React Frontend

Descrição da Função

We’re looking for the special, unique and amazing YOU! @ KCS IT, we look for the ones that stands out, for those that always wants to be better and fight for it, and for those who has the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, team work. At KCS we stand for equality and value diversity. We create a safe, diverse environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit. All applications with skills for the position are welcome!

Job Details

• Senior React Frontend Developer, 5+ years experience.
• Hybrid model in Lisbon – candidates must already live in Portugal.

Responsibilities

• Develop and maintain high quality applications using React. js, Java
  Script/Type
  Script.
• Consume REST APIs and integrate state management solutions such as Redux, Zustand or Context API.
• Write unit and integration tests (Jest, React Testing Library).
• Participate in CI/CD pipelines (Git
  Hub Actions, Git
  Lab CI) and Dockerised environments.
• Ensure front‑end security best practices (XSS, CORS) and accessibility.
• Collaborate with UX designers using Figma to implement designs.
• Communicate effectively in English for daily collaboration.

Qualifications

• 4–5 years of professional frontend development experience.
• Strong expertise in React. js (functional components, hooks, routing, state).
• Proficient in Java
  Script (ES6+) and Type
  Script.
• Solid knowledge of HTML5, CSS3 and responsive design.
• Experience with Git and version control.
• Familiarity with CI/CD, Docker, and automated testing.
• Good understanding of web security best practices.
• English (spoken & written) fluency required.

Benefits

• Career development personalized to your goals.
• Work on clients across diverse industries.
• Free training and certification programs.
• International projects in Benelux.
• Hybrid, full remote or onsite work options.
• Well‑being support: nutrition, psychologist, medicine appointments, yoga and personal training.

Location

• Parque das Nações, Lisbon, Portugal