C# Tech Lead & Hands-on Architect (AWS/.NET)

Client Server Limited; Bracknell; Hybrid; GBP 80,000 - 95,000; Full time

Job summary

Client Server Limited is seeking a C# Developer / Technical Lead to drive architecture, delivery and production support for a global financial services platform. You will remain hands-on while leading a squad, owning API design and technical decisions, and guiding code quality.

You will mentor engineers, foster collaboration with Product Managers on roadmaps, and champion AI tools across the SDLC. The role offers hybrid work with Bracknell office collaboration twice weekly.

Qualifications

• Strong technical/team leadership within a software engineering team.
• Backend development with C# .Net; distribution and microservices experience.
• Experience designing APIs, system architecture and code quality standards.
• Frontend exposure with Vue.js, React or Angular and SQL proficiency.
• Experience with AWS services (SQS, DynamoDB, S3, ECS, Lambda) is a plus.

Responsibilities

• Lead the squad across architecture, development, delivery and production operations while remaining hands-on.
• Own system architecture, API design, technical decisions and code quality.
• Collaborate with Product Managers on roadmaps, delivery plans and priorities.
• Provide mentoring, 1-2-1s and feedback to engineers and drive continuous improvement.
• Champion AI/agentic coding tools across the SDLC and drive process improvements.

Skills

Technical leadership

C# / .Net

SQL

AWS

Distributed systems

Vue.js

React

Angular

GitHub Actions

AI tools

Tools

Claude Code

Cursor

Copilot

GitHub Actions

Job description

Client Server Limited is seeking a C# Developer / Technical Lead to drive architecture, delivery and production support for a global financial services platform. You will remain hands-on while leading a squad, owning API design and technical decisions, and guiding code quality.

You will mentor engineers, foster collaboration with Product Managers on roadmaps, and champion AI tools across the SDLC. The role offers hybrid work with Bracknell office collaboration twice weekly.