Frontend Engineer.

Olisipo

📍 Lisbon, Lisbon, Portugal

Full-time Computer Occupations Posted March 02, 2026

Job Description

Profile:- At least 5 years of professional experience with ReactJS;
- Solid experience with , including Server-Side Rendering (SSR);
- Strong skills in modern CSS and styling methodologies;
- Practical experience with component testing frameworks such as Vitest or Jest;
- Familiarity with Storybook for UI component development and documentation;
- Strong understanding of frontend performance, accessibility and responsiveness;
- Ability to work within agile teams and collaborate with designers, backend engineers and product owners;
- Fluent in English. Responsibilities:
- Develop and maintain high-quality frontend applications using ReactJS and ;
- Implement server-side rendered components and optimise frontend performance;
- Write clean, maintainable and well-tested code using Vitest, Jest and related tools;
- Build and manage reusable UI components using Storybook;
- Collaborate closely with design and product teams to deliver intuitive user interfa...