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# Senior Software Engineer (C# .NET)

- **Company:** Transparency Technology
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £80,000.0 - £100,000.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Agile Methodology, Amazon Web Services, C Sharp (Programming Language), Code Review, Continuous Integration, Distributed Systems, Software Architecture, Software Maintenance, Cloud Platform System, .NET Core, Technical Debt, Solid Principles, Microservices
- **Published:** September 19, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5889424034

## About the Role

* Strong commercial experience with C# and .NET
 * Experience with ASP.NET / .NET Core
 * Experience building microservices or distributed systems
 * Strong understanding of software architecture and design principles
 * Experience with AWS or another major cloud platform
 * Experience developing scalable and resilient applications
 * Good understanding of SOLID principles, testing and CI/CD
 * Experience working in an Agile environment
 * Strong problem-solving and communication skills

Experience within financial services, fintech or another regulated environment would be beneficial but isn't essential., If you're a Senior .NET Engineer who enjoys solving complex technical problems and building scalable systems, we'd be keen to hear from you.

## Description

This is a hands-on engineering role where you'll be involved in:

 * Designing and developing scalable, performant and maintainable software
 * Building services using C# and .NET
 * Working with microservices and distributed systems
 * Contributing to architectural and technical decisions
 * Working with AWS and modern DevOps tooling
 * Writing clean, well-tested code and participating in code reviews
 * Identifying technical debt and driving improvements
 * Troubleshooting complex technical issues
 * Working closely with Product, BA and wider stakeholders
 * Supporting and mentoring other engineers where appropriate


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