Senior Front-End Engineer - Crypto/Web3 ( London )

bondex app; London; On-site; GBP 50,000 - 90,000; Full time

Job summary

Join an innovative firm at the forefront of the cryptocurrency revolution! This exciting opportunity involves working with cutting-edge technologies like React and TypeScript to create secure, user-friendly Web UIs for crypto solutions. As part of a dynamic team, you'll enhance wallet functionalities and decentralized exchanges, ensuring seamless user experiences. If you're passionate about blockchain and Web3 development, and thrive in a collaborative environment, this role is perfect for you. Embrace the chance to make a significant impact in a rapidly evolving industry!

Qualifications

• 5+ years of experience in Front-End technologies focusing on React and TypeScript.
• Experience with blockchain technologies and Web3 development.

Responsibilities

• Develop and maintain Web UIs for consumer applications like Wallet and DEX.
• Integrate Web2 and Web3 technologies to enhance functionalities.

Skills

React

TypeScript

Blockchain technologies

Web3 development

Client-side signing

Crypto transactions

Decentralized applications (dApps)

Excellent communication skills

Tools

web3.js

ethers.js

Next.js

Job description

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Candidate requirements

These are the minimum requirements a candidate must meet to be considered for this role.

• 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

Desirable

• Hands-on experience with automated testing is a plus
• Knowledge of Next.js is a plus
• Knowledge of browser extension development is a plus

Job responsibilities

• 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