Full Stack Developer (.NET & React)

Porto, Portugal
Senior (4-6 Years)
Hybrid
English and Portuguese Required

What is this challenge about:

  • Explore, design, and implement AI agents and solutions applied to the Software Development Life Cycle (SDLC), focusing on increasing efficiency and quality in software development.
  • Rethink and challenge current engineering processes, contributing to the evolution of an AI-driven model from conception to software delivery and maintenance.
  • Support engineering teams in adopting AI tools for code development, promoting their integration throughout the entire SDLC.
  • Define and implement best practices, technical standards, and security requirements for using AI within the context of software development.
  • Contribute to the design of technical architectures that integrate AI into the development life cycle, ensuring robustness, governance, and compliance.
  • Work with frameworks, SDKs, and low-code/no-code platforms, evaluating their impact and value in the software development context.
  • Act as a senior technical reference, supporting their own and other teams in making technical decisions and solving complex AI-related challenges.
  • Collaborate with various engineering teams and stakeholders, ensuring alignment between platforms, processes, and technological goals.
  • Actively contribute to building and evolving AI agents oriented toward development and engineering, focused on code productivity, quality, and security.

What we are looking for:

  • 5+ years of software development experience in large-scale, high-availability production environments.
  • Experience working with C# / .NET and React, with the ability to adapt to different stacks.
  • Deep understanding of the end-to-end software development life cycle (SDLC).
  • DevOps culture and continuous integration mindset, specifically experience in defining and maintaining CI/CD pipelines (e.g., GitHub Actions, Azure DevOps).
  • Active hands-on experience using AI coding tools (e.g., Claude Code, GitHub Copilot) to boost productivity.
  • Technical leadership capabilities, guiding engineering teams, conducting code reviews, mentoring junior and senior profiles, and actively participating in architectural and technological decisions.
  • Ability to establish engineering best practices, design patterns, and testing standards (unit, integration, e2e), ensuring consistency and quality across teams.
  • Capability to translate business requirements into pragmatic technical solutions.
  • Effective communication skills with non-technical stakeholders, product managers, and designers, serving as a bridge between product vision and technical execution.

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.