Senior Software Developer Clacton-on-Sea | HybridSalary: £50k+*Must have valid right to work, NO sponsorship provided for this role*A great client of mine, a leading technology company, is looking to hire a Senior .NET Developer to join their engineering team. This is a strong opportunity to work within a well-established business that values solid engineering, long-term thinking and gives senior developers real ownership over their work.With a complex, business-critical tech stack and a clear roadmap for improvement and modernisation, they're looking for someone confident working across both legacy and modern .NET environments.The roleDevelop and maintain applications using .NET Framework and .NET CoreBuild and support WinForms and WebForms applicationsDevelop front-end functionality using Vue.js 3Design and optimise databases using Microsoft SQL ServerDevelop and integrate services using SOAP, WCF and gRPCContribute to architectural discussions, code reviews and CI/CD pipelinesTroubleshoot, debug and optimise application performanceRequirementsStrong commercial experience with .NET Framework and .NET CoreHands-on experience with WinForms, WebForms and Vue.js 3Solid experience with MS SQL ServerExperience working with SOAP, WCF and gRPCGood understanding of software design principlesExperience with version control tools (Azure DevOps / Git)What's on offerHybrid workingA stable, tech-led business with long-term growth plansReal technical ownership and impactCompetitive salary and benefits #J-18808-Ljbffr