About this role
Responsibilities
- Develop and maintain high-quality frontend applications and features
- Write clean, maintainable, well-tested code with comprehensive unit and E2E test coverage
- Build semantic, adaptive, cross-browser, and cross-platform layouts following web standards and accessibility best practices
- Design and implement reusable component systems and contribute to the shared UI library
- Optimize application performance (rendering, bundle size, Core Web Vitals)
- Collaborate with designers (Figma) to deliver pixel-perfect, consistent implementations
- Integrate with backend services and external APIs; agree on API contracts with backend engineers
- Configure and improve build tooling, CI/CD pipelines, and Docker environments
- Participate in code reviews, technical discussions, and architectural decisions
- Mentor Middle and Junior engineers and contribute to improving product quality
ABOUT THE TEAM
You will join a product engineering team of frontend, backend, QA, and DevOps engineers working closely with Product and Design. The team owns its features end to end: from implementation and testing to release and monitoring.
Typical Tech Stack:
- Languages: JavaScript (ES6+), TypeScript
- Frameworks: React, Vue, Next.js (SSR)
- State Management: RTK, MobX, Zustand, Pinia
- Build Tools: Vite, Webpack, SWC
- Styling: SCSS, CSS Modules, CSS-in-JS
- Quality Tools: ESLint, StyleLint, Prettier, Husky
- Testing: Unit and E2E testing frameworks
- Infrastructure: Docker, GitLab CI/CD
Nice to have
Required:
Core JavaScript/TypeScript Expertise:
- 5+ years of commercial frontend development experience
- Advanced proficiency in JavaScript (ES6+) , including asynchronous programming (async/await, Promises), prototype-based OOP, classes, and memory management fundamentals
- Deep TypeScript knowledge: generics, utility types, custom type declarations, and extending library types
Frontend Engineering Skills:
- Advanced experience with semantic, adaptive, cross-browser, and cross-platform layouts; understanding of web standards and accessibility
- Strong CSS skills, including SASS/SCSS and CSS-in-JS solutions
- Experience with modern frameworks ( React , Vue , or similar): reactivity principles, state management, component optimization, and render control
- Experience with various state managers
- Experience with SSR/isomorphic applications
- Experience building component systems , including the compound components approach
- Understanding of data structures , algorithm complexity, and common design patterns
- Knowledge of basic caching techniques (e.g., LRU)
- Ability to decompose tasks and separate business logic from framework/library code
Tools & Practices:
- Experience configuring and optimizing build tools ( Vite , Webpack )
- Experience with code quality tools ( ESLint , StyleLint , Prettier , Biome)
- Experience writing unit and E2E tests
- Understanding of REST API fundamentals and experience integrating with external services
- Experience with Docker (configuring and optimizing containers)
- Proficiency with Git (GitLab)
- Confident use of Figma for design implementation
- Good written and spoken English
Preferred:
- Experience with hybrid applications (WebView, React Native)
- Experience with Web3 frontend development : wallet integration (embedded and browser wallets), wallet and signing standards (EIP-1193, EIP-6963, EIP-712), ethers.js , viem , wagmi
- Knowledge of Core Web Vitals and SEO principles
- Experience with web security fundamentals (XSS, CSRF, secure handling of user data)
- Experience with frontend performance profiling and monitoring
- Experience creating and maintaining design system libraries
- Experience leading technical initiatives or mentoring engineers
- Practical, up-to-date experience with modern AI tools (e.g. Claude, Copilot, Cursor) for code generation, review, and accelerating day-to-day engineering work
IDEAL CANDIDATE
- Eager to learn new technologies and approaches
- Engaged with business processes and product goals
- Detail-oriented with a responsible approach to work
- Actively participates in discussions to improve product quality
- Motivated to build products that make a difference for users