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# Lead Software Developer

- **Company:** Arch Capital Group Ltd.
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Software Applications, Architectural Patterns, Microsoft Azure, C Sharp (Programming Language), Databases, Software Debugging, Github, NoSQL, Software Engineering, SQL Databases, Cloud Platform System, AI Platforms, Event Sourcing, Software Version Control
- **Published:** July 2, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=92ae8ce80a38bfe1

## About the Role

Comprehensive understanding of:

 * C#
 * TDD, BDD, DDD
 * Able to confidently discuss the various architectural patterns with a good understanding of trade-offs
 * Experience with SQL and NoSQL DBMS
 * Modern source control system (for example GitHub)
 * Experience with a cloud platform (Azure/AWS)
 * Event Sourcing (desirable)
 * Experience with an AI platform (OpenAI), (desirable)

## Description

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility .

Technical Guidance:

 * Provide technical guidance and leadership in the design and development of software applications using C#.
 * Ensure the application of best practices in coding, testing, and maintenance.
 * Stay updated with the latest developments in C# and related technologies.

Software Development:

 * Design, code, test, debug, and document complex applications and systems.
 * Optimize and refactor existing code to improve performance and maintainability.
 * Collaborate with other team members to integrate systems and solutions.


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