior experience developing applications driven by personal curiosity or frustrations.
• Contributions to open-source Web3 projects

What We Offer

• Opportunity to shape the future of decentralized finance and public goods funding
• Remote-friendly work environment
• Collaborative team culture focused on innovation
• Competitive compensation package
• Continuous learning and development opportunities

We believe in building technology that empowers users while maintaining the highest standards of security and reliability. If you share our vision for a more decentralized future and have the technical skills to help build it, we’d love to hear from you.

Bitcoin Depot is seeking a Full Stack Senior Software Engineer to help grow and maintain our products and business essential software tools by ensuring scalability. An ideal candidate loves to build software and is passionate or interested in learning about Bitcoin. This position is 100% remote. Bitcoin Depot is the largest Bitcoin ATM Network in the world offering users the ability to buy and sell Bitcoin at thousands of BTM and BDCheckout locations. We are proud to be an Atlanta Journal-Constitution Top Work Place for 2021 and 2022, the inc 5000, and placing on the ACG Georgia Fast 40 list for two consecutive years. We currently trade on the NASDAQ under the ticker symbol BTM.  Responsibilities

Design, develop, and implement new software services and features Maintain and improve (refactor/document) the existing product Clearly communicate timelines, estimates, and options to non-technical management Collaborate with other technology teams and work with your fellow developers to reliably execute and consistently deliver on goals Work directly with product managers to transform user needs into technical requirements Implement product requirements with minimal guidance from other engineers and leadership Take ownership of entire systems and large software projects Assist with mentoring junior team members Proactively identify, communicate, and resolve software defects and security vulnerabilities Create concise design documents and diagrams to efficiently communicate solutions

Skills: Backend: - JavaScript/TypeScript- NodeJS- Python- RESTful APIs- Postgres/SQL- MongoDB/NoSQL- Redis- Message Queues- AWS- Docker Frontend: - JavaScript/TypeScript- React/Redux- GraphQL- HTML/CSS- Web Security: XSS, CSRF

Qualifications

7+ years experience creating responsive, resilient software products Demonstrated experience knowing when to make surgical improvements vs large scale change Must ensure what is developed is modular and testable Experience refactoring, improving, and reviewing existing code Experience in building alongside Quality Assurance teams, providing technical documentation, and working in Continuous Delivery Experience working in an Agile/Scrum development environment

Benefits:

401K Matching Health benefits offered with a company contribution towards premiums Paid wellness membership Equity  Paid time off & holidays Annual in-person team building events Virtual team building events Remote first environment

Bitcoin Depot provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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About us

Re7 Capital is a London-based cryptoasset investment firm, utilising our deep crypto network and proprietary data infrastructure to drive investment decisions for a number of DeFi and alpha strategies. We also work with leading projects and blockchains to design their DeFi ecosystem, provide on-chain risk curation and vault management services through Re7 Labs. Re7 has a dynamic team with a strong background in investment management, data science and crypto.

The role

To support the continued expansion of the firm, we are seeking a motivated DeFi Developer to join our team. Reporting directly to the Head of Technology, you will take full ownership of our hedging bot, which ensures delta neutrality by managing deposits into AMM protocols and shorting equivalent long exposures on perpetual exchanges.

Responsibilities

• Assess and enhance the existing hedging infrastructure e.g. by developing a new bot from scratch.
• Maintain the hedging bot by integrating new connectors for interacting with various AMM protocols across EVM and non-EVM networks.
• Identify, debug, and test code issues to ensure stability and efficiency.
• Backtest strategies to analyze performance and adjust rebalancing thresholds based on market volatility.
• Develop and maintain a live reporting system to monitor performance metrics and provide actionable insights.

Requirements

• Proficiency in Python.
• Experience with one of the main smart contract languages eg Solidity or Move.
• Experience with algorithmic trading.
• Strong background in data analysis and backtesting trading strategies.
• Proficiency in SQL databases, GraphQL sources, and handling time-series data.
• Familiarity with TypeScript, Rust.
• In-depth understanding of major DeFi AMMs(e.g., Curve, Uniswap V2/V3, Aerodrome).
• Familiarity with Linux environments and Git version control.

Benefits

• A dynamic and collaborative work environment
• Opportunities for professional growth and development in a rapidly evolving and dynamic industry
• Remote-first set up with opportunities to meet with the team in person
• Competitive package

Application process

• Your resume.
• A cover letter detailing your interest in the role.
• Your response to the following challenge:
  • Create a high-level logic description and workflow chart for a trading bot that hedges impermanent loss on a Uniswap V2 ETH/USDC pool using perpetuals on Binance. Include a backtest of your strategy.

About us

Re7 Capital is a London-based cryptoasset investment firm, utilising our deep crypto network and proprietary data infrastructure to drive investment decisions for a number of DeFi and alpha strategies. We also work with leading projects and blockchains to design their DeFi ecosystem, provide on-chain risk curation and vault management services through Re7 Labs. Re7 has a dynamic team with a strong background in investment management, data science and crypto.

To support the continued expansion of the firm, we are seeking a motivated DeFi Developer to join our team. Reporting directly to the Head of Technology, you will take full ownership of our hedging bot, which ensures delta neutrality by managing deposits into AMM protocols and shorting equivalent long exposures on perpetual exchanges.

Responsibilities

• Assess and enhance the existing hedging infrastructure e.g. by developing a new bot from scratch.
• Maintain the hedging bot by integrating new connectors for interacting with various AMM protocols across EVM and non-EVM networks.
• Identify, debug, and test code issues to ensure stability and efficiency.
• Backtest strategies to analyze performance and adjust rebalancing thresholds based on market volatility.
• Develop and maintain a live reporting system to monitor performance metrics and provide actionable insights.

• Proficiency in Python.
• Experience with one of the main smart contract languages eg Solidity or Move.
• Experience with algorithmic trading.
• Strong background in data analysis and backtesting trading strategies.
• Proficiency in SQL databases, GraphQL sources, and handling time-series data.
• Familiarity with TypeScript, Rust.
• In-depth understanding of major DeFi AMMs(e.g., Curve, Uniswap V2/V3, Aerodrome).
• Familiarity with Linux environments and Git version control.

• A dynamic and collaborative work environment
• Opportunities for professional growth and development in a rapidly evolving and dynamic industry
• Remote-first set up with opportunities to meet with the team in person
• Competitive package

Application process

1. Your resume.
2. A cover letter detailing your interest in the role.
3. Your response to the following challenge:

• Create a high-level logic description and workflow chart for a trading bot that hedges impermanent loss on a Uniswap V2 ETH/USDC pool using perpetuals on Binance. Include a backtest of your strategy.

Apply Now: