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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Level Software Engineer - **Company:** 17918 - **Location:** Holland-on-Sea, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Microsoft Azure, C Sharp (Programming Language), Code Review, Databases, Windows Communication Foundation, Microsoft Software, Visual Basic .NET (Programming Language), Software Maintenance, Software Engineering, Software Systems, SQL Databases, TypeScript, Umbraco, Windows Forms, Stylesheet Language, ReactJS, Vue.js, AngularJS, Webforms - **Published:** August 3, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/42620302/ ## About the Role technologies. Writing clean, maintainable and well-documented code. Developing and consuming APIs. Working with SQL databases. Collaborating with developers, QA and stakeholders. Participating in code reviews and technical planning. Troubleshooting and resolving software issues. Contributing to continuous improvement and development best practices. Essential Skills: Commercial experience developing with C#. Strong knowledge of .NET 6-10 and .NET Framework 4.8. SQL. Experience with VB.NET. HTML, CSS and JavaScript. Experience with at least one modern JavaScript framework such as Vue.js, React, Angular or Lit. Desirable Skills: .NET WebForms or WinForms. TypeScript. Umbraco CMS. WCF. Azure DevOps. What's on Offer: Hybrid working (2 days per week) Competitive salary depending on experience. Supportive and collaborative engineering team. Modern Microsoft technology stack. Career development opportunities. Varied and interesting software projects. Excellent company benefits. If you're looking for a role where you'll have genuine ownership, exposure to a broad technology stack, and the opportunity to continue developing your skills within a growing software house, we'd love to hear from you. TPBN1_UKTJ ## Description Mid-Level Software Developer Location: Clacton, Essex (Hybrid - 2 days in the office) Salary: £35k+ One of our top clients, an established software house is looking to expand its development team with the addition of a Mid-Level Software Developer. This is an excellent opportunity to join a collaborative business where you'll work on a variety of client and product-focused projects, using modern Microsoft technologies while contributing across the full software development lifecycle. You'll be working alongside experienced developers in an agile environment, helping to design, develop and maintain high-quality software solutions. The Role: As a Mid-Level Software Developer, you'll be responsible for developing new functionality, maintaining existing applications, and contributing to technical discussions as part of a close-knit engineering team. Key responsibilities include: Designing, developing and maintaining software applications. 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