Junior Java Developer

Braga, Portugal
Mid-level (2-3 Years)
Hybrid
English Required Not Accepting Candidates Living Abroad

Automotive software company built as a joint venture, with engineering hubs in Porto and Lisbon. The team builds full-stack applications using Java on the backend and modern JavaScript frameworks on the frontend, following cloud-native and microservices architecture practices.

What you will do

  • Develop and maintain Java-based backend services and web-based UI applications across the full stack.

  • Implement intuitive frontend components using modern web technologies including HTML, CSS, and JavaScript.

  • Design, query, and manage both SQL and NoSQL database structures to support core application data needs.

  • Architect and contribute to scalable microservices, containerized deployments, and cloud-based systems.

  • Apply robust software design principles, architecture patterns, and domain-driven design practices.

  • Analyze, profile, and optimize application performance, responsiveness, and resource utilization across backend and frontend layers.

  • Collaborate within cross-functional teams to implement automated test suites and maintain high code quality standards.

Location and work model

  • Hybrid (3 days/week in the office, Braga)

  • 2+ years of professional software development experience in Java.

  • Strong proficiency in foundational web technologies: HTML, CSS, and core JavaScript.

  • Practical experience working with both relational (SQL) and non-relational (NoSQL) database systems.

  • Hands-on experience or familiarity with modern frontend frameworks such as Angular, React, or Vue.js.

  • Exposure to microservices, containerization (e.g., Docker, Kubernetes), and cloud architecture environments.

  • Understanding of modern architectural concepts, including Domain-Driven Design (DDD), event sourcing, and reactive programming.

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
At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.
Pedro Fonseca, Front End Developer @ KWAN
I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.
Josimar dos Reis, Software Developer @ KWAN
I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.
João Nascimento, Software Developer (KWAN Alumni)
My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.
Laís Ortiz, Software Developer @ (KWAN Alumni)
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.

Tell Us About You

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