logo inner

Senior Front-End Engineer - Crypto/Web3

Blockchain.comLondon, United KingdomOnsite
This job is no longer open

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 looking for a Senior Front-End Engineer 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.

WHAT YOU WILL DO


  • You will be a part of Web Front-End team which oversees all Web UIs for consumer side of the business such as 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

WHAT YOU WILL NEED


  • 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
  • You have excellent communication skills and 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

COMPENSATION & PERKS


  • Full-time salary based on experience and meaningful equity in an industry-leading company
  • Hybrid model working from home & 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.You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art.

6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf.  Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site.

Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses. Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment.  Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted.

You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

This job is no longer open

Life at Blockchain.com

Blockchain is connecting the world to the future of finance. We are the most trusted and fastest growing crypto company, helping millions across the globe from single individuals to the largest institutions have an easy and safe way to access cryptocurrency. Known as the world's most popular crypto wallet, Blockchain is on a path to revolutionizing the $14T financial services industry. Blockchain is backed my leading investors including Lightspeed Venture Partners and Google Ventures. Follow us @Blockchain or visit our website to learn about the most trusted and popular crypto wallet in the industry: blockchain.com Our Cultural Principles Challenge convention. We challenge the status quo and transcend the boundaries of today to create an open financial future that supports the broadest global community possible. We've been told that getting to where we are today would be impossible so we decided we were just getting started. Empower the end-user. Our customers should own their financial future so we empower them to Be Your Own Bank. Our users come first. Sanctify security. Our users security and privacy are critical to our success and we will not forsake them in service of our ambition. Be humble. Be honest. Be human. We build connections with each other and our users by communicating frequently, authentically and openly and we build trust by doing what we say well do. Were big on accountability and high standards, but not on unnecessary rules. Delight in the details. We believe we cannot get the big things right if we dont get the little things right first. Sometimes that makes things harder. Luckily, were ok with hard.
Thrive Here & What We Value1. Hybrid model: working from home & onsite in central London office2. Unlimited vacation policy; work hard and take time when needed3. Opportunity to be a key player at a rapidly expanding global technology company4. Flexible work culture with diverse, equal opportunity employment5. Performance-based bonuses paid in cash6. Competitive full-time salary based on experience and equity7. Remote work options for up to 4 weeks from various locations8. Apple equipment provided by the company9. Blockchain's commitment to diversity, inclusion, and prohibition of discrimination

Related Sub

This job belongs to these sub. Explore related roles here:
Frontend developer remote jobsTop web3 jobs
Your tracker settings

We use cookies and similar methods to recognize visitors and remember their preferences. We also use them to measure ad campaign effectiveness, target ads and analyze site traffic. To learn more about these methods, including how to disable them, view our Cookie Policy or Privacy Policy.

By tapping `Accept`, you consent to the use of these methods by us and third parties. You can always change your tracker preferences by visiting our Cookie Policy.

logo innerThatStartupJob
Discover the best startup and their job positions, all in one place.
Copyright © 2025