P Outtask is a globally established company with over 25 years of experience in IT. Our Spanish office, located in Valencia, focuses on creating highly specialized tech teams that tackle complex challenges for the world#39;s industry leaders. /pp We have a deeply rooted people focused culture and are a completely flat organization. /pp Creativity, innovation, and perseverance are our core values and are reflected in our entire team. /p p We’re hiring a full-time b Backend Developer /b with experience in modern Microsoft technical stack software engineering, backend integration, and cloud-native systems. /pp You#39;ll play a key role in building scalable backend services and robust integrations that drive operational efficiency and enhance our digital capabilities. /pp This position requires strong backend engineering skills along with integration experience to support secure, reliable communication between platforms. b English /b is the corporate language and spoken b proficiency /b is required for effective team and customer collaboration. /p pb Your Responsibilities /b /pulli Design, prototype, and develop backend and middleware components using b .NET 8 /b and b C# /b /lili Build maintain secure b REST APIs /b and automation layers to support internal and external integrations /lili Create and maintain b unit and integration tests /b to ensure code quality and resilience /lili Implement b testable, scalable /b, and b robust software /b using established architectural patterns /lili Ensure service reliability with b structured logging /b, b distributed tracing /b, and b health checks /b /lili Support and guide partners and customers on backend integration challenges /lili Collaborate in agile teams with architects, developers, and product stakeholders /li /ulpb Technical Skills /b /pulli Proficiency in b C# /b and b .NET 8/X /b for building distributed backend systems /lilib You routinely integrate AI coding assistants /b (e.g., b GitHub Copilot /b, b Cursor /b, or equivalents) into your workflow to automate boilerplate, refactors, and tests—shipping faster and writing cleaner code /lili Strong experience with b PostgreSQL /b or other relational databases /lili Solid understanding of b CQRS /b, b publisher-subscriber /b, b factory /b, and other key b design patterns /b /lili Familiarity with b dependency injection /b and b modular service architecture /b /lili Secure API design using b JWT /b, b OpenID Connect /b, and b authentication middleware /b /lili Hands-on experience with b Swagger/OpenAPI /b, b Polly /b for resiliency, and b Git /b for version control /lili Proficient in deploying and operating containerized services with b Kubernetes /b /lili Experience using b Azure Service Bus /b or other enterprise messaging solutions /lili Working knowledge of b cloud platforms /b, especially b Azure /b /lili Familiarity with b Datadog /b, b Serilog /b, b OpenTracing /b, and related observability tools /li /ulpb Soft Skills /b /pulli Strong interpersonal and communication skills in b English /b /lili Excellent analytical and troubleshooting abilities /lili Proactive mindset and ability to independently manage tasks and deliverables /lili Comfortable working in b agile development environments /b /li /ulpb Position Details /b /pullib Role /b : Full-time /lilib Experience /b : 1 medior + 1 senior in backend development and system integration. /lilib Languages /b : English (corporate language) /lili Must have a Spanish residence and work permit and/or a European passport already (we will not evaluate candidates without this legal requirement in order to speed up the hiring process this time) /li /ul