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Ardanis

Senior React Developer

Ardanis
Portugal · Full-time · Mid-Senior

We are looking for a Senior React Developer to join our growing frontend team. You'll be responsible for designing, developing, and maintaining high-quality web applications using React.js and modern JavaScript technologies. You will work closely with UX/UI designers, backend engineers, and product managers to deliver scalable and performant solutions that provide an excellent user experience.

Responsibilities:

  • Design and implement responsive, maintainable, and reusable front-end components using React.js and TypeScript.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Ensure the technical feasibility of UI/UX designs and maintain a consistent design system.
  • Optimize applications for maximum speed and scalability.
  • Implement state management solutions (e.g., Redux, Zustand, or Recoil).
  • Write clean, well-documented, and testable code following best practices and coding standards.
  • Participate in code reviews, provide mentorship to junior developers, and contribute to architectural decisions.
  • Integrate frontend applications with RESTful APIs or GraphQL services.
  • Stay up to date with the latest frontend technologies, trends, and tools

Requirements

  • 5+ years of professional experience in frontend development, with at least 3 years using React.js.
  • Strong proficiency in JavaScript (ES6+) and TypeScript.
  • Experience with React Hooks, Context API, and functional components.
  • Solid understanding of HTML5, CSS3, and modern CSS frameworks (Tailwind, Styled Components, etc.).
  • Familiarity with state management libraries (Redux, Zustand, MobX, or similar).
  • Experience working with RESTful APIs or GraphQL.
  • Understanding of frontend architecture, performance optimization, and testing frameworks (Jest, React Testing Library, Cypress).
  • Knowledge of Git, CI/CD pipelines, and agile development processes.
  • Excellent communication and problem-solving skills.
  • Fluent in English, both written and spoken.

Nice to Have

  • Experience with Next.js or React Native.
  • Familiarity with Docker, Kubernetes, or cloud environments (AWS, Azure, GCP).
  • Background in UI/UX or design systems.
  • Contributions to open-source projects or a portfolio on GitHub

Key Skills

Ranked by relevance

react reactjs restful apis javascript typescript graphql design systems react native kubernetes responsive docker html5 cloud cicd css git aws gcp
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Posted
Nov 06, 2025
Type
Full-time
Level
Mid-Senior
Location
Portugal
Company
Ardanis

Industries

IT Services IT Consulting

Categories

Other

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