Senior.NET Developer (Freelance)

Senior.NET Developer (Freelance)
Lisboa
Lisboa, Lisboa, Portugal

We are looking for a Senior. NET Developer to join a
- term international project and work on building scalable,
- impact digital solutions. This is a great opportunity for a professional who enjoys working with modern architectures,
- driven systems, and cloud technologies.

What You’ll Do

Develop and maintain systems in . NET Framework and . NET Core.

Improve and maintain legacy systems ensuring stability and scalability.

Design and implement
- based solutions , using Kafka as an Event Hub.

Work with both No
SQL and relational databases to build robust data solutions.

Implement and maintain Azure Functions and other serverless solutions.

Write unit and integration tests , perform code reviews, and enforce best practices.

Collaborate with the architecture team to define standards and best practices.

Support the frontend team with Angular -based applications (React knowledge is a plus).

What We’re Looking For

Advanced experience in C#, . NET Framework, and. NET Core.

Proven experience with legacy systems maintenance.

Experience designing microservices architectures and
- driven systems (Kafka/Event Hub).

Strong knowledge of SQL Server/My
SQL and No
SQL databases (Mongo
DB, Cosmos
DB).

Familiarity with CI/CD pipelines, design patterns (DDD, CQRS) , and Docker/Kubernetes (nice to have).

Must be based in Spain or Portugal with knowledge of Spanish or Potuguese

Why Join Us?

Long-term freelance contract with stable workload (160h/month).

Work with a multinational tech team on a
- edge product.

Competitive hourly rate

Hybrid in Lisbon