Join to apply for the Full Stack Developer role at IntelliSavvy Job Title: Full Stack Developer Location: Remote, Mexico Experience Required: 5–8 years Note: Only candidates with advanced English proficiency (C1/C2) will be considered. Overview We are seeking a skilled and motivated Full Stack Developer to join our remote engineering team on a contract basis. This role is ideal for a developer with 5–8 years of hands-on experience in building robust web applications using .NET (Framework 4.8 / .NET 8) and modern front-end technologies such as JavaScript, TypeScript, HTML5, CSS3 , and frameworks like Angular, React, or Vue.js . You will play a critical role in enhancing legacy systems and developing scalable, maintainable full-stack applications. Key Responsibilities Analyse, refactor, and modernize legacy applications built on .NET Framework 4.8 Design and develop scalable back-end services and APIs using ASP.NET MVC, .NET Core, and .NET 8 Build and maintain responsive, user-friendly front-end interfaces using Angular, React, or Vue.js Work with core web technologies including JavaScript, TypeScript, HTML5, and CSS3 Collaborate across the full stack to ensure seamless integration between UI, services, and database layers Decompose monolithic applications into modular, maintainable services Optimize Visual Studio solution structure and streamline CI/CD pipelines Write clean, testable, maintainable code with comprehensive unit, integration, and regression testing Work closely with UX/UI, QA, and DevOps teams to ensure high-quality delivery Apply engineering best practices including SOLID principles, DDD, and design patterns Monitor application performance and reliability using tools like Application Insights, Datadog, or New Relic Must-Have Skills 5–8 years of full stack development experience, including: .NET Framework 4.8, .NET 8, ASP.NET MVC, Web API, Entity Framework Front-end frameworks: HTML, CSS and JavaScript Strong proficiency in JavaScript, TypeScript, HTML5, CSS3 Proficient in SQL: stored procedures, performance tuning, indexing Solid understanding of RESTful API development and integration Familiarity with Git, CI/CD pipelines, and automated deployments Hands-on experience with modernization and legacy system improvement Knowledge of testing frameworks like xUnit, NUnit, or MSTest Strong grasp of clean architecture and scalable code design Seniority level Mid-Senior level Employment type Contract Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at IntelliSavvy by 2x Get notified about new Full Stack Engineer jobs in Mexico . #J-18808-Ljbffr