Software Developer / Team Lead C# .NET

Company: Client Server Limited
Apply for the Software Developer / Team Lead C# .NET
Location: Newell Green
Job Description:

Salary: £95,000 – 95,000 per year

Requirements

  • Strong experience providing technical or team leadership within a software engineering team
  • Strong backend development skills with C# .NET; experience with other object-oriented languages may also be considered
  • Strong system design experience, particularly with distributed systems and microservices
  • Frontend experience with Vue.js, React, or modern Angular
  • Good knowledge of SQL and relational databases
  • Production experience with AWS, ideally including SQS, DynamoDB, S3, ECS, and Lambda
  • Experience owning CI/CD and release processes, such as GitHub Actions
  • Hands-on experience with Claude Code, Cursor, Copilot, or similar agentic tools, and a clear view of effective AI adoption
  • Collaborative and pragmatic approach, strong communication skills, and the ability to explain technical decisions to engineering and business stakeholders
  • Experience in payments, FX, or another regulated industry is beneficial

Responsibilities

  • Lead a squad across architecture, development, delivery, and production operations while remaining hands-on with production code and complex technical challenges
  • Own system architecture, API design, technical decisions, design reviews, and code quality
  • Partner with Product Managers on roadmaps, delivery plans, and priorities
  • Provide technical leadership, mentoring, one-to-ones, and feedback to support engineers development
  • Drive continuous improvement and set standards for how the team builds, tests, and ships software
  • Champion AI and agentic coding tools across the software development lifecycle and drive process improvements and modern techniques

Technologies

  • AI
  • API
  • AWS
  • Lambda
  • Angular
  • Backend
  • C#
  • CI/CD
  • Claude Code
  • Copilot
  • Cursor
  • Frontend
  • GitHub
  • Support
  • React
  • SQL
  • Vue
  • microservices
  • ASP.NET
  • Cloud

More

We are a global financial services company rebuilding our international payments platform within our Corporate Payments division. This senior Software Developer / Team Lead role combines technical ownership, hands-on development, and responsibility for team growth. The position is based in Bracknell, with the option to work from home most of the time and join colleagues in our office twice a week. We offer a salary of up to £95,000, a bonus, 23 days of holiday rising to 28, a day off for your birthday, pension, life assurance, income protection, critical illness cover, and healthcare.

last updated 40 week of 2026

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Posted: October 6th, 2026