Senior Frontend Engineer (Next.js, React)

What You'll Do

- Develop modern, scalable frontend applications using Next.js 16 App Router with React Server Components

- Translate product and design requirements into high-quality, responsive, and accessible UI using CSS Modules and Radix UI components

- Contribute to frontend architecture decisions, including state management (Context API, TanStack Query, Apollo Client) and component design patterns

- Collaborate with designers to ensure pixel-perfect and user-friendly interfaces, building reusable components in Storybook

- Optimize applications for speed, scalability, and cross-browser compatibility using Lighthouse, Web Vitals, and bundle analysis

- Work closely with backend engineers to integrate GraphQL and REST APIs, implementing efficient data fetching with Apollo Client and TanStack Query

- Write comprehensive tests using Vitest, Testing Library, and Playwright for E2E testing

- Follow best practices in clean code, TypeScript strict mode, performance optimization, and frontend observability

- Participate in code reviews and share knowledge with the team

- Stay up to date with evolving frontend technologies and contribute ideas for improvements

Experience & Expertise

- 4+ years of experience in software engineering with strong frontend focus

- Proficiency with React including hooks, Server Components, and modern patterns

- Experience with Next.js (e.g. App Router, SSR/SSG, routing, and middleware)

- Strong TypeScript skills with good understanding of type systems

- Solid understanding of HTML5, CSS3, CSS Modules, responsive design, and cross-browser compatibility

State & Data Management

- Experience with React state management frameworks (e.g. Context API, Redux)

Code Quality & Testing

- Experience with testing frameworks: Vitest, Testing Library, and/or Playwright

- Familiarity with ESLint, Prettier, Stylelint for maintaining code quality

- Understanding of frontend performance optimization techniques and Web Vitals

Build Tools & Package Management

- Experience with modern package managers (pnpm, npm, or yarn)

Soft Skills

- Strong problem-solving skills and attention to detail

- Good English communication skills and ability to work in cross-functional teams

- Ability to work independently and take ownership of features

- Comfortable giving and receiving feedback in code reviews

Nice to Have

Next.js & React

- Experience with React Server Components architecture and optimization patterns

- Understanding of Next.js middleware, edge functions, and deployment platforms

- Knowledge of internationalization (i18n) implementation with next-intl

State & Data Management

- Working knowledge of TanStack Query (React Query) for server state management

- Experience with Apollo Client for GraphQL integration

- Familiarity with GraphQL APIs and code generation tools

UI/UX & Design Systems

- Experience contributing to design systems or component libraries

- Familiarity with Radix UI, Framer Motion, or similar headless UI libraries

- Knowledge of accessibility (WCAG) standards and implementation

- Experience with Storybook for component development and documentation

Forms & Validation

- Experience with React Hook Form and schema validation libraries like Zod

- Building complex, accessible forms with validation patterns

Performance & Observability

- Experience with Lighthouse CI, performance budgeting, and optimization workflows

- Familiarity with OpenTelemetry, distributed tracing, or frontend monitoring

- Knowledge of performance monitoring tools (Vercel Speed Insights, etc.)

E-commerce & High-Traffic Applications

- Experience working on customer-facing e-commerce products

- Knowledge of shopping cart logic, product catalogs, wishlist features, and loyalty programs

- Understanding of payment systems and secure checkout flows

- Experience with analytics implementation and tracking (GTM, custom analytics)

- Understanding of bundle optimization and Webpack configuration

Third-Party Integrations

- Experience with feature flag systems (LaunchDarkly or similar)

- Integration with Google Maps API, hCaptcha, or other third-party services

- Knowledge of SEO best practices and structured data (schema.org)

Advanced Testing & Quality

- Experience with CI/CD pipelines (Bitbucket Pipelines, GitHub Actions)

- Knowledge of E2E testing strategies at scale

- Experience with visual regression testing in Storybook

- Familiarity with Git hooks (Husky), lint-staged, and conventional commits

DevOps & Deployment

- Familiarity with Vercel Platform

- Understanding of edge computing and serverless architectures

- Experience with environment management across multiple deployment stages

Additional Skills

- Knowledge of security best practices (XSS protection, CSP, authentication)

This role offers the opportunity to work on a modern, high-traffic e-commerce platform serving millions of customers, with the chance to grow your frontend skills and contribute to architectural decisions.