Software Developer - Full Stack - C#, JavaScript, React Epsom £55,000 - £60,000 | Full-time, Permanent | Hybrid/Remote (after probation) No sponsorship offered The Opportunity Join a fast-growing UK SaaS company delivering innovative solutions to the Public Sector. We're looking for a Senior Software Developer who thrives on solving complex technical challenges in a collaborative environment. You'll be instrumental in designing, developing, and maintaining our flagship communication platform – a mature, trusted product serving thousands of users across government and local authorities. What You'll Do * Build and maintain high-quality software solutions that directly impact public services * Collaborate with cross-functional teams to define and deliver technical solutions * Drive best practices and participate in architectural decisions * Optimise application performance, security, and scalability * Mentor through code reviews and contribute to a culture of continuous improvement What We're Looking For Essential: * 5 years' software development experience (SaaS environment preferred) * Strong proficiency in .NET, C#, JavaScript, and TypeScript * Experience with modern frameworks (React/Angular/Vue.js and Node.js/.NET) * Solid knowledge of SQL and NoSQL databases * Familiarity with DevOps practices and CI/CD pipelines * Excellent problem-solving skills and ability to thrive in a fast-paced environment What's On Offer * Competitive salary up to £60,000 * Hybrid/remote working (after 3-month probation) * Health insurance (after 1st year) * Pension scheme * Flexible working hours * Clear career progression to Lead Developer roles * Continuous learning through mentorship and training * Central Epsom office (5 minutes from station) Ready to Make an Impact? If you're passionate about technology and want to work on solutions that matter to millions of UK citizens, we want to hear from you