Senior Frontend Developer (Blockchain) Offline

Our client is a private holding company focused on special situation control investments in the digital assets space. The firm brings together a global crypto-native team with deep expertise in both scaling early-stage ventures and restructuring complex blockchain assets. Their portfolio spans multiple Web3 verticals, including infrastructure, DeFi, and decentralized marketplaces. By leveraging operational and technical synergies across projects, the company aims to accelerate innovation and long-term value creation in the crypto ecosystem.

We are looking for a Front-end Developer to help build and maintain web applications for a global P2P marketplace. You’ll work alongside backend, mobile, and blockchain engineers to deliver secure and scalable user-facing solutions in a fast-paced, product-driven environment.

Requirements:
 

• 5+ years of frontend development experience
• Proven experience with React, Typescript and Next.js
• Knowledge of Web3.js or similar libraries for blockchain integration
• Experience working in fintech or cryptocurrency platforms
• Proven experience building responsive, mobile-first web interfaces
• Experience with integration and development of RESTful APIs
• Expertise in optimizing frontend performance and debugging complex web applications
• Familiarity with modern testing frameworks (e.g., Jest, Cypress)
• A solid understanding of testing strategies for frontend code

Responsibilities:
 

• Develop for the web using React, TypeScript and Next.js
• Collaborate with cross-functional teams to define, design, and deliver new features aligned with the product roadmap
• Implement best practices for frontend development, including code reviews, testing, and performance optimization
• Mentor and guide team members, fostering a collaborative and innovative environment
• Ensure seamless integration with backend APIs and other services, maintaining high standards for user experience
• Manage technical debt while prioritizing scalable architecture and maintainable code
• Build and maintain reusable components, libraries, and patterns to accelerate development across teams
• Debug and resolve complex technical issues, ensuring the stability and performance of our platform
• Collaborate with QA and DevOps teams to streamline CI/CD pipelines and improve testing coverage
• Work with UX/UI designers to deliver pixel-perfect interfaces that meet design requirements.

What we offer:
 

• Remote working format 
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

Recruitment process: Recruitment Interview – Technical Interview – Customer interview – Customer Technical Interview