Mid .NET Fullstack Developer

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

Global professional services company with a technology delivery hub in Portugal. The team builds and maintains scalable full stack applications, combining modern back-end services with content-driven front-end solutions for international clients.

What you will do

  • Design, develop and deploy full stack applications using .NET Framework/.NET Core and modern UI frameworks.
  • Build and maintain REST APIs, ensuring smooth integration between front-end and back-end systems.
  • Work with CMS/DXP platforms to deliver content-driven solutions.
  • Design and optimize SQL and NoSQL databases for performance and scalability.
  • Collaborate with cross-functional teams to define scalable system architectures and microservices-based solutions.
  • Use DevOps tools and workflows to streamline development and deployment processes.
  • Contribute technical guidance and support architectural decisions within the team.

Location and work model

  • Hybrid (2 days/week in the office, Lisboa)
  • C# .NET Developer (.NET Framework / .NET Core) — 3+ years
  • Experience with DXP/CMS platforms (e.g. Optimizely, Umbraco or equivalent)
  • Proficiency in SQL and NoSQL databases
  • Solid knowledge of REST APIs
  • React — hands-on experience
  • Next.js — hands-on experience
  • Strong technical leadership experience, with ability to guide teams and make architectural decisions
  • Familiarity with DevOps tools, including GitHub workflows and actions
  • Experience designing scalable system architectures and microservices
  • English B2

Nice to have

  • Experience with Azure or other cloud platforms
  • Experience with ASP.NET Core / Web API
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?


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