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Senior Software Engineer

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Senior Software Engineer
Kwan Ver todos os empregos

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Portugal
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Job posted on March 11, 2026
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Job Description:
We are looking for a Senior Software Engineer 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 using .NET C# and modern tools such as Kafka, PostgreSQL, and ElasticSearch;
  • Deliver high-quality software as part of a development team;
  • Build deep expertise in the team's codebase and provide comprehensive code reviews;
  • Ensure documentation exists for all critical systems and write widely used technical guides;
  • Monitor dashboards and alerts, responding to incidents appropriately;
  • Drive technical decision-making, considering trade-offs, risks, and organization-wide alignment;
  • Diagnose complex bugs and provide fixes along with automated regression tests;
  • Lead specification and refinement of technical improvements;
  • Mentor, coach, and empower engineers, sharing knowledge through demos and presentations.

Does it sound exciting?

What we are looking for
  • Bachelor's degree in Computer Science or related field;
  • 6+ years of experience working with .NET C#;
  • Understanding of microservice architectures, including patterns, techniques, and trade-offs;
  • Experience with event-driven architectures and messaging tools (Kafka preferred, Pulsar, RabbitMQ);
  • Experience with SQL and NoSQL databases (ElasticSearch and PostgreSQL preferred, Dynamo, MongoDB, Redis);
  • Proven ability to identify and implement best practice improvements within the team;
  • Ability to solve highly complex technical problems independently;
  • Quick learner of complex architectures and codebases;
  • Experience working in Agile environments;
  • Technical leadership experience, including mentoring engineers;
  • Knowledge of Feature Flags for faster, safer releases.

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

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