Senior Frontend Engineer - Custody Experience
BitGo is a renowned provider of digital asset financial services, catering to institutional investors through custody, liquidity, and security solutions. From centralized to decentralized finance, BitGo delivers trading, lending, and borrowing services as well as acts as the custodian for WBTC. Amidst this, BitGo introduced the BitGo Portfolio and Tax in 2020, offering clients a comprehensive solution for digital assets. Moreover, BitGo Trust Company, established in 2018, is the first qualified custodian specialized in storing digital assets. Processing around 20% of global Bitcoin transactions, BitGo supports over 1,000 coins and tokens, serving a customer base that includes major cryptocurrency exchanges and institutional investors across 50 countries. Notable backers of BitGo include Goldman Sachs, Craft Ventures, Digital Currency Group, and other leading financial entities.
We are currently seeking a Senior Frontend Engineer. Given the substantial cryptocurrency transactions BitGo handles, it is vital to maintain high-quality software and platform delivery. In alignment with industry standards, our integrated platforms interact with various exchanges, agencies, and global governments, utilizing cutting-edge technology.
This position requires on-site presence at our office in New York, NY.
Responsibilities:
- Work closely with design and product teams to develop new UIs for upcoming projects
- Enhance existing UI functionality across different products
- Develop reusable code for future projects
- Enhance the health of the codebase
- Collaborate with stakeholders to grasp implementation requirements and constraints
- Provide mentorship to peers through code reviews and best practices education
- Offer maintenance support and optimize performance of existing applications
Skills & Experience:
Successful candidates will embody our values of open communication, transparency, ownership, and craftsmanship. They should align with our vision of fostering trust in digital assets.
Required:
- Minimum of 5 years of frontend software engineering experience
- Proficiency in React
- Advanced knowledge of JavaScript, CSS, and HTML
- Experience with modern JavaScript frameworks
- Proficiency in Node.js and Express applications
- Familiarity with design systems
- Experience in unit, integration, and end-to-end testing
- Ability to thrive in a fast-paced environment independently
Nice to have:
- Understanding and enthusiasm for cryptocurrencies and blockchain technology
- Knowledge of Tailwind, React-Query, and NextJS
Why Join BitGo?
At BitGo, we prioritize vision, innovation, passion, technical expertise, and collaboration to revolutionize the industry. Be part of a team dedicated to excellence and exemplifying values such as ownership, craftsmanship, and transparent communication. Join us in changing the world's financial markets through innovative problem-solving and a pioneering mindset.
Here are some rewards of working at BitGo:
- Competitive base salary, bonus, and stock options
- Comprehensive health insurance coverage
- Up to 4% 401k company match
- Paid parental leave and vacation time
- Complimentary meals and snacks
- Custom computer equipment and workplace setup
- Engaging colleagues and a motivating startup culture
The financial landscape is evolving rapidly due to cryptocurrencies. Join us, and be able to say you played a role in transforming investing.
Pay Transparency Notice: As per location and level, the compensation for this role typically ranges from $165,000 to $210,000 USD per year, with equity, an annual performance bonus, and discussed benefits included.
Ассистент по проектам веб-разработки и веб-дизайна
Мы ищем опытного менеджера проектов для управления проектами по веб-разработке и дизайну в сфере криптовалют.
Вы будете отвечать за полную реализацию проектов — от начала до сдачи, управляя собственной командой или координируя работу фрилансеров.
Обязанности:
Управление полным жизненным циклом проекта (планирование → сдача)
Координация разработчиков, дизайнеров и фрилансеров
Определение сроков, этапов и результатов
Обеспечение качества и своевременной сдачи проектов
Прямое взаимодействие с заказчиками
Требования:
Подтверждённый опыт управления веб-проектами
Умение работать самостоятельно или руководить командой
Опыт работы с фрилансерами
Сильные организационные и коммуникативные навыки
Базовое понимание криптовалют / Web3
Оплата:
От $3000 в месяц
Выплаты в криптовалюте (по желанию)
Долгосрочное сотрудничество
Мы предлагаем:
Полностью удалённую работу
Постоянный поток проектов
Возможность роста в сфере криптовалют
Важно:
Мы ищем человека, способного качественно и в срок реализовывать проекты «под ключ».
Assistant for web development and web design projects
We are looking for an experienced Project Manager to manage web development and design
projects in the crypto space.
You will be responsible for delivering projects end-to-end, either by managing your own team or
coordinating freelance professionals.
Responsibilities:
- Manage full project lifecycle (planning → delivery)
- Coordinate developers, designers, and freelancers
- Define timelines, milestones, and deliverables
- Ensure quality and on-time delivery
- Communicate directly with stakeholders
Requirements:
- Proven experience in web project management
- Ability to work independently or lead a team
- Experience working with freelancers
- Strong organizational and communication skills
- Basic understanding of crypto / Web3
Compensation:
- Starting from $3000/month
- Paid in crypto (optional)
- Long-term collaboration opportunity
What we offer:
- Fully remote position
- Continuous flow of projects
- Opportunity to grow within the crypto space
Important:
We are looking for someone who can deliver complete turnkey projects with high quality and within
deadlines.
Startup
Senior Software Engineer (Blockchain)
MentTech is a forward-thinking technology company dedicated to transforming how mentoring and learning are delivered in the digital age. By combining advanced tools, intelligent systems, and a human-first approach, MentTech helps individuals, teams, and organizations harness the power of mentorship to unlock potential, build skills, and achieve lasting growth.
The Role
We are seeking a Smart Contract Developer responsible for ensuring that game listings within MentTech work properly and ensuring compliance with all game store policies.
Key Responsibilities:
• Architect, implement, and deploy secure smart contracts for an on-chain Play-to-Earn GameFi ecosystem
• Lead contract design decisions with a focus on robustness, auditability, gas efficiency, and resilience to attack vectors
• Mentor/junior developers: perform code reviews, establish standards, best practices in security & testing
• Collaborate cross-functionally with game designers, backend, QA, and security teams to align smart contract features with product roadmap
Qualifications:
• 2+ years hands‐on experience developing & deploying smart contracts (Solidity / EVM or equivalent) in production environments
• Track record of writing secure contracts, familiarity with common vulnerabilities (reentrancy, integer over/underflow, front-running, flash loans, etc.)
• Experience with audits, formal verification, fuzz testing, or other advanced contract assurance methods
• Strong test suite / CI workflow skills; comfortable using tools like Hardhat, Foundry, Truffle etc.
• Solid understanding of GameFi mechanics and how on-chain economics work
Bonus Points:
• Experience on multiple EVM chains or Layer-2 / sidechains
• Knowledge of cross-chain bridges, oracles, NFTs, tokenomics design
• Contributions to open-source security tooling or prior audit reports or published code you’re proud of
Why join MentTech?
At MentTech, we cultivate a culture of flexibility, autonomy, and the freedom to make a real impact on the broader Web3 ecosystem. Experience the advantages of a fully remote working environment where your expertise and contributions are rewarded with competitive compensation tailored to your role and project influence.
Ment Tech Labs
• Employee Equity & Incentives: Unlock future growth with equity and other potential incentives.
• Entrepreneurial Culture: Join a collaborative environment where we innovate together as partners.
• Cutting-edge Innovation: Work at the forefront of gaming and blockchain.
• Key Strategic Projects: Be part of transformative initiatives that are redefining the gaming landscape.
• Remote Flexibility: Enjoy a truly flexible, fully remote work setup that supports your lifestyle.
• Talented Team: Collaborate with a team of passionate, driven, and skilled professionals.
• Community Impact: Contribute to the growth and success of the Web3 and gaming communities.
• Flexible Payment Options: Receive payments in crypto or fiat, tailored to your preference.
• Growth Opportunities: Access valuable learning experiences and development paths.
MentTech Labs, Inc. is an equal opportunities workplace that doesn’t discriminate based on race, ethnicity, gender, ancestry, national origin, religion, sex, sexual orientation, gender identity, age disability, veteran status, genetic information, marital status, or any other legally protected status.
Junior / Middle Metaverse Developer (Unity / Web3 / VR)
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.