Senior Frontend Developer (React)

Lisbon, Portugal
Senior (4-6 Years)
Hybrid
Not Accepting Candidates Living Abroad English Required

We are looking for a Senior Frontend Developer (React) to work in Lisbon who's eager to embark on an exciting new opportunity!

What is this challenge about

  • Develop and maintain web applications using ReactJS / NextJS;
  • Implement responsive designs using HTML, CSS, TypeScript, and JavaScript;
  • Design and implement scalable web architecture and related artifacts;
  • Create and maintain technical documentation using tools such as Confluence;
  • Utilize DevOps practices, including CI/CD pipelines, GitHub workflows, and actions;
  • Manage version control effectively using Git;
  • Troubleshoot, debug, and optimize web applications;
  • Collaborate with the team to deliver high-quality user experiences
  • Minimum 5 years of experience in modern frontend technologies;
  • Proficiency in ReactJS / NextJS, HTML, CSS, Typescript, and JavaScript;
  • Solid knowledge of REST APIs;
  • Experience with NodeJS and package managers;
  • Familiarity with DevOps tools and CI/CD pipelines;
  • Effective use of Git for version control;
  • Proven experience analyzing and improving application performance and resource usage across the full stack;
  • English proficiency at least B2 level (mandatory);
  • Experience with Azure or other cloud platforms (Plus);
  • Experience with GraphQL (Plus);
  • Experience with Headless CMS (Plus);
  • Experience with Content Management System (CMS).

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

  • A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
  • A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
  • An empowering and respectful work culture enriched with social and learning events.
  • A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.

“At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.”
Luis Caldeira, DevOps @ KWAN
Grab this opportunity, apply now!

What You Can Expect as a KWANer

Respect isn’t optional here

You’re trusted to deliver and supported to speak up.

Dedicated People Experience Partner

Someone accountable for your growth, not your allocation.

Continuous learning, built in

Learning that keeps pace with the systems you build.

Recognition that’s visible

Your impact doesn’t go unnoticed. Through our Rocket Points System, we constantly recognize your contributions.

A culture you can feel

From movie and quiz nights to dinners and our annual summer gathering, we don’t just work together - we build real connections.

Flexible spaces to work your way

Remote-first, with physical hubs when you want connection.

Didn't find your mission yet?


Strong profiles don’t always match timing. That doesn’t mean there isn’t alignment.

We review every application. If there’s alignment, we won’t let it get lost in a database.