Job details

Senior Front-end Developer

  • TypeScript
  • Next.js
  • API
  • Typescript
  • PWA
  • CSS

Posted: 1 day ago

We are an innovative iGaming company that doesn’t just grow but sets trends in the industry! We are currently looking for a Senior Frontend Developer who is ready to build dynamic and innovative web products.

If you enjoy tackling complex tasks, taking on creative challenges, and working in a team that drives the industry forward — let’s build great things together!


.    Key Responsibilities:

  • Design and implement complex features with a focus on scalability and performance
  • Optimize data handling: caching strategies with React Query, application state management
  • Develop and maintain a design system with Storybook + Tailwind CSS
  • Organize testing processes (unit, integration, E2E), set up coverage metrics
  • Participate in architectural decisions and risk assessment
  • Mentor Middle/Junior developers and conduct code reviews
  • Collaborate with the Product Owner and backend team to align on API and WebSocket protocol.

    Required Qualifications:
  • 5+ years of experience in React + TypeScript, including complex high-load projects
  • Expert knowledge of React 19: application optimization with React Compiler, migration from previous versions
  • Advanced Next.js expertise (server methods customization, SEO optimization, middleware)
  • Deep understanding of React Query (global error handlers, prefetching, WebSocket integration)
  • Experience designing high-load real-time systems using WebSockets (subscriptions, load balancing)
  • Proficiency with React Hook Form (custom validators, dynamic forms, UI-kit integration)
  • Advanced Tailwind CSS experience for large-scale projects (config customization, plugins, dark/light themes)
  • Strong testing expertise: optimizing test performance, mocking WebSockets, integrating with CI/CD (GitHub Actions, GitLab CI)
  • Ability to configure and customize Storybook (accessibility testing add-ons, story parameterization)
  • Understanding of PWA principles (resource caching, offline mode)
  • Experience with monitoring (Sentry, LogRocket) and performance optimization (Chrome DevTools, Lighthouse)
  • Feature-Sliced Design (FSD) experience is a plus

    What We Offer:
  • Remote work, Monday–Friday schedule
  • Competitive compensation aligned with your experience and skills
  • Work on a top-tier iGaming project
  • Opportunities for professional growth and development in a strong team
  • Paid vacation, sick leave, and an extra day off