C# Lead Developer / InsurTech

TechFocus Recruitment; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading tech recruitment firm is seeking a hands-on Lead Software Engineer for a collaborative development team in London. You will define and deliver software solutions and enhance existing systems while ensuring high quality and performance. Key skills include strong proficiency in C# and .NET, experience with Agile methodologies, and the ability to mentor junior developers. The role offers a chance to make a significant impact within a dynamic environment.

Qualifications

• Strong proficiency in C# and .NET software development.
• Experience across the full software development lifecycle.
• Solid understanding of object-oriented design and design patterns.
• Proven ability to design high-performance software architectures.

Responsibilities

• Collaborate with the Product Owner to deliver the product backlog.
• Implement application code following best practices.
• Develop unit tests and automated test cases.
• Mentor junior team members.

Skills

C#

.NET

Agile methodologies

Software engineering best practices

Version control systems

Cloud platforms

Tools

WPF

WinForms

Git

Job description

As a hands on Lead Software Engineer, you will be part of a highly skilled, collaborative development team working within Agile (Scrum) methodologies to build and maintain complex, high-quality software solutions.

This is a varied and challenging role in which you will play a key part in delivering new features and enhancing existing systems, while ensuring high standards of reliability, maintainability, usability, and performance.

Responsibilities

• Collaborate with the Product Owner to define, refine, and deliver the product backlog
• Design and document software solutions that meet both functional and non-functional requirements
• Implement and refactor application code (C#), following best practices for maintainability, testability, and performance
• Develop unit tests, test frameworks, and automated test cases
• Review and debug code to identify defects, performance issues, and technical debt
• Work closely with test engineers to ensure appropriate test coverage, including executing manual tests where required
• Participate in sprint planning, daily stand-ups, and retrospectives, contributing to continuous improvement of team processes and engineering practices
• Mentor junior team members and take a lead role across technical and delivery activities

Essential Skills and Experience

• Strong proficiency in C# and .NET software development
• Experience across the full software development lifecycle in a commercial or production environment
• Solid understanding of software engineering best practices, including object-oriented design, design patterns, SOLID principles, and Agile methodologies
• Experience with common development tools such as IDEs, version control systems, test automation, continuous integration, and backlog/defect tracking tools
• Ability to coordinate day-to-day development and defect resolution activities
• Proven ability to design high-performance, scalable, extensible, and maintainable software architectures
• Experience with GUI design and implementation using frameworks such as WPF or WinForms
• Awareness of current and emerging technologies, including their strengths and limitations
• Experience with Git-based workflows and CI/CD tooling
• Familiarity with unit and GUI test automation frameworks (e.g., MS Test or similar)
• Experience working with cloud platforms and services
• General domain knowledge of regulated or data-driven industries

Please apply asap if you think you would be a good fit

Lead Developer • London, England, United Kingdom