Lead Software Engineer - C#/.NET | Remote & AI-Driven Dev

Agilis Recruitment; Sheffield; Hybrid; GBP 70,000 - 75,000; Full time

Job summary

Agilis Recruitment is partnering with a global technology organisation to hire a Lead Software Engineer for C# / .NET expertise. The role spans Cheltenham Spa and remote work, focusing on building scalable backend services and API-driven microservices within AWS.

You will mentor engineers, drive code quality, and influence architectural decisions while advancing the platform with modern tools, AI-assisted development, and robust testing practices.

Qualifications

• Commercial Software Engineering experience with C# and .NET.
• Senior/Lead engineer with technical leadership experience.
• Experience building backend services and REST APIs.
• Understanding of event-driven, asynchronous or service-based architectures.
• Experience with relational databases, preferably PostgreSQL.
• Experience with automated testing, source control and code reviews.
• Ability to work from technical documentation and requirements.
• Practical experience using AI-assisted development tools.

Responsibilities

• Act as a Technical lead, mentoring other Engineers and performing code Reviews.
• Build and maintain production software using C# and .NET.
• Develop backend services, APIs and event-driven applications.
• Work with PostgreSQL and AWS cloud technologies.
• Contribute to microservices, integrations and distributed systems.
• Support UI development using Blazor where required.
• Write automated tests and participate in peer code reviews.
• Troubleshoot issues and support production systems.
• Translate requirements into technical tasks and contribute to delivery estimates.
• Use AI-assisted development tools, including GitHub Copilot, as part of the development process.

Skills

Microservices

AWS (Lambda/ECS/EC2)

Blazor

CI/CD

Docker

REST APIs

Observability

Secure coding

AI-assisted development tools

PostgreSQL

Tools

GitHub Copilot

PostgreSQL

Job description

Agilis Recruitment is partnering with a global technology organisation to hire a Lead Software Engineer for C# / .NET expertise. The role spans Cheltenham Spa and remote work, focusing on building scalable backend services and API-driven microservices within AWS.

You will mentor engineers, drive code quality, and influence architectural decisions while advancing the platform with modern tools, AI-assisted development, and robust testing practices.