Senior Frontend Developer

About the role

ZEXTER is building a full‑stack platform for the digital entertainment and iGaming ecosystem. We are looking for a senior frontend developer with strong React and TypeScript expertise to own and evolve the user‑facing part of our product.

Key responsibilities

• Develop and maintain high‑performance frontend applications using React, Next.js and TypeScript.
• Design robust frontend architecture, define module boundaries and evolve legacy code without blocking new features.
• Deliver end‑to‑end product features in close collaboration with backend, design, QA and product teams.
• Ensure code quality, performance and reliability through testing, code reviews and continuous optimization.
• Contribute to tooling, CI/CD, observability and overall engineering best practices.

Required profile

• 5+ years of commercial frontend development, including at least 3 years with React.
• Strong English and Russian language skills (minimum B2).
• Experience working in cross‑functional product teams and delivering production‑grade applications under real user load.
• Familiarity with high‑load domains such as iGaming, betting or fintech is a plus.

Required skills

• React (hooks, Suspense, Server/Client Components)
• Next.js (SSR/SSG/ISR, App Router, middleware)
• TypeScript (strict mode, generics, utility types)
• TanStack Query (query management, prefetching, optimistic updates)
• Testing tools: Vitest/Jest, React Testing Library, Playwright/Cypress
• CI/CD: GitHub Actions or GitLab CI
• Docker, Node.js, Sentry for monitoring
• Tailwind CSS, Zod, internationalisation (next‑intl)

What we offer

• Fully remote work with a competitive salary.
• Opportunity to join a fast‑growing international iGaming company.
• Strong development and product teams with minimal bureaucracy.
• Clear career path and the chance to directly influence product quality.
• Modern tools and interesting technical challenges.