Lead Software Developer

Company: Arch Capital Group Ltd.
Apply for the Lead Software Developer
Location: City of Westminster
Job Description:

Lead Software Developer

2026-10-09T00:00:00

Location

Ladywood, West Midlands, GB, B16 8

Company

Arch Capital Group

2027-01-08T11:02:06.43

Company Culture

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.

Responsibilities

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.

Skills and Experience

  • Comprehensive understanding of C#
  • TDD, BDD, DDD
  • Ability to confidently discuss 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)

Summary Location

London, United Kingdom; Birmingham, United Kingdom

Job Type

Full time

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Posted: October 14th, 2026