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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior SW Engineer - **Company:** SMX Services & Consulting - **Location:** Spain - **Contract:** Permanent contract - **Skills:** ASP.NET, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Multitier Architecture, Agile Methodology, Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Cloud Engineering, Software Quality, Computer Programming, Data Structures, Cursor, Software Debugging, Software Design Patterns, DevOps, Distributed Systems, Language Integrated Query, Entity Framework, Github, Python (Programming Language), Enterprise Messaging Systems, NoSQL, Performance Tuning, Software Tools, Software Construction, Software Engineering, TypeScript, Google Cloud, Enterprise Software Applications, Cloud Platform System, .NET Core, GitHub Copilot, ReactJS, Gitlab, Git, Event Driven Architecture, Containerization, AngularJS, Kubernetes, Front End Software Development, Claude, Restful APIs, Code Restructuring, GPT, Software Version Control, Serverless Computing, Docker, Microservices - **Published:** October 8, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-sw-engineer--castilla-la-mancha--e030d08aa0e3fe33378efd22577191e6b ## About the Role * 5+ years of professional experience in software engineering or application development. * Strong hands-on experience developing scalable enterprise applications using C#, .NET Core/.NET 6+, ASP.NET Core, RESTful APIs, Entity Framework Core, LINQ, and modern software engineering best practices in cloud-native and distributed environments. * Experience building RESTful APIs, microservices, and distributed systems. * Experience with frontend development frameworks such as React, Angular, or similar is a plus. * Experience with cloud-native development using AWS, Azure, or Google Cloud. * Experience with relational and/or NoSQL databases, including performance optimization and data modeling best practices. * Strong understanding of software design patterns, clean architecture principles, data structures, and algorithms. * Experience with CI/CD pipelines and source control tools such as Git, GitHub, GitLab, or Azure DevOps. * Practical experience leveraging AI-powered engineering tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude, or similar) to accelerate software development, debugging, refactoring, test automation, and technical documentation while maintaining high standards for code quality, security, and maintainability. * Ability to independently lead complex technical initiatives and contribute to architecture and technical design decisions. * Strong collaboration, communication, and technical leadership skills. * Bilingual English and Spanish communication capabilities. * This position must be remote from Guadalajara, * 5+ years of professional experience in software engineering or application development. * Strong hands-on experience developing scalable enterprise applications using C#, .NET Core/.NET 6+, ASP.NET Core, RESTful APIs, Entity Framework Core, LINQ, and modern software engineering best practices in cloud-native and distributed environments. * Strong programming experience in one or more modern languages such as C#, Java, Python, JavaScript/TypeScript, Go, or similar. * Experience building RESTful APIs, microservices, and distributed systems. * Experience with frontend development frameworks such as React, Angular, or similar is a plus. * Experience with cloud-native development using AWS, Azure, or Google Cloud. * Experience with relational and/or NoSQL databases, including performance optimization and data modeling best practices. * Strong understanding of software design patterns, clean architecture principles, data structures, and algorithms. * Experience with CI/CD pipelines and source control tools such as Git, GitHub, GitLab, or Azure DevOps. * Practical experience leveraging AI-powered engineering tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude, or similar) to accelerate software development, debugging, refactoring, test automation, and technical documentation while maintaining high standards for code quality, security, and maintainability. * Ability to independently lead complex technical initiatives and contribute to architecture and technical design decisions. * Strong collaboration, communication, and technical leadership skills. * Bilingual English and Spanish communication capabilities. * This position must be remote from Guadalajara, * Experience with Docker, Kubernetes, and containerized application development. * Experience with event-driven architectures, messaging systems, or serverless technologies. * Exposure to Agile delivery models, DevOps practices, and platform modernization programs. * Experience mentoring engineers and influencing engineering standards. ## Description * 5+ years of professional experience in software engineering or application development. * Strong hands-on experience developing scalable enterprise applications using C#, .NET Core/.NET 6+, ASP.NET Core, RESTful APIs, Entity Framework Core, LINQ, and modern software engineering best practices in cloud-native and distributed environments. * Experience building RESTful APIs, microservices, and distributed systems. * Experience with frontend development frameworks such as React, Angular, or similar is a plus. * Experience with cloud-native development using AWS, Azure, or Google Cloud. * Experience with relational and/or NoSQL databases, including performance optimization and data modeling best practices. * Strong understanding of software design patterns, clean architecture principles, data structures, and algorithms. * Experience with CI/CD pipelines and source control tools such as Git, GitHub, GitLab, or Azure DevOps. * Practical experience leveraging AI-powered engineering tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude, or similar) to accelerate software development, debugging, refactoring, test automation, and technical documentation while maintaining high standards for code quality, security, and maintainability. * Ability to independently lead complex technical initiatives and contribute to architecture and technical design decisions. * Strong collaboration, communication, and technical leadership skills. * Bilingual English and Spanish communication capabilities. * This position must be remote from Guadalajara Required Qualifications * 5+ years of professional experience in software engineering or application development. * Strong hands-on experience developing scalable enterprise applications using C#, .NET Core/.NET 6+, ASP.NET Core, RESTful APIs, Entity Framework Core, LINQ, and modern software engineering best practices in cloud-native and distributed environments. * Strong programming experience in one or more modern languages such as C#, Java, Python, JavaScript/TypeScript, Go, or similar. * Experience building RESTful APIs, microservices, and distributed systems. * Experience with frontend development frameworks such as React, Angular, or similar is a plus. * Experience with cloud-native development using AWS, Azure, or Google Cloud. * Experience with relational and/or NoSQL databases, including performance optimization and data modeling best practices. * Strong understanding of software design patterns, clean architecture principles, data structures, and algorithms. * Experience with CI/CD pipelines and source control tools such as Git, GitHub, GitLab, or Azure DevOps. * Practical experience leveraging AI-powered engineering tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude, or similar) to accelerate software development, debugging, refactoring, test automation, and technical documentation while maintaining high standards for code quality, security, and maintainability. * Ability to independently lead complex technical initiatives and contribute to architecture and technical design decisions. * Strong collaboration, communication, and technical leadership skills. * Bilingual English and Spanish communication capabilities. * This position must be remote from Guadalajara Preferred Qualifications * Experience with Docker, Kubernetes, and containerized application development. * Experience with event-driven architectures, messaging systems, or serverless technologies. * Exposure to Agile delivery models, DevOps practices, and platform modernization programs. * Experience mentoring engineers and influencing engineering standards.