Senior Front-End Engineer - Crypto / Web3

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, You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controllers 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 Controllers 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.

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

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.

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