Senior Frontend Engineer: React & React Native (Remote)

NextChallenge; Lisboa; Presencial; EUR 65 000 - 90 000; Tempo integral

Resumo da oferta

NextChallenge is seeking a Senior Frontend Developer to join our remote-friendly team. You will build UI components, refactor code, and contribute to mobile app development, delivering high-quality interfaces with React and TypeScript.

You will work across SPAs and PWAs, collaborate with the team, optimize performance, and ensure robust testing with Jest/Cypress while maintaining strong ownership of code quality. English communication required.

Qualificações

• 7+ years of experience as a Front-End Engineer.
• Strong React 18+ expertise including hooks and context.
• Expert TypeScript with advanced types and strict configurations.
• Strong knowledge of state management tools (Redux, MobX, Zustand).
• Experience building SPAs and PWAs; RESTful and GraphQL APIs.
• Familiarity with front-end build tools (Webpack, Vite, Rollup) and CI/CD pipelines.
• RN: 1–2 years of professional React Native; RN SDK development.
• Upper-Intermediate English required.

Responsabilidades

• Performing a technical assessment of requirements to ensure feasibility within time.
• Fixing bugs in existing projects.
• Refactoring and optimising existing code.
• Optimising components for maximum performance across browsers.
• Creating new and modifying existing websites.
• Be proactive in communication with team members.

Conhecimentos

Front-end development

JavaScript

React 18+

TypeScript

State management

SPAs and PWAs

REST & GraphQL APIs

Build tools

Testing frameworks

React Native

RN SDK

Code quality

English level

Ferramentas

Webpack

Vite

Rollup

CI/CD pipelines

Jest

Cypress

Descrição da oferta de emprego

NextChallenge is seeking a Senior Frontend Developer to join our remote-friendly team. You will build UI components, refactor code, and contribute to mobile app development, delivering high-quality interfaces with React and TypeScript.

You will work across SPAs and PWAs, collaborate with the team, optimize performance, and ensure robust testing with Jest/Cypress while maintaining strong ownership of code quality. English communication required.