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

TN United Kingdom; London; On-site; GBP 50,000 - 90,000; Full time

Job summary

An innovative firm is seeking a Senior Front-End Engineer with expertise in React and TypeScript, particularly in the crypto and Web3 space. In this pivotal role, you will contribute to the development and enhancement of user interfaces for applications serving millions. You will work collaboratively with cross-functional teams to implement secure client-side signing and crypto transactions, ensuring a seamless user experience. This is an exciting opportunity to be at the forefront of blockchain technology and decentralized applications, making a significant impact in a fast-evolving industry. If you're passionate about cutting-edge technology and eager to drive innovation, this role is for you.

Qualifications

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

Responsibilities

• Oversee all 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

Automated testing

Next.js

Tools

web3.js

ethers.js

Job description

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

Client: bondex app

Location: London, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Reference: de5157e572d7

Job Views: 29

Posted: 13.04.2025

Expiry Date: 28.05.2025

Job Description:

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
• Excellent communication skills and 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

Job Responsibilities

• Be part of the Web Front-End team overseeing all Web UIs for the 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