Software Engineer, Smart Contracts
Seattle, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
About Eigen Labs
Eigen Labs is a vibrant and forward-thinking team specializing in providing crypto-economic security solutions for proof-of-stake (PoS) blockchain components like rollups, bridges, oracles, and dApps. The team at Eigen Labs is dedicated to developing the EigenLayer protocol, which aims to allow unrestricted innovation on the Ethereum network. With EigenLayer, blockchain services can confidently leverage Ethereum's security framework, empowering developers to create pioneering blockchain components without significant upfront costs. Additionally, Eigen Labs is constructing EigenDA, a data availability service on top of EigenLayer designed to reinforce the operational reliability and security of scaling solutions like rollups.
About the Role
Eigen Labs is currently looking for a highly skilled Senior Smart Contracts Developer who possesses a minimum of two years of experience in Ethereum development utilizing Solidity. The ideal candidate will play a crucial role in designing and implementing secure and efficient smart contract protocols. A solid comprehension of blockchain principles, EVM, developer tools, security protocols, and testing frameworks is essential. The Smart Contracts Developer will collaborate closely with the product and leadership teams to establish on-chain strategies and development roadmaps. This role offers a compelling opportunity to contribute to pioneering permissionless innovation while exerting a significant influence on EigenLayer and the broader Ethereum community.
This is a full-time role that offers the flexibility of remote work or the option to work with the team in Seattle. Candidates considering relocation to Seattle, SF Bay Area, or Vancouver, BC will receive relocation support.
Responsibilities
- Design, deploy, and execute smart contracts compliant with stringent audit criteria
- Create well-structured, secure, and optimized code supported by a robust test suite
- Architect smart contract protocols and systems
- Collaborate with fellow developers, security evaluators, and stakeholders to ensure the security and quality of smart contracts
- Assist leadership, product teams, and auditors in identifying potential vulnerabilities and documenting these findings
- Develop and uphold best practices for protocol upgrades and versioning across various proof-of-stake networks
- Stay informed about the latest releases in Solidity, EVM, developer tools, and security vulnerabilities
- Participate in code reviews and offer constructive feedback to peers
About You
The ideal candidate will have
- A Bachelor's degree in Computer Science, Information Security, or related fields
- 3+ years of industry experience, with a minimum of 2 years in smart contract development using Solidity for Ethereum or EVM-based chains
- Hands-on experience with deploying intricate protocols and executing security audits
- Profound understanding of blockchain fundamentals, prevalent vulnerabilities, and the EVM
- Familiarity with developer tools like Hardhat and Foundry for smart contract developers
- Dedication to collaborating with fellow developers, security evaluators, and stakeholders to ensure smart contract quality and security
- Strong testing abilities and experience with testing frameworks tailored for smart contracts
- Aptitude in designing elegant and user-friendly smart contract interfaces
- Emphasis on clear communication and active listening
- Ability to engage with cross-functional, geographically dispersed teams, partners, and community members
Bonus Points
- Preference for candidates with experience managing high TVL protocols
- Expertise in Web3 security, covering smart-contract audits, formal verification, validator node management, and key management
- Familiarity with cryptography
- Proficiency in full-stack software development or at least one contemporary web development framework like React
- Participation in the developer community and collaboration with engineering teams within the ecosystem, potentially contributing to open-source blockchain projects
You enjoy contributing in a team environment
- Skillful in both asynchronous and synchronous communication styles, adept at giving and receiving feedback, and comfortable working autonomously or collaboratively within a team
- Eager to actively engage in technical discussions, sprint and roadmap planning, and refining team operations
You want to help the crypto ecosystem improve the everyday lives of billions
- Enthusiasm for learning and advancing blockchain technology
- Recognition of the unique culture and community within the crypto sphere and a desire to positively influence and enhance it.
Skills Required
EigenLabs
Website
www.eigenlayer.xyzCompany size
Not specified
Location
United States
Description
Not specified
FlipFlop launchpad
Business Developer
Part time
Remote
Location: Remote - Worldwide excluding Africa and India, where we have teams already,
About FlipFlop Launchpad:
FlipFlop is a community-driven crypto launchpad connecting innovative projects with global investors. We are building a diverse and dynamic team passionate about blockchain growth and ecosystem development. Join us to help onboard new projects, coordinate events, and grow engaged communities worldwide.
Your Role:
As a Part-Time Business Developer, you will source and onboard new crypto projects, arrange Ask Me Anything (AMA) sessions, and drive community growth. You’ll play a key role in expanding FlipFlop’s reach and impact while earning competitive task-based rewards.
What You’ll Do:
- Bring serious projects and teams to launch on our platform
- Coordinate weekly AMAs with relevant crypto projects
- Grow our Telegram or Discord communities with genuine members
- Develop partnerships and onboard influencers for ecosystem growth
Who You Are:
- Passionate about crypto and blockchain technology
- Self-motivated with strong communication skills
- Able to work independently and as part of a remote global team
- Comfortable with a task-based payment system and targets
Experienced in community building or business development is a plus
Payment structure:
Base Compensation: $500 USD monthly (subject to adjustments based on task completion) + 20% of total minting/launch fees collected from each project you bring onboard + additional rewards.
Core Tasks and Deductions:
1. Bringing New Projects to Launch
Task: Source and onboard at least 1 serious project and team per month to launch on our platform.
Penalty: Failure to complete this task will result in a $100 deduction from the $500 base compensation.
2. Arranging Project AMAs (Ask Me Anything Sessions)
Task: Coordinate and host 1 AMA per week with new or relevant crypto projects.
Penalty: Each AMA not completed will deduct $80 from the base compensation.
3. Community Growth
Task: Attract 100 genuine, legitimate new members to the official Telegram or Discord group monthly via a custom invitation link.
Penalty: Failure to reach the goal will deduct $50 from the base compensation.
Extra Rewards (No deductions):
4. Partnership Development
Task: Secure partnerships with crypto communities, marketing agencies, or influencers.
Reward: $100–$200 per signed partnership depending on scope and value.
5. KOL/KOC and Influencer Onboarding
Task: Recruit Key Opinion Leaders (KOLs) or Key Opinion Consumers (KOCs) to support project launches or campaigns.
Reward: $25–$50 per vetted KOL/KOC added.
Why Join Us:
- Flexible remote work with a supportive global team
- Competitive task-based compensation with bonuses and rewards
- Opportunity to be part of an innovative and fast-growing launchpad
About FlipFlop Launchpad:
FlipFlop is a community-driven crypto launchpad connecting innovative projects with global investors. We are building a diverse and dynamic team passionate about blockchain growth and ecosystem development. Join us to help onboard new projects, coordinate events, and grow engaged communities worldwide.
Your Role:
As a Part-Time Business Developer, you will source and onboard new crypto projects, arrange Ask Me Anything (AMA) sessions, and drive community growth. You’ll play a key role in expanding FlipFlop’s reach and impact while earning competitive task-based rewards.
What You’ll Do:
- Bring serious projects and teams to launch on our platform
- Coordinate weekly AMAs with relevant crypto projects
- Grow our Telegram or Discord communities with genuine members
- Develop partnerships and onboard influencers for ecosystem growth
Who You Are:
- Passionate about crypto and blockchain technology
- Self-motivated with strong communication skills
- Able to work independently and as part of a remote global team
- Comfortable with a task-based payment system and targets
Experienced in community building or business development is a plus
Payment structure:
Base Compensation: $500 USD monthly (subject to adjustments based on task completion) + 20% of total minting/launch fees collected from each project you bring onboard + additional rewards.
Core Tasks and Deductions:
1. Bringing New Projects to Launch
Task: Source and onboard at least 1 serious project and team per month to launch on our platform.
Penalty: Failure to complete this task will result in a $100 deduction from the $500 base compensation.
2. Arranging Project AMAs (Ask Me Anything Sessions)
Task: Coordinate and host 1 AMA per week with new or relevant crypto projects.
Penalty: Each AMA not completed will deduct $80 from the base compensation.
3. Community Growth
Task: Attract 100 genuine, legitimate new members to the official Telegram or Discord group monthly via a custom invitation link.
Penalty: Failure to reach the goal will deduct $50 from the base compensation.
Extra Rewards (No deductions):
4. Partnership Development
Task: Secure partnerships with crypto communities, marketing agencies, or influencers.
Reward: $100–$200 per signed partnership depending on scope and value.
5. KOL/KOC and Influencer Onboarding
Task: Recruit Key Opinion Leaders (KOLs) or Key Opinion Consumers (KOCs) to support project launches or campaigns.
Reward: $25–$50 per vetted KOL/KOC added.
Why Join Us:
- Flexible remote work with a supportive global team
- Competitive task-based compensation with bonuses and rewards
- Opportunity to be part of an innovative and fast-growing launchpad
Payment in Crypto
B S
Junior Crypto Spot & Perpetual Market-Making Trader
Ho Chi Minh, Vietnam
Ho Chi Minh, Vietnam
Full time
Remote
We are hiring Junior Market-Making Traders to operate and manage high-frequency liquidity strategies across spot and perpetual crypto markets. This is a prop-style trading seat: fast, technical, highly automated, and performance-driven.You will be trained directly by senior HFT and volatility traders, learning how to run Deltix-based strategies, manage risk in real time, and operate under true prop-desk conditions.
No prior experience is required — we will train the right candidates from the ground up.If you have 1–2 years of experience, great — but this role is not for senior traders.
We want sharp, disciplined operators who want to grow into high-performance liquidity traders.
You will play a key role in maintaining 24/7 liquidity across global markets, working closely with our quant and infra teams to ensure our systems stay ahead of the market.
Key Responsibilities
Market Making & Strategy OperationRun and monitor HFT market-making systems across spot and perpetual markets.
Maintain competitive spreads and reliable liquidity at all times.
Adjust quoting behavior based on volatility and order-flow patterns.
Assist with hedging and inventory management across correlated instruments.
Deltix Trading SystemsOperate strategies in Deltix QuantServer, TimeBase, and StrategyRunner.
Identify issues quickly — stale quotes, latency spikes, disconnections, or risk throttles.
Work with senior traders and engineering to improve strategy logic and routing.
Real-Time Risk Management
Monitor exposure, leverage, and PnL across multiple venues.React quickly to regime shifts, volatility events, and fast markets.Ensure strategies stay within defined limits while maximizing performance.
Market Awareness & Execution SupportTrack liquidity, trends, microstructure shifts, and arbitrage signals.
Flag inefficiencies and opportunities in market behavior.Support coverage during market events, rapid volatility, and system upgrades.
Desk Coverage & Rotation
Participate in a 6-day rotation, including weekends.
Provide clean handovers between regions to ensure 24/7 liquidity.
What We’re Looking For
No experience required — we will train you intensively.
If experienced, max 1–2 years in trading, operations, quant, engineering, or similar.
Strong numerical, analytical, or technical aptitude.
High attention to detail and situational awareness — able to monitor multiple streams of data.
Ability to stay calm and decisive under pressure.
Hunger to learn, improve, and compete in a performance-driven environment.
Willingness to work weekends and operate in a disciplined 6-day schedule.
Nice to Have (Not Required)
Exposure to crypto markets, order books, or exchange mechanics.
Familiarity with Python, C#, C++, or trading systems.
Experience with Deltix, OMS/EMS tools, or market-making environments.
Compensation
We offer true prop-firm style compensation, designed to reward discipline, precision, and growth
Competitive base salary
Aggressive PnL-based bonus with high upside
Opportunity to scale into more markets and larger risk limits as performance grows
Long-term incentives for top performers
This is a seat where sharp, disciplined talent can grow into high-earning, high-responsibility traders.
No prior experience is required — we will train the right candidates from the ground up.If you have 1–2 years of experience, great — but this role is not for senior traders.
We want sharp, disciplined operators who want to grow into high-performance liquidity traders.
You will play a key role in maintaining 24/7 liquidity across global markets, working closely with our quant and infra teams to ensure our systems stay ahead of the market.
Key Responsibilities
Market Making & Strategy OperationRun and monitor HFT market-making systems across spot and perpetual markets.
Maintain competitive spreads and reliable liquidity at all times.
Adjust quoting behavior based on volatility and order-flow patterns.
Assist with hedging and inventory management across correlated instruments.
Deltix Trading SystemsOperate strategies in Deltix QuantServer, TimeBase, and StrategyRunner.
Identify issues quickly — stale quotes, latency spikes, disconnections, or risk throttles.
Work with senior traders and engineering to improve strategy logic and routing.
Real-Time Risk Management
Monitor exposure, leverage, and PnL across multiple venues.React quickly to regime shifts, volatility events, and fast markets.Ensure strategies stay within defined limits while maximizing performance.
Market Awareness & Execution SupportTrack liquidity, trends, microstructure shifts, and arbitrage signals.
Flag inefficiencies and opportunities in market behavior.Support coverage during market events, rapid volatility, and system upgrades.
Desk Coverage & Rotation
Participate in a 6-day rotation, including weekends.
Provide clean handovers between regions to ensure 24/7 liquidity.
What We’re Looking For
No experience required — we will train you intensively.
If experienced, max 1–2 years in trading, operations, quant, engineering, or similar.
Strong numerical, analytical, or technical aptitude.
High attention to detail and situational awareness — able to monitor multiple streams of data.
Ability to stay calm and decisive under pressure.
Hunger to learn, improve, and compete in a performance-driven environment.
Willingness to work weekends and operate in a disciplined 6-day schedule.
Nice to Have (Not Required)
Exposure to crypto markets, order books, or exchange mechanics.
Familiarity with Python, C#, C++, or trading systems.
Experience with Deltix, OMS/EMS tools, or market-making environments.
Compensation
We offer true prop-firm style compensation, designed to reward discipline, precision, and growth
Competitive base salary
Aggressive PnL-based bonus with high upside
Opportunity to scale into more markets and larger risk limits as performance grows
Long-term incentives for top performers
This is a seat where sharp, disciplined talent can grow into high-earning, high-responsibility traders.
Payment in Crypto
White Bridge LTD
Junior Crypto Analyst & Trader (Remote, Training Included)
Bruges, Belgium +9
Bruges, Belgium +9
Part time
Remote
WhiteBridge-Ltd is a young and rapidly developing company working in the field of digital markets and analytics.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
Payment in Crypto
Jiraporn Eksamut
Smart Contract Developer
Part time
Remote
About the Role:
We’re looking for an experienced Smart Contract Developer to join our remote team. You’ll be responsible for designing, developing, and deploying secure and efficient smart contracts for blockchain-based applications. The role involves close collaboration with other developers and product leads to bring new ideas to life.
Key Responsibilities:
- Design, write, and test smart contracts (Solidity)
- Review and optimize existing contracts for gas efficiency and security
- Integrate contracts with front-end or backend services via Web3
- Participate in code reviews, audits, and documentation
- Stay current with blockchain trends and best practices
Requirements:
- Proven experience with Solidity, EVM-based blockchains, and related frameworks (Hardhat, Truffle, Foundry, etc.)
- Good understanding of DeFi protocols, NFT standards (ERC-721/1155), or Layer-2 solutions
- Familiarity with smart contract security and testing methodologies
- Experience using GitLab, Git, and version control workflows
- Ability to work independently and communicate effectively in English
Nice to Have:
- Background in cryptography, auditing, or backend development
- Contributions to open-source blockchain projects
What We Offer:
- Fully remote and flexible working hours (team across EST, CET, GMT+2)
- Flexible payment options — including crypto payments (USDT, USDC) or traditional methods
- Collaborative and friendly international team
- Opportunities to grow into lead or architecture roles
We’re looking for an experienced Smart Contract Developer to join our remote team. You’ll be responsible for designing, developing, and deploying secure and efficient smart contracts for blockchain-based applications. The role involves close collaboration with other developers and product leads to bring new ideas to life.
Key Responsibilities:
- Design, write, and test smart contracts (Solidity)
- Review and optimize existing contracts for gas efficiency and security
- Integrate contracts with front-end or backend services via Web3
- Participate in code reviews, audits, and documentation
- Stay current with blockchain trends and best practices
Requirements:
- Proven experience with Solidity, EVM-based blockchains, and related frameworks (Hardhat, Truffle, Foundry, etc.)
- Good understanding of DeFi protocols, NFT standards (ERC-721/1155), or Layer-2 solutions
- Familiarity with smart contract security and testing methodologies
- Experience using GitLab, Git, and version control workflows
- Ability to work independently and communicate effectively in English
Nice to Have:
- Background in cryptography, auditing, or backend development
- Contributions to open-source blockchain projects
What We Offer:
- Fully remote and flexible working hours (team across EST, CET, GMT+2)
- Flexible payment options — including crypto payments (USDT, USDC) or traditional methods
- Collaborative and friendly international team
- Opportunities to grow into lead or architecture roles
Rebecca Hannold
Senior Software Developer
Remote, USA
Remote, USA
Full time
Remote
BitPay, Inc., founded in 2011, is the world’s leading blockchain (cryptocurrency) payments company. We serve top merchants across six continents, providing a seamless and secure cryptocurrency payments experience. BitPay builds powerful tools to accept, store, and spend cryptocurrency safely and efficiently.
We’re looking for a Senior Backend Software Developer to join our remote US-based team and help craft the next generation of innovative products. If you thrive on solving complex problems, building scalable systems, and staying ahead of technology trends, this role is for you.
What You’ll Do:
Develop scalable and maintainable backend systems using Node.js and MongoDB
Collaborate with cross-functional teams to build features for customers and internal tools
Ensure high code quality through unit, integration, and functional testing, code reviews, and thorough documentation
Address challenges in scalability, reliability, and logging during development
Mentor and guide other developers, fostering growth and knowledge-sharing
Stay up-to-date with emerging technologies to keep our team innovative and competitive
What We’re Looking For:
5+ years of professional backend development experience
Expert in Node.js and MongoDB
Proven experience delivering production-ready APIs
Strong desire for continuous learning and process improvement
Track record of delivering high-quality software in professional environments
Passion for your craft, drive for progress, and commitment to excellence
Portfolio showcasing your work (e.g., GitHub)
Blockchain or fintech development experience
Highly Preferred: blockchain or fintech development experience
Bachelor’s degree in Computer Science or equivalent experience with notable projects
What We Offer:
Collaborate with a team of intelligent, enthusiastic individuals.
Thrive in a rapidly expanding crypto company with global reach, where your contributions make a tangible impact.
Work remote with a generous vacation policy, including the opportunity to take a sabbatical and select your own holidays.
Access to continuous learning and development opportunities, supported by professional development reimbursement.
Competitive salary package with comprehensive benefits, including fully covered medical and dental plans. We also offer telemedicine, life insurance, disability insurance, vision coverage, 401k, travel assistance, and more.
Option to receive payment in cryptocurrency, along with a crypto match program.
Stock option awards available to all employees.
Home office allowance, reimbursement for internet/cell expenses, complimentary Amazon Prime and Spotify subscriptions.
BitPay is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
If interested, please apply here: https://bitpay.applytojob.com/apply/jobs/details/4eZJqEucfX
We’re looking for a Senior Backend Software Developer to join our remote US-based team and help craft the next generation of innovative products. If you thrive on solving complex problems, building scalable systems, and staying ahead of technology trends, this role is for you.
What You’ll Do:
Develop scalable and maintainable backend systems using Node.js and MongoDB
Collaborate with cross-functional teams to build features for customers and internal tools
Ensure high code quality through unit, integration, and functional testing, code reviews, and thorough documentation
Address challenges in scalability, reliability, and logging during development
Mentor and guide other developers, fostering growth and knowledge-sharing
Stay up-to-date with emerging technologies to keep our team innovative and competitive
What We’re Looking For:
5+ years of professional backend development experience
Expert in Node.js and MongoDB
Proven experience delivering production-ready APIs
Strong desire for continuous learning and process improvement
Track record of delivering high-quality software in professional environments
Passion for your craft, drive for progress, and commitment to excellence
Portfolio showcasing your work (e.g., GitHub)
Blockchain or fintech development experience
Highly Preferred: blockchain or fintech development experience
Bachelor’s degree in Computer Science or equivalent experience with notable projects
What We Offer:
Collaborate with a team of intelligent, enthusiastic individuals.
Thrive in a rapidly expanding crypto company with global reach, where your contributions make a tangible impact.
Work remote with a generous vacation policy, including the opportunity to take a sabbatical and select your own holidays.
Access to continuous learning and development opportunities, supported by professional development reimbursement.
Competitive salary package with comprehensive benefits, including fully covered medical and dental plans. We also offer telemedicine, life insurance, disability insurance, vision coverage, 401k, travel assistance, and more.
Option to receive payment in cryptocurrency, along with a crypto match program.
Stock option awards available to all employees.
Home office allowance, reimbursement for internet/cell expenses, complimentary Amazon Prime and Spotify subscriptions.
BitPay is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
If interested, please apply here: https://bitpay.applytojob.com/apply/jobs/details/4eZJqEucfX