Strong Middle / Senior Frontend Developer (React / Next.js, Web3)

Madfish; Remote; GBP 55,000 - 75,000; Part time

Job summary

A technology firm in the United Kingdom is seeking a Middle–Strong/Senior Frontend Developer who will be responsible for developing and maintaining Web3 product interfaces. The ideal candidate has over 4 years of experience in frontend development and is proficient in React.js and Next.js. This role offers a flexible schedule and the opportunity to work on international-level projects, with minimal bureaucracy and maximum ownership.

Benefits

Participation in international-level Web3 projects

Flexible schedule

Payments in crypto or to legal entity

Minimal bureaucracy

Qualifications

• 4+ years of commercial frontend development experience, especially in web 3.0 projects.
• Experience building projects from scratch to finish.
• Strong skills in React.js and Next.js are essential.

Responsibilities

• Develop and maintain interfaces for Web3 products.
• Design frontend architecture under senior tech lead.
• Maintain high UX/UI quality throughout the project lifecycle.

Skills

React.js

Next.js

UI/UX Design

Asynchronous Logic

API Integration

Job description

Techchain Solutions is looking for a Middle–Strong/Senior Frontend Developer who is equally confident in UI implementation and application logic.

We value independence, responsibility, and the ability to design frontend architecture under the guidance of a senior tech lead.

Key Responsibilities

• Develop and maintain interfaces for Web3 products (DeFi, crypto exchanges, fintech)
• Build adaptive, fast, high-quality UI
• Implement animations and interactive elements
• Design frontend architecture with senior tech lead
• Collaborate with designers, backend developers, and PM
• Maintain high UX/UI quality throughout the project lifecycle

Requirements

• 4+ years of commercial frontend development experience (1+ years with web 3.0 projects)
• Have experience to be the only developer on a project from scratch to finish
• Strong React.js and Next.js experience
• Experience building animated interfacesUnderstanding of asynchronous logic and API integrations
• Self-organization, accountability, ability to deliver without constant supervision
• Distributed team experience is a plus

What We Offer

• Participation in international-level Web3 projects
• Flexible schedule, option for part-time
• Payments in crypto or to legal entity (FOP/JDG/etc.)
• Minimal bureaucracy — maximum ownership and autonomy
• Direct communication with PM and tech lead
• Growth potential to senior level and involvement in architectural decisions