Senior Software Developer - .NET / React

Senior Software Developer - .NET£40,000 - £60,000 + Bonus + Excellent BenefitsHybrid / West Yorkshire

Looking for your next step as a Senior Developer with strong API expertise? This well-established organisation is investing heavily in tech and needs a confident engineer to help lead the way with their cloud-first, microservices-based systems.

You'll be involved in shaping development standards, mentoring others, supporting third-line issues, and leading the design of scalable, secure APIs using .NET and Azure.

What you'll be doing:

• Leading API development and integration work in a microservices environment
• Designing and delivering .NET-based services that are reliable, secure, and scalable
• Setting and maintaining development standards across the team
• Working closely with stakeholders to understand requirements and troubleshoot issues
• Taking ownership of solution design, technical documentation, and governance
• Keeping an eye on innovation and emerging tech to improve systems and services

Tech stack and experience we're looking for:

• Strong C# / .NET (ideally .NET 8)
• Azure cloud and microservices know-how
• Proven experience with API development and integration
• SQL Server (including T-SQL, SSIS, etc.)
• Solid understanding of architecture and system design principles
• Comfortable with the full software development lifecycle
• Clear communicator and confident working with technical and non-technical colleagues

Nice to have:

• Front-end knowledge (React ideally)
• Exposure to integration platforms (e.g. Mulesoft or similar)
• Background in utilities, manufacturing, or regulated industries

Perks include:

• Strong pension and bonus scheme
• Extra wellness days and flexible benefits
• Health perks, retail discounts, cycle to work scheme, and more

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.