Technical Lead / Architect (.NET) – Rotherham – New (REF50)

RedRock Resourcing; Rotherham; On-site; GBP 80,000 - 100,000; Full time

Job summary

A market-leading organization in Rotherham is seeking a Technical Lead / Architect to drive the technical direction of two software development teams. The role involves designing secure architectures and modernizing legacy platforms while being closely involved in delivery. Candidates should have strong expertise in C# and .NET, with proven hands-on experience and the ability to influence product direction. Competitive benefits include private medical insurance and a cycle-to-work scheme.

Benefits

Competitive holiday allowance

Private medical insurance

Company pension scheme

On-site health and fitness facilities

Cycle-to-Work scheme

Qualifications

• 5+ years of experience designing and delivering solutions using the .NET framework.
• Strong hands-on development experience with C# and modern .NET technologies.
• Proven experience modernising legacy systems and defining long-term technical direction.

Responsibilities

• 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 and translate requirements.

Skills

C#

.NET framework

Architecting secure and scalable systems

Code reviews

ORM frameworks

SQL Server

Tools

Azure DevOps

Jira

Confluence

Job description

Technical Lead / Architect (.NET) – Rotherham – New (REF50)

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.

Duties & Responsibilities

• 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

Skills & Experience (Essential)

• 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, PostgreSQL)
  • DevExpress components

Desirable

• Experience with tools such as Azure DevOps, 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

Rewards & Benefits

• 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