Software Developer (API Development / Backend – Node.js, C#, Fullstack)Birmingham, West Midlands (Hybrid – 1 day onsite a week)55k + BenefitsWe’re partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. They’re looking for a Software Engineer with strong API and backend development experience to work on complex, high-performing systems used by global clients.This Developer role offers the opportunity to build and enhance large-scale, data-driven applications with a focus on reliability, scalability, and performance.As a Software Engineer, you’ll take ownership of backend services and integrations, designing and developing robust APIs that power enterprise software products. You’ll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions.Key Responsibilities

• Design, build, and maintain RESTful APIs and backend systems.
• Develop high-quality, scalable code using Node.js and C#.
• Collaborate with product and engineering teams to define technical solutions.
• Ensure best practices in testing, deployment, and CI/CD.
• Optimise performance, security, and maintainability of backend services.
• Support occasional front-end integration using React (desirable, not essential).

Skills & Experience

• 4+ years’ commercial experience in backend/API development.
• Strong expertise in Node.js and C#.
• Solid understanding of REST API design and implementation.
• Experience with cloud computing and CI/CD pipelines.
• Knowledge of automated testing tools
• Familiarity with React or modern JavaScript frameworks (advantageous).
• Excellent problem-solving, collaboration, and communication skills.

Join a forward-thinking Software engineering team based in Birmingham, focused on quality and innovation, where you will work on high-impact enterprise software projects.Keywords: Software Developer, Backend Developer, API development, Rest Api, Node.js, C#.React, Fullstack, Birmingham, West MidlandsTo apply, please send your CV to Bethany at or call for more details.Follow us on Twitter: @erinassociatesErin Associates Ltd is acting as an Employment Agency in relation to this vacancy.