Frontend Engineer
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Core Responsibilities
- Act as a
- starter and take ownership as the first frontend engineer in Europe, setting the foundation for future growth. - Design and develop responsive,
- performance user interfaces using React JS and related technologies. - Integrate AI-powered personalization and recommendations into the frontend experience.
- Collaborate with backend engineers to optimize API design and performance, ensuring smooth and reliable interactions.
- Implement and maintain design systems and reusable component libraries that scale across the platform.
- Optimize frontend performance (rendering, loading, caching) for
- first discovery and booking flows. - Ensure accessibility, responsiveness, and
- device compatibility. - Design and run experiments with Statsig to validate frontend flows, personalization strategies, and conversion improvements.
- Collaborate with product and growth teams to translate experiment results into scalable product features.
- Write and maintain unit and integration tests to ensure quality and reliability.
- Participate in code reviews, debugging, and documentation to maintain a clean, maintainable codebase.
- Stay up to date with frontend tools, frameworks, and best practices, bringing forward ideas for innovation and scale.
Candidate Requirements
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
- 4–5 years of experience in frontend development using React JS and related technologies.
- Strong knowledge of HTML, CSS, Java
Script, and Type
Script, with the ability to write clean, efficient, and maintainable code. - Familiarity with frontend libraries and frameworks such as Redux, Axios, and Material UI.
- Experience with unit and integration testing frameworks (e. g. , Jest, React Testing Library, Enzyme).
- Understanding of responsive design, accessibility, and performance optimization principles.
- Familiarity with design tools like Figma or Sketch, and the ability to translate designs into
- quality implementations. - Strong
- solving and analytical skills, with the ability to work independently and in a team environment. - Excitement to work in an AI-first company and openness to experimentation frameworks (Statsig, Optimizely, Growth
Book, or similar). - A
- starter mindset, comfortable being the first frontend engineer in Europe, and eager to set best practices for the team.
____________________________________________________________
Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get
- applied to 100s of
- paying roles.
Sign up now at and let the opportunities come to you.
- Informações detalhadas sobre a oferta de emprego
Empresa: Calyptus Localização: Aveiro
Aveiro, Aveiro District, PortugalPublicado: 22. 10. 2025
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