Senior Front-End Blockchain Developer

3 weeks ago

London, Greater London, United Kingdom BLOCKCHAIN Full time

Blockchain.com is the world's leading software platform for digital assets, offering the largest production blockchain platform in the world. We share the passion to code, create, and ultimately build an open, accessible, and fair financial future, one piece of software at a time.

We are seeking a Senior Front-End Blockchain Developer with experience in crypto and Web3 technologies to join our engineering team and build the next-generation Blockchain apps. This is an opportunity to develop one of the most popular and visited websites in the crypto ecosystem. In this role, you will be responsible for delivering user interfaces that power future wallets, block explorers, financial and market data products, as well as innovative visualizations.

Our engineering teams are involved in all aspects of the product life cycle, from idea generation, design, prototyping, planning, execution, and shipping.

Key Responsibilities:

  • You will be a part of the Web Front-End team, overseeing all Web UIs for the consumer side of the business, including Wallet, DEX, and crypto on-ramp.
  • Maintain and continuously improve existing applications serving millions of users, as well as develop new ones for cutting-edge crypto solutions.
  • Integrate both Web2 and Web3 technologies and APIs to enhance wallet and decentralized exchange (DEX) functionalities.
  • Implement client-side signing and crypto transactions to ensure secure and seamless user experiences.
  • Collaborate closely with designers, Back-End engineers, and business stakeholders to deliver a best-in-class user experience.
  • Proactively collaborate with team members, sharing knowledge and ensuring efficient task distribution.
  • Advocate for best practices, code quality, and test coverage, while driving technical discussions within the team.

Requirements:

  • At least 5 years of experience working with Front-End technologies, with a focus on React and TypeScript.
  • Ability to architect secure, maintainable, and testable Front-End code.
  • Experience with blockchain technologies, cryptocurrencies, and Web3 development.
  • Proficient in client-side signing and handling crypto transactions (e.g., Bitcoin, Ethereum).
  • Familiarity with Web3 libraries (such as web3.js, ethers.js) and wallet integrations.
  • Experience with decentralized applications (dApps) and understanding of blockchain protocols.
  • Ability to independently manage the full lifecycle of tasks and take ownership of the quality of your work.
  • Excellent communication skills and the ability to collaborate effectively with team members across disciplines.
  • Hands-on experience with automated testing is a plus.
  • Knowledge of Next.js is a plus.
  • Knowledge of browser extension development is a plus.

What We Offer:

  • Full-time salary based on experience and meaningful equity in an industry-leading company.
  • Hybrid model working from home and an awesome office location in the heart of London.
  • Unlimited vacation policy; work hard and take time when you need it.
  • Apple equipment.
  • The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field.
  • Flexible work culture.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.

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