Middle+/Senior Frontend Developer

TechChain Solutions is looking for a Middle+/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. 

Tech Stack
Core:

  • React.js, Next.js -- confident, proven experience
  • Excellent command of HTML5, CSS3, SCSS, JavaScript (ES6+)
  • Experience with animations: GSAP, Framer Motion, CSS animations
  • Web3.js/Ethers.js, basic understanding of smart contracts (Solidity)
  • Git/Github version control proficiency
  • Knowledge of clean architecture principles and performance optimization

 

Key responsibilities:

  • Develop and maintain interfaces for Web3 products (DeFi, crypto exchanges, fintech)
  • Build adaptive, fast, high-quality UI
  • Implement animation 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
  • Hands-on experience with Web3 products similar to crypto exchanges, DeFi platforms, or blockchain-based apps
  • Strong React.js and Next.js experience
  • Experience building animated interfaces
  • Understanding 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
  • Payments in crypto or to legal entity (FOP/JDS/etc.)
  • Minimal bureaucracy -- maximum ownership and autonomy
  • Direct communication with PM and tech lead
  • Growth potential to senior level and involvment in architectural decisions

 

Hiring process:

1. Intro interview with recruiter

2. Technical interview with tech lead

3. Final interview with PM and CEO

More about TechChain Solutions: https://drive.google.com/file/d/14hz-zp0YMyJnD4LAM3CrDwyPaqWxkdUu/view?usp=sharing

Required skills experience

Web3 1 year

Required domain experience

Blockchain / Crypto 1 year

Required languages

English B2 - Upper Intermediate
Ukrainian C2 - Proficient
Published 17 December 2025
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