Senior Software Engineer - Ethereum and Altcoins
Status
Toronto, Canada
Full time
Office
Compensation is not specified
Role
Software Engineer
Description
BitGo, a prominent player in digital asset financial services, caters to institutional investors by offering liquidity, custody, and security solutions. Established in 2013, BitGo is recognized for introducing the multi-signature wallet and remains the foremost digital asset company specializing in serving institutional clients. Operating in both centralized and decentralized finance realms, BitGo excels in trading, lending, and borrowing services through its prime brokerage offerings and acts as the custodian for WBTC, a leading global stablecoin associated with Bitcoin. In a strategic move in 2020, BitGo introduced BitGo Portfolio and Tax to provide clients with comprehensive digital asset solutions. Moreover, in 2018, the company launched BitGo Trust Company tailored to serve as a qualified custodian for securing digital assets. Handling approximately 20% of all global Bitcoin transactions and extending support to over 600 coins and tokens, BitGo serves as the security and operational foundation for more than 1500 institutional clients across 50 countries. These clients comprise regulated entities and major cryptocurrency exchanges and platforms. Backed by renowned entities such as Goldman Sachs, Craft Ventures, and others, BitGo stands out as a powerful force in the digital asset landscape.
Role Overview
BitGo is in search of a skilled professional to join as a Senior Software Engineer for the Ethereum and Altcoin team. This role involves contributing to the development of robust and scalable systems aimed at integrating various blockchains, facilitating secure custody, and supporting staking processes for substantial fund volumes. Ideal candidates should possess autonomy, prioritize security, showcase expertise in distributed systems, and have a profound comprehension of the cryptocurrency ecosystem. If you are enthusiastic about exploring the possibilities of blockchain technology, possess experience in building scalable software, and exhibit a penchant for innovation, we invite you to be part of BitGo and contribute towards shaping the future of digital assets.
Responsibilities
- Design and implement scalable, well-abstracted APIs, libraries, and services to seamlessly integrate blockchains and staking functions into custody platforms.
- Take charge of functionality and scalability aspects from research through deployment.
- Develop integration libraries and SDKs to interact with server APIs effectively.
- Document and expose functionalities for UI, third-party developers, and internal tooling.
- Collaborate closely with engineering teams and product managers to ensure a shared understanding of technical requirements and maintain work quality consistency.
- Provide mentorship to peers within the engineering team through code reviews and the promotion of best practices.
Skills & Experience
BitGo is seeking team players who embody values such as open communication, transparency, ownership, craftsmanship, and hold a commitment to establishing trust in digital assets.
Required
- Minimum of 5 years of backend, server-side software development (2 years for SWE II).
- Proficiency in TypeScript/Node.JS and/or Kotlin.
- Demonstrable skill in unit and functional testing, and debugging.
- Ability to construct simple and extensible abstractions for intricate systems.
- Proficiency in Git/GitHub, branching strategies, code review tools, CI tools, etc.
- Bachelor’s degree in computer science, applied mathematics, or related technical discipline from a reputable university.
- Understanding and deep interest in cryptocurrencies and blockchain technology.
- Strong problem-solving skills, algorithm design expertise, and proficiency in complexity analysis.
- Self-driven individual capable of working independently in a high-paced environment.
Preferred
- Background in either blockchain or security industries.
- Experience with microservices and service-oriented architectures.
- Full-stack capability and familiarity with React and Databases (MongoDB).
- Proficiency in Docker and Kubernetes.
- Prior experience in building scalable distributed systems.
Why Join BitGo?
Joining our team requires a blend of vision, technical expertise, innovation, commitment, collaboration, and execution. A team of talented individuals at BitGo strives for excellence while embracing the values of ownership, craftsmanship, and open communication. We are keen on welcoming new colleagues with innovative thinking capabilities, problem-solving skills, and a readiness to take calculated risks as part of the team reshaping the world’s financial markets.
Select Benefits at BitGo Include:
- Competitive base salary, bonus, and stock options.
- Comprehensive health insurance coverage for employees, partners, and dependents.
- Up to 4% company match for 401k contributions.
- Paid parental leave, vacation time.
- Commuter/parking pass, close proximity to Caltrain.
- Custom free lunches, dinners, snacks.
- Provision of computer equipment and ergonomic workplace setup.
- Collaborative environment with inspiring colleagues in a startup setting.
Note: Employee benefits might vary based on location.
The domain of cryptocurrencies marks a significant shift in the financial services sector. Join BitGo to become a part of the transformative team shaping the landscape of investing for the future.
Skills Required
BitGo
Website
www.bitgo.comCompany size
Not specified
Location
United States
Description
Not specified
Status
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