Job Summary: We are looking for a C#/.NET developer to design, develop, and maintain web applications, collaborating within teams and implementing innovative solutions. Key Highlights: 1. Web application design and development in .NET 2. Collaboration in multidisciplinary teams 3. Mentoring and continuous improvement of products and services We are knowmad mood! We are a leading digital transformation company, constantly evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with a mission to deliver value to our clients and empower our talent. Comprising over 3\.000 creative, digital, and innovative individuals united by a shared purpose and capable of building connections with people worldwide. A responsible, flexible team with high adaptability to our clients’ and the market’s needs—while delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. The values guiding us toward excellence are collaboration, innovation, commitment, fun, and trust. **What do we value?** * **4\+ years of experience in C\#** and .NET development. * Knowledge of **ASP.NET Core / ASP.NET (MVC, WebAPI)** and **REST APIs / SOAP services / microservices**. * Experience with **relational databases** (Microsoft SQL Server, PostgreSQL) and **NoSQL** (MongoDB, Redis). * Proficiency in **JSON, XML**, and best practices for **scalable and maintainable code**. * Application of **design patterns** (DDD, SOLID) and industry standards. * Experience with **unit and integration testing, code coverage, and mocking**. * Experience with **version control** (Git) and **CI/CD tools**. * Capacity for **continuous learning**, teamwork, and mentoring. * Experience working with **agile methodologies**, and ownership of services throughout their entire lifecycle. **What would be your responsibilities?** * Design, develop, and maintain **web applications** in .NET. * Collaborate with teams of developers, architects, DevOps, and business stakeholders. * Propose and implement **technical solutions to complex problems**, and optimize existing solutions. * Apply best practices for scalability, stability, quality, and accountability. * Mentor less-experienced colleagues and contribute ideas for improving products and services. * Actively participate in projects featuring diverse architectures, adapting solutions to each specific case. Hybrid work model: offices in **Madrid or Palma de Mallorca** Working hours: Mon–Thu 08:00–14:00 / 15:00–17:30; Fri 08:00–14:00 No summer intensive schedule *At ***knowmad mood***, we are committed to equal opportunities and respect for diversity. We apply our Equality Plan and the principle of non-discrimination across all our recruitment processes.* Stay updated on our news by following us here \-\> knowmad mood