Senior Developer

Senior Full Stack Developer | C#/.NET | SaaS | Milton Keynes (Hybrid) Milton Keynes | 2 days onsite

We're working with a growing SaaS business in Milton Keynes that's investing heavily in the evolution of its flagship platform. As part of a major legacy modernisation programme, they're looking for a Senior Full Stack Developer to help shape the next generation of their product.

This is a hands‑on role within a collaborative Professional Services team, where you'll be working closely with clients and internal stakeholders to deliver scalable, modern solutions that make a real commercial impact.

• C#
• .NET
• SQL Server
• React or Vue.js

• Modernising and enhancing a mature SaaS platform.
• Building new features using modern development practices.
• Working directly with clients to understand requirements and deliver technical solutions.
• Collaborating with Product, Professional Services and Engineering teams.
• Influencing technical decisions and contributing to the future architecture of the platform.
• 5+ years' commercial full stack development experience.
• Strong C#/.NET and SQL skills.
• Excellent communication skills and confidence working with client stakeholders.
• Someone who enjoys solving complex problems and takes ownership from design through to delivery.

If you're looking for a role where you can have genuine influence, work closely with customers, and play a key part in modernising a successful SaaS product, we'd love to hear from you.