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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Asp.Net Web Api Developer - **Company:** Teccodd Careers - **Location:** Nava, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** ASP.NET, HTML, JavaScript (Programming Language), Microsoft Azure, Cascading Style Sheets (CSS), Cloud Computing, Databases, Internet Information Services (IIS), Software Requirements Analysis, Asp.net Web Api, Backend, Integration Tests, Solid Principles, Front End Software Development, Api Design, Restful APIs, Api Management, Microservices - **Published:** July 12, 2026 - **Apply:** https://www.buscojobs.com.es/senior-asp-net-web-api-developer-en-nava-ID-364271329 ## About the Role Your daily responsibilities will include:Requirements Gathering: Partnering with Product Owners to refine software requirements and break them down into actionable User Stories.Frontend Collaboration: Working closely with Frontend Developers to design API contracts, communication pathways, and system dependencies.Architecture & API Development: Designing and implementing robust REST API architectures and optimized database schemas.Quality Assurance: Managing technical documentation, comprehensive unit/integration testing, and advanced system troubleshooting for all implemented backend components.Job RequirementsCandidates must fulfill the following technical benchmarks:Minimum QualificationsEducation: Technical Engineering degree (Ingeniería Técnica), Mathematics, Physics, or a highly related technical field.Core Framework: Minimum of 5+ years of hands?on experience in the ASP.NET framework (ideally ASP.NET Core 6.0 or higher). API Development: 3+ years of specialized experience building and maintaining REST APIs.Software Patterns: Expert?level mastery of SOLID principles, with profound experience implementing Dependency Injection.Testing & Databases: 3+ years of backend testing experience along with 3+ years of working with Entity Framework.Desirable / Valued ExtrasExperience with cloud?native microservices architectures.Experience deploying backend applications (e.g., Azure, IIS). Familiarity with frontend fundamentals (HTML, JavaScript, CSS). Intermediate English proficiency (B2 level or higher). ## Description JOB ID ****Consulte la descripción del puesto a continuación.Si confía en que tiene las habilidades y la experiencia adecuadas, envíe su solicitud hoy mismo.Roles & ResponsibilitiesDevelopers in this department manage the full lifecycle of the applications they build.Your daily responsibilities will include:Requirements Gathering: Partnering with Product Owners to refine software requirements and break them down into actionable User Stories.Frontend Collaboration: Working closely with Frontend Developers to design API contracts, communication pathways, and system dependencies.Architecture & API Development: Designing and implementing robust REST API architectures and optimized database schemas.Quality Assurance: Managing technical documentation, comprehensive unit/integration testing, and advanced system troubleshooting for all implemented backend components.Job RequirementsCandidates must fulfill the following technical benchmarks:Minimum QualificationsEducation: Technical Engineering degree (Ingeniería Técnica), Mathematics, Physics, or a highly related technical field.Core Framework: Minimum of 5+ years of hands?on experience in the ASP.NET framework (ideally ASP.NET Core 6.0 or higher).API Development: 3+ years of specialized experience building and maintaining REST APIs.Software Patterns: Expert?level mastery of SOLID principles, with profound experience implementing Dependency Injection.Testing & Databases: 3+ years of backend testing experience along with 3+ years of working with Entity Framework.Desirable / Valued ExtrasExperience with cloud?native microservices architectures.Experience deploying backend applications (e.g., Azure, IIS).Familiarity with frontend fundamentals (HTML, JavaScript, CSS).Intermediate English proficiency (B2 level or higher).Familiarity or professional background within the machine tool, manufacturing, or industrial production industries.Work Schedule & Hybrid ModelHours: 40 hours per week (Full?time).Schedule: Monday to Friday, 08:00 to 13:00 and 13:30 to 16:30.Remote Work: Hybrid Model.2 days of remote work per week / 3 days on?site in Zaldibar.xqbhyrx (Note: The remote work distribution schedule is fixed).#J-*****-Ljbffr ## Related Videos - [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [REST, GraphQL, gRPC, and more: A comparison of modern API styles](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)