Lead C# Engineer

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. 

The Role:

• 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

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The Requirements:

The essential skills/experience for this position are:

• 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.

Enjoy a benefits package designed to help you thrive, both professionally and personally. You'll receive 25 days of annual leave plus an extra WTW day to relax and recharge. Our comprehensive health and wellbeing offering includes private healthcare, life insurance, group income protection, and regular health assessments, all giving you peace of mind. Secure your future with our defined contribution pension scheme, featuring matched contributions up to 10% from the company.

We support your growth and balance with hybrid working options, access to an employee assistance programme, and a fully paid volunteer day to make a difference in your community. On top of these, you can opt into a variety of additional perks including an electric vehicle car scheme, share scheme, cycle-to-work programme, dental and optical cover, critical illness protection, and much more. Start making the most of your career and wellbeing with a range of benefits tailored for you.

At WTW, we believe difference makes us stronger. We want our workforce to reflect the different and varied markets we operate in and to build a culture of inclusivity that makes colleagues feel welcome, valued and empowered to bring their whole selves to work every day. We are an equal opportunity employer committed to fostering an inclusive work environment throughout our organisation. We embrace all types of diversity.

We're committed to equal employment opportunity and provide application, interview and workplace adjustments and accommodations to all applicants. If you foresee any barriers, from the application process through to joining WTW, please email  

(ICT_TECH TD_2025_50R)