MS3 Networks Limited

About the Company

MS3 is a fibre network operator based in the Kingston-upon-Hull area with plans to pass over 500,000 homes and businesses with full-fibre. As a wholesale-only provider, MS3 will enable its existing and future ISP clients to provide up to 10Gb connections to end-customers, building on their existing fibre ring through Hull and to
more than 30 other locations in the region.

Listed Jobs

Company Name

MS3 Networks Limited

Job Title

Software Developer

Job Description

**Job Title:** Software Developer **Role Summary:** Design, develop, and maintain .NET-based platforms and services that support the fibre network, partner integrations, and customer-facing applications. Own end‑to‑end delivery from requirement analysis to deployment and production support, collaborating closely with the Technical Director and cross‑functional teams. **Expectations:** - Deliver high‑quality, scalable code in a fast‑paced environment. - Take full ownership of assigned features, ensuring timely delivery and quality standards. - Communicate architecture decisions and progress clearly to stakeholders. **Key Responsibilities:** - Gather and analyse functional requirements, translate them into technical designs and specifications. - Develop, test, and deploy services using .NET, C#, and RESTful APIs. - Implement database solutions and queries using SQL Server; maintain data integrity and performance. - Build and maintain Azure‑based infrastructure and services (e.g., App Service, Function Apps, Logic Apps). - Write clean, maintainable code following best practices and security guidelines. - Participate in code reviews, unit testing, and integration testing. - Troubleshoot and resolve production incidents, providing timely support. - Contribute to continuous integration/continuous delivery (CI/CD) pipelines and infrastructure as code. - Collaborate with front‑end developers on API contracts and data contracts. - Stay current with emerging technologies relevant to ISP/telecom contexts. **Required Skills:** - Strong experience with .NET (Core / Framework) and C#. - Hands‑on knowledge of building and exposing RESTful APIs. - Proficiency in SQL Server design, query optimisation, and database administration. - Working experience with Python and familiarity with its ecosystem. - Exposure to JavaScript, MVC, or web frameworks (e.g., ASP.NET MVC, Angular, React). - Experience developing or deploying to Microsoft Azure services. - Basic understanding of CI/CD, Docker, and cloud‑native patterns. - Ability to work independently and as part of a small, high‑impact team. - Excellent written and verbal communication skills. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - Relevant certifications (e.g., Microsoft Certified: Azure Developer Associate, Microsoft Certified: .NET Developer) are advantageous but not mandatory.

Hessle, United kingdom

Hybrid

04-02-2026