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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Dot Net - **Company:** Frontiers - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Component-Based Software Engineering, Code Review, Data Infrastructure, Distributed Systems, Microsoft SQL Server, MongoDB, NoSQL, Performance Tuning, Scrum Methodology, Query Optimization, Software Engineering, Software Systems, .NET Core, Database Optimization, Vue.js, Containerization, Kubernetes, Graphql, Front End Software Development, Docker, Microservices - **Published:** July 18, 2026 - **Apply:** https://www.jobleads.com/es/job/e581a769650982e16103a6fea3b4b78b3 ## About the Role * 5+ years of experience in software engineering, specializing in .NET Core/Framework * 3+ years of hands-on experience with modern front-end frameworks (Vue 3 is a plus) * Familiar with Agile/Scrum methodologies * Deep expertise in Vue.js, including Vue 2 and Vue 3, with a strong understanding of state management, component-based architecture, and best practices for building scalable front-end applications * Strong expertise in SQL Server, including performance tuning, indexing strategies, query optimization, and troubleshooting production issues * Heavy experience in implementing APIs with REST and GraphQL * Experience integrating AI solutions into customer-facing applications * Proficiency in leveraging AI to enhance daily engineering work * Experience in owning complex, distributed system architectures * Solid understanding of microservices and micro-frontend concepts * Collaborative and thriving in a hybrid environment Nice-to-Have Skills * Experience with NoSQL databases (MongoDB) * Experience with containerization platforms (e.g., Docker, Kubernetes) ## Description We are looking for an enthusiastic Full Stack .NET Engineer to join our team. You will work in the Researcher Profiles Service team, where we build and manage a global-scale academic data platform. Through powerful APIs and intuitive UIs, we make critical research information accessible to the rest of the company and to end-users worldwide. We have fully embraced AI-based spec-driven design, integrating AI throughout the entire software development lifecycle. From specification to implementation, AI tooling shapes how we architect, build, and iterate-making us faster, more deliberate, and focused on what matters most. This is not an experiment; it is how we work. You will take ownership of high-impact projects and drive them to success in a team that is redefining how modern software is built., * Design, develop, and maintain scalable, high-performance web applications using .NET and Vue.js * Enhance and support existing solutions built with older versions of .NET and Vue.js * Collaborate with product managers, architects, and other cross-functional teams to gather requirements, assess technical feasibility, and determine optimal implementation strategies * Collaborate within a multinational, cross-functional team to deliver software solutions aligned with business needs * Write clean, maintainable, and efficient code while adhering to best practices * Ensure the quality of the delivered solutions * Optimize applications for performance, scalability, and responsiveness * Troubleshoot and resolve complex technical challenges * Conduct code reviews and mentor junior engineers * Possess a willingness to learn, a flexible approach, and stay current with emerging trends in IT to maintain an up-to-date technology stack * Have a business-oriented attitude with a focus on delivering measurable outcomes for end-users. 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