KWAN

KWAN is a 100% Portuguese company that is part of the Rupeal Group, dedicated to IT Staffing, consulting, and outsourcing. KWAN exists because a developer believed in a different way of recruiting: treating people with the respect they deserve. Our goal is to be your go-to place for career advice and help you reach your dream job.
About company
This job is closed
This position is no longer accepting applications. Closed on April 12, 2026.

Software Engineer (.NET)

On-site

location Lisbon

date March 9, 2026

types Full-time

View all jobs

We are looking for a Software Engineer (.NET) to work in Lisbon who's eager to embark on an exciting new opportunity!

Apply here

About KWAN

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 is this challenge about

- Write clean, maintainable code in .NET C# and other modern tools (e.g., Kafka, ElasticSearch);

- Deliver high-quality, working software as part of a development team;

- Build deep expertise in the team’s codebase and provide insightful code reviews;

- Ensure documentation exists for all critical systems and write widely used technical guides;

- Help define SRE standards to monitor applications and respond to production incidents;

- Drive high-level technical decision-making, identifying trade-offs and organisation-wide alignment;

- Diagnose complex bugs, provide fixes, and create automated regression tests;

- Guide technical improvements and provide vision for future architecture;

- Mentor, coach, and empower engineers, sharing knowledge via demos and presentations.

Does it sound exciting?

Apply here

What we are looking for

- Bachelor’s degree in Computer Science or related field;

- 10+ years of experience working with .NET C#;

- Expert-level proficiency in C#.NET;

- Strong understanding and experience with microservice architectures, including patterns, techniques, and trade-offs;

- 2+ years of experience with event-driven architectures and messaging tools (Kafka preferred, Pulsar, RabbitMQ, etc.);

- Experience with NoSQL databases (ElasticSearch preferred, Dynamo, MongoDB, Redis);

- Proven ability to drive best practice improvements across multiple teams;

- Experience tackling complex technical problems independently and leading critical technical decisions;

- Ability to anticipate technical risks and coordinate mitigation;

- Strong skills in deploying and scaling cloud applications, including Docker and Kubernetes;

- Agile experience;

- 3+ years of technical leadership experience, including mentoring engineers and leading initiatives.

Do you meet most of the position requirements? Then grab this opportunity and apply now!

Apply now!

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;

- A relocation package and visa sponsorship for all our international hires.

Some Words From Our Colleagues

“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!

Apply now!

Contacts and Address

earth Avenida Duque de Ávila, 46 - 3ºA 1050 - 083 Lisboa