Technical Lead​/Architect (.NET

Technical Lead / Architect (.NET) – Chesterfield – New (REF
50)

A market‑leading organisation is looking to appoint a Technical Lead / Architect to help shape the technical direction of two software development teams working on a shared product suite within a common framework.

This role suits a technical leader with strong expertise in C# and the .NET framework
, capable of designing secure, scalable architectures while providing day‑to‑day technical leadership. You will play a key role in modernising legacy systems, supporting the delivery of new features, and ensuring technical decisions align closely with both user needs and wider business goals. With a strong customer focus, you will contribute to requirement definition, influence product direction, and support solutions used within a growing global market.

• Design, build, and maintain software solutions using the .NET framework.
• Define system architecture and provide technical leadership across multiple teams.
• Work closely with stakeholders to gather, analyse, and refine requirements.
• Lead code reviews, set coding standards, and mentor developers.
• Produce clear technical documentation, including specifications and design patterns.
• Develop and own long‑term strategies for evolving and modernising a legacy codebase.
• Collaborate with QA, Sales, and other internal teams to support delivery.
• Participate in occasional customer site visits, including potential international travel, to support installations and gather feedback.

• 5+ years’ experience designing and delivering solutions using the .NET framework.
• Strong experience architecting scalable, secure, and high‑performance systems.
• Hands‑on development experience with C# and modern .NET technologies.
• Ability to translate business and user requirements into robust technical designs.
• Experience leading code reviews and establishing best‑practice standards.
• Proven experience modernising legacy systems and defining long‑term technical roadmaps.
• Experience with at least two of the following:
  • ORM frameworks (NHibernate, Entity Framework, etc.)
  • SQL Server or other relational databases (e.g., MySQL, Postgre
    
    SQL)
  • Dev Express components
  • Familiarity with tools such as Azure Dev Ops, Jira, Confluence, or similar
  • Experience designing or working with APIs and microservices architectures
  • Exposure to Azure services and cloud‑based development
  • Understanding of CI/CD pipelines and automation practices

• Competitive holiday allowance including bank holidays, with additional leave increasing with service.
• Annual team‑building weekend for employees and their families.
• Private medical cover.
• Company pension scheme.
• Access to a range of lifestyle and wellbeing benefits.
• On‑site health and fitness facilities.