Senior C# / .NET Developer

Description

Summary: Seeking a Senior C# / .NET Developer to design, develop, and maintain high-performance microservices and APIs, focusing on quality and collaborative development. Highlights: 1. Develop and maintain microservices in .NET / ASP.NET Core. 2. Design and expose high-performance, secure, and scalable RESTful APIs. 3. Collaborate with diverse teams to ensure robust and observable deliveries. We are looking for a Senior C\# / .NET Developer who's eager to embark on an exciting new opportunity! 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 you'll be doing: * Develop and maintain microservices in .NET / ASP.NET Core. * Design and expose high\-performance, secure, and scalable RESTful APIs. * Implement messaging solutions based on Kafka or Solace, ensuring resilience, idempotence, and event ordering. * Apply concurrency and parallelism patterns using the Task Parallel Library (TPL), prioritizing efficiency and performance. * Develop automated tests (unit, integration, and contract), ensuring continuous quality and adequate coverage. * Work with relational or NoSQL databases (e.g., SQL Server, PostgreSQL, MongoDB), ensuring efficient modeling and best practices for data access. * Contribute to the evolution of cross\-functional libraries (chassis framework), ensuring consistency in logging, telemetry, security, and configuration. * Participate in code reviews, standard setting, and continuous improvement of the development cycle. * Collaborate with DevOps, QA, and Architecture teams to ensure robust and observable deliveries. What you bring to the table: * 5\+ years of experience with C\# / .NET 8\. * Hands\-on experience with microservices, REST APIs, and messaging (Kafka, Solace, RabbitMQ, or similar). * Experience with containers (Docker) and CI/CD pipelines (GitHub Actions, Azure DevOps, etc.). * Familiarity with logging, observability, and tracing (OpenTelemetry, Grafana, Prometheus). * Strong foundation in design patterns, SOLID, and Domain\-Driven Design (DDD). * Knowledge of TPL (Task Parallel Library) and asynchronous programming is a plus. 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. 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! \ Poderá encontrar o anúncio original publicado em: https://www.itjobs.pt/oferta/513409/senior\-c\-net\-developer