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# Lead C# Engineer

- **Company:** WTW
- **Location:** Reigate, UK
- **Experience:** Expert
- **Salary:** £70,567.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Automation of Tests, Unit Testing, Microsoft Azure, Software Bug Management, C Sharp (Programming Language), Cloud Computing, Code Coverage, Software Quality, Continuous Integration, Software Debugging, Software Design Patterns, Design of User Interfaces, Graphical User Interface Testing, Windows Presentation Foundation, Object-Oriented Software Development, Scrum Methodology, Software Architecture, Software Tools, Mstest, Software Engineering, Software Systems, Windows Forms, Application Enhancement Tool, GitHub Copilot, Technical Debt, Git, System-level Testing, Solid Principles, Information Technology, Extreme Programming, Software Version Control
- **Published:** November 4, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5952103561

## About the Role

* Proficient in software development using C# .NET
 * Experience with the full software development lifecycle in a commercial/production environment: requirements capture and analysis, estimation, detailed software design, implementation, unit and system-level testing, installation and deployment, maintenance
 * Experience with software engineering best practices: object-oriented design and implementation, design patterns, SOLID principles, Agile and Extreme Programming methodologies
 * Experience with software development tools: IDE's, version control, test automation, continuous integration, defect and backlog management systems
 * Ability to coordinate day-to-day development and bug fixing activities
 * Ability to design high-performance, scalable and extensible software architectures which are also easy to test, debug and maintain
 * GUI design/implementation, knowledge of standards and frameworks such as WPF or WinForms
 * Appreciation of current and emerging technologies along with their potential benefits and limitations
 * Azure DevOps and Git
 * Experience of unit and GUI test automation frameworks such as MS Test
 * Azure and Cloud Technologies
 * Passion for maths, statistics and complex algorithms
 * General knowledge of the Insurance Industry
 * Degree-educated with Computer Science, Engineering, Mathematics or relevant discipline

Other highly desirable, but not essential skills are:

Passion for leveraging AI-powered tools such as GitHub Copilot to accelerate development, improve code quality, and enhance productivity.

## Description

As a Lead Software Engineer, you will work as part of a highly-skilled and close-knit development team following Scrum methodologies to develop market-leading insurance pricing solutions. This is a varied and challenging opportunity where you will play a key role creating new product features and enhancing existing code, whilst ensuring the product continues to meet high levels of reliability, maintainability, usability and performance., * Working with the Product Owner to define, refine and deliver the product backlog

 * Designing and documenting software solutions meeting functional and non-functional requirements
 * Implementing and refactoring product code (C#), following best practices for maintainability, testability and performance
 * Implementing unit tests, developing test frameworks and associated automated test cases
 * Reviewing and debugging code to identify defects, performance bottlenecks or technical debt
 * Working closely with test engineers to guarantee suitable test coverage, identifying and executing manual tests if necessary
 * Participating in sprint planning meetings, daily stand-ups and sprint retrospectives, striving to continuously improve the team velocity, its processes and engineering practices
 * Mentoring junior members of the team and taking a lead role for some of the above activities