Lead Software Engineer

LEAD SOFTWARE ENGINEER – C# / .NET Cheltenham Spa / Remote £70k - £75k DOE Agilis Recruitment is proud to be partnering with an innovative global technology organisation at the forefront of developing sophisticated software platforms used to power complex, high-volume operations.

With continued growth across their Engineering function, this is an opportunity to join a forward-thinking team and play a key role in shaping the next generation of their core platform. You'll be working on modern, scalable software across C#/.NET, AWS, APIs, event-driven architecture and distributed systems, with genuine scope to influence how the platform evolves.

The business is also embracing AI-assisted engineering, giving developers access to modern tools and approaches to build better software, faster. 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.

Qualifications Commercial Software Engineering experience with C# and .NET Experience working as a Senior/Lead engineer acting as a technical Lead 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.

Required Skills Microservices. AWS Lambda, ECS or EC2. Blazor / MudBlazor. CI/CD. Docker. Observability, logging and monitoring. Secure coding and resilient application development. We value diversity and equal opportunity.

All applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, disability, age, or veteran status. If you do not hear back within 5 working days of your application, please assume you have been unsuccessful in this instance.

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