H3Overview /h3 pOuttask 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's industry leaders. We have a deeply rooted people-focused culture and are a completely flat organization. Creativity, innovation, and perseverance are our core values and are reflected in our entire team. /p pWe’re hiring a full-time bBackend Developer /b with experience in modern Microsoft technical stack software engineering, backend integration, and cloud-native systems. You will play a key role in building scalable backend services and robust integrations that drive operational efficiency and enhance our digital capabilities. This position requires strong backend engineering skills along with integration experience to support secure, reliable communication between platforms. bEnglish /b is the corporate language and spoken bproficiency /b is required for effective team and customer collaboration. /p h3Responsibilities /h3 ul liDesign, prototype, and develop backend and middleware components using b.NET 8 /b and bC# /b /li liBuild maintain secure bREST APIs /b and automation layers to support internal and external integrations /li liCreate and maintain bunit and integration tests /b to ensure code quality and resilience /li liImplement btestable, scalable /b, and brobust software /b using established architectural patterns /li liEnsure service reliability with bstructured logging /b, bdistributed tracing /b, and bhealth checks /b /li liSupport and guide partners and customers on backend integration challenges /li liCollaborate in agile teams with architects, developers, and product stakeholders /li /ul h3Technical Skills /h3 ul liProficiency in bC# /b and b.NET 8/X /b for building distributed backend systems /li liYou routinely integrate AI coding assistants (e.g., bGitHub Copilot /b, bCursor /b, or equivalents) into your workflow to automate boilerplate, refactors, and tests—shipping faster and writing cleaner code /li liStrong experience with bPostgreSQL /b or other relational databases /li liSolid understanding of bCQRS /b, bpublisher-subscriber /b, bfactory /b, and other key bdesign patterns /b /li liFamiliarity with bdependency injection /b and bmodular service architecture /b /li liSecure API design using bJWT /b, bOpenID Connect /b, and bauthentication middleware /b /li liHands-on experience with bSwagger/OpenAPI /b, bPolly /b for resiliency, and bGit /b for version control /li liProficient in deploying and operating containerized services with bKubernetes /b /li liExperience using bAzure Service Bus /b or other enterprise messaging solutions /li liWorking knowledge of bcloud platforms /b, especially bAzure /b /li liFamiliarity with bDatadog /b, bSerilog /b, bOpenTracing /b, and related observability tools /li /ul h3Soft Skills /h3 ul liStrong interpersonal and communication skills in bEnglish /b /li liExcellent analytical and troubleshooting abilities /li liProactive mindset and ability to independently manage tasks and deliverables /li liRole: Full-time /li liExperience: 1 medior + 1 senior in backend development and system integration. /li liMust have a Spanish residence and work permit and/or a European passport already /li /ul h3Seniority level /h3 ul liMid-Senior level /li /ul h3Employment type /h3 ul liFull-time /li /ul h3Job function /h3 ul liConsulting and Engineering /li /ul h3Industries /h3 ul liIT Services and IT Consulting /li /ul pLocation: Paterna, Valencian Community, Spain /p #J-18808-Ljbffr