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Arch Capital Group

Greater London / Global

Lead Software Developer

Job Description

Salary: £68,000 - 108,000 per year

Requirements:

Comprehensive understanding of C#
Experience with TDD, BDD, and DDD
Ability to confidently discuss architectural patterns and their trade-offs
Experience with SQL and NoSQL DBMS
Experience with a modern source control system, such as GitHub
Experience with a cloud platform, such as Azure or AWS
Event Sourcing experience is desirable
Experience with an AI platform, such as OpenAI, is desirable

Responsibilities:

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
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

Technologies:

AI
AWS
Azure
C#
Cloud
DDD
GitHub
NoSQL
SQL
TDD
DevOps

More:

We are a company rooted in collaboration, expertise, and innovation, and 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, and in short, we Enable Possibility. We are looking for someone who enjoys solving complex business problems, working with talented colleagues, and bringing an innovative mindset. This is a full-time role based in London or Birmingham, United Kingdom.

last updated 36 week of 2026

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