As a C# Developer / Technical Lead, you will steer a squad in architecture, delivery, and production operations while remaining hands-on in coding. You’ll own system design, API decisions, and code quality, collaborating with Product Managers on roadmaps. You’ll mentor engineers, drive continuous improvement, and champion AI-assisted development tools across the lifecycle. This role combines technical ownership with leadership to grow the team and deliver a modern payments platform.
Pay / Benefits
salary up to 95k
bonus
23 days holiday, rising to 28 + birthday off
pension
Life Assurance
Income Protection (disability) , Critical Illness Cover (unknown exact phrasing)
Responsibilities
Lead the squad across architecture, development, delivery and production operations while coding hands-on.
Own system architecture, API design, and key technical decisions; conduct design reviews and ensure code quality.
Partner with Product Managers on roadmaps, delivery plans and priorities.
Mentor engineers through 1-2-1s, feedback, and continuous improvement; set engineering standards.
Drive adoption of AI and agentic coding tools across the SDLC; implement modern techniques and process improvements.
Lead from the front with technical ownership and responsibility for team growth and delivery.
Key requirements
Strong backend development skills with C# .Net (or other OO languages)
Strong system design experience, especially for distributed systems and microservices
Frontend experience with Vue.js, React or modern Angular
Good knowledge of SQL and relational databases
Production AWS experience (SQS, DynamoDB, S3, ECS, Lambda)
Experience owning CI/CD and release processes (GitHub Actions)
Hands-on experience with Claude Code, Cursor, Copilot or similar AI tools
Collaborative and pragmatic communication; ability to explain technical decisions to engineers and business stakeholders
Payments, FX or regulated industry background advantageous
We use essential cookies to make this site work. With your permission we would also like to use the optional cookies below. Nothing optional is set until you choose, and you can change your mind at any time from "Cookie settings" at the bottom of every page. Cookie policy.
Essential — keep the site working and secure, and remember the choice you make here. Always on.