Technical Lead​/Architect (.NET

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

A market-leading organisation is seeking a Technical Lead / Architect to drive the technical direction of two software development teams delivering a shared product suite within a unified framework.

This position is ideal for a technical leader with strong expertise in C# and the .NET framework, able to design secure and scalable architectures while remaining close to delivery. You will play a central role in modernising legacy platforms, supporting the rollout of new functionality, and ensuring technical decisions align with user needs and wider business objectives. With a strong customer focus, you will help shape requirements, influence product direction, and support solutions deployed across a growing global customer base.

• Design, develop, and support software solutions using the .NET framework
• Own architectural decisions and provide technical leadership across multiple teams
• Collaborate with stakeholders to gather, analyse, and translate requirements
• Lead code reviews, promote best practices, and mentor development teams
• Create and maintain technical documentation, including specifications and design standards
• Define and deliver long‑term strategies for modernising and evolving a legacy codebase
• Work closely with QA, Sales, and other internal teams to support successful delivery
• Take part in occasional customer site visits, including potential international travel, to support deployments and gather product insight

• 5+ years’ experience designing and delivering solutions using the .NET framework
• Strong background in architecting secure, scalable, and high‑performing systems
• Hands‑on development experience with C# and modern .NET technologies
• Ability to translate business and user needs into clear technical solutions
• Experience conducting code reviews and setting development standards
• Proven experience modernising legacy systems and defining long‑term technical direction
• 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

• Experience with tools such as Azure Dev Ops, Jira, Confluence, or similar
• Knowledge of API‑driven and microservices‑based architectures
• Exposure to Azure services and cloud‑based development environments
• Understanding of CI / CD pipelines and automation practices

• Competitive holiday allowance including bank holidays, increasing with length of service
• Annual team‑building weekend for employees and their families
• Private medical insurance
• Company pension scheme
• Death‑in‑service benefit
• Access to a range of lifestyle and wellbeing benefits
• On‑site health and fitness facilities
• Cycle‑to‑Work scheme