Senior Frontend Engineer

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

• 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

Benefits

We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes medical, dental, and vision, PTO, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.