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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Fullstack Engineer - **Company:** MCS Group - **Location:** Belfast, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Business Software, C Sharp (Programming Language), Databases, DevOps, Standard Sql, Software Systems, TypeScript, Web Applications, Working Model 2D, ReactJS, Software Application Programming, Backend, Material UI, Front End Software Development - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815164182-fullstack-engineer ## About the Role * 3+ years commercial experience developing applications using C#/.NET * Exposure to React or a strong desire to develop React expertise * Experience working across both backend and frontend development * Knowledge of JavaScript, HTML and CSS * Experience working with SQL databases * TypeScript experience would be advantageous * Strong problem-solving and communication skills * Passion for building modern, scalable software solutions, * Hybrid working model * Excellent career progression opportunities * Exposure to modern technologies and large-scale digital transformation projects * Collaborative and supportive engineering culture * Ongoing learning and professional development This is an excellent opportunity for a Full Stack Engineer with strong .NET experience looking to further develop their React skills while joining a collaborative engineering team delivering modern web applications and contributing to a significant technology transformation programme. ## Description Full Stack Engineer (.NET / React) Belfast - Hybrid (3 Days Office / 2 Days Home) Competitive Salary + Excellent Benefits The Opportunity MCS Group are delighted to be partnering with a leading technology organisation as they seek to appoint a Full Stack Engineer to join their growing engineering team. This is an exciting opportunity to join an established software business currently undertaking a large-scale modernisation programme, migrating a portfolio of public-facing web applications from legacy technologies to a modern React-based architecture. The successful candidate will join a collaborative development team working on the evolution of an established component library and helping deliver scalable, high-quality web applications. This role offers the opportunity to work across both backend and frontend technologies while contributing to long-term product improvements and modern engineering practices. The Role As a Full Stack Engineer, you will work as part of a close-knit development team responsible for delivering and maintaining modern web applications used by a wide customer base. You'll primarily work with C#/.NET on the backend while contributing to React-based frontend development, collaborating closely with experienced engineers to build reusable components, improve development efficiency and support the ongoing migration to modern technologies. Responsibilities will include: * Developing and maintaining full stack web applications using C#/.NET and React * Contributing to the ongoing migration of legacy applications to modern technologies * Building and enhancing reusable React components and frontend functionality * Developing scalable backend services and APIs * Working closely with developers and technical leads to deliver high-quality software solutions * Writing clean, maintainable and well-tested code * Supporting continuous improvement across development processes and engineering practices * Collaborating with the wider engineering team on technical design and solution delivery What You Need * 3+ years commercial experience developing applications using C#/.NET * Exposure to React or a strong desire to develop React expertise * Experience working across both backend and frontend development * Knowledge of JavaScript, HTML and CSS * Experience working with SQL databases * TypeScript experience would be advantageous * Strong problem-solving and communication skills * Passion for building modern, scalable software solutions Package & Benefits * Hybrid working model * Excellent career progression opportunities * Exposure to modern technologies and large-scale digital transformation projects * Collaborative and supportive engineering culture * Ongoing learning and professional development This is an excellent opportunity for a Full Stack Engineer with strong .NET experience looking to further develop their React skills while joining a collaborative engineering team delivering modern web applications and contributing to a significant technology transformation programme. We are committed to providing reasonable accommodation to individuals with disabilities throughout the recruitment process. 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