via Lever · 8 de setembro de 2026 ·há 11 dias

Senior Frontend Developer (React & React Native)

jobgether
Portugal Tempo inteiro
Este anúncio é de Lever
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Accountabilities

  • Assess business requirements from a technical perspective and determine practical implementation approaches within reasonable timelines.

  • Develop new user interface components and enhance existing web applications using modern React and TypeScript patterns.

  • Build and maintain responsive, high-quality websites and front-office features.

  • Participate in mobile application development using React Native, including cross-platform solutions and reusable software development kits (SDKs).

  • Refactor and optimize existing code to improve maintainability, scalability, and overall application quality.

  • Optimize frontend components and applications for strong performance across different browsers and devices.

  • Identify, troubleshoot, and resolve bugs across existing projects and production environments.

  • Work with state management solutions such as Redux, MobX, or Zustand to create reliable and maintainable application architectures.

  • Integrate and work with RESTful and GraphQL APIs as part of frontend and mobile application development.

  • Implement and maintain automated tests using tools such as Jest and Cypress.

  • Contribute to frontend build processes, continuous integration and continuous delivery (CI/CD) pipelines, and modern development workflows.

  • Collaborate proactively with team members and communicate technical considerations, progress, challenges, and solutions clearly.

  • Continuously improve development processes and contribute ideas that enhance engineering efficiency and product quality.

  • Adapt to changing priorities, learn new technologies quickly, and contribute effectively in a dynamic environment.
Requirements
  • 7+ years of professional experience as a Frontend Engineer or JavaScript Developer.

  • Strong foundation in pure JavaScript and extensive experience building modern frontend applications.

  • Advanced proficiency with React 18+, including hooks, context, and modern React development patterns.

  • Expert-level TypeScript experience, including advanced types and strict configuration environments.

  • Strong knowledge of state management technologies such as Redux, MobX, Zustand, or comparable solutions.

  • Proven experience building Single-Page Applications (SPAs) and Progressive Web Applications (PWAs).

  • Strong experience integrating RESTful and GraphQL APIs.

  • Familiarity with modern frontend build tools such as Webpack, Vite, and Rollup, as well as CI/CD pipelines.

  • Strong understanding of browser rendering behavior and frontend performance optimization.

  • Experience with automated testing frameworks such as Jest, Cypress, or equivalent technologies.

  • 1–2+ years of professional React Native development experience.

  • Hands-on experience developing React Native Software Development Kits (SDKs) for cross-platform applications.

  • Upper-Intermediate English proficiency or higher.

  • Experience with micro frontends, monorepos, or component libraries such as Storybook or Bit is a plus.

  • Knowledge of design systems and technologies such as Material UI, Tailwind, or similar frameworks is a plus.

  • Exposure to WebAssembly, WebSockets, or real-time applications is a plus.

  • Experience integrating third-party tools and libraries is a plus.

  • Ability to understand business requirements and translate them into clear, practical technical requirements.

  • Strong adaptability and ability to remain effective when priorities change.

  • Proactive communication style, strong ownership, and willingness to take initiative.

  • Fast-learning mindset and enthusiasm for acquiring new technical knowledge.
Benefits
  • Competitive salary aligned with experience and technical expertise.

  • Fully remote work, with office access available in locations where company offices are established.

  • Flexible work schedule focused on performance and outcomes rather than time tracking.

  • Unlimited paid vacation and sick leave.

  • Ongoing career development and learning opportunities.

  • International team environment built around respect, collaboration, and shared goals.

  • Flat organizational structure with minimal bureaucracy and significant employee autonomy.

  • Corporate parties and team-building events throughout the year.

  • Employee referral bonus after a referred employee successfully completes their probation period.

  • Private medical insurance compensation, with full or partial reimbursement depending on the cost.

  • Flexible Benefits plan allowing employees to choose eligible activities or expenses for reimbursement, such as gym memberships, language courses, streaming subscriptions, or wellness activities.

  • Education foundation and biannual learning raffle offering opportunities to learn new subjects beyond your primary role.

  • Opportunity to contribute ideas, improve processes, and take meaningful ownership of your work.

O mercado para este tipo de cargo

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