IT & Software

C# Developer / Technical Lead .Net - FinTech

Client Server

Reigate · Surrey · United Kingdom

Overview

As a Senior C# Developer / Technical Lead in a global fintech, you will guide three Agile teams building the flagship desktop insurance platform that handles billions of requests monthly. You will architect, design and implement features while promoting security, reliability and performance. You’ll collaborate with Product Owner and other teams, owning technical directions within an Agile, continuous-improvement culture. This role blends hands-on development with architectural influence, offering meaningful impact in a scale-rich environment. Hybrid work and cross-team collaboration fuel your day-to-day impact.

Pay / Benefits
  • Up to 100k salary
  • bonus potential (~20%)
  • hybrid working
  • enhanced parental leave
  • 25 days holiday (+ buy days + birthday off)
  • pension (up to 10%)","health care and life assurance","training and career development
Responsibilities
  • Lead three Agile teams (~10 engineers) on a flagship desktop platform
  • Architect, design and develop new features and enhancements
  • Ensure security, reliability, maintainability, usability and performance
  • Collaborate with Product Owner and other teams; provide technical ownership in Agile environment
  • Influence design choices and promote continuous improvement
Key requirements
  • C# .Net Core backend development experience
  • Experience with large, scalable systems
  • Strong technical leadership (ownership of features)
  • Collaborative and pragmatic, able to influence senior engineers
  • Knowledge of modern Microsoft software engineering practices
  • Understanding of event-driven architecture
  • Understanding of CI/CD and Infrastructure as Code (IaC)
  • Appreciation of Azure, SaaS, PaaS, microservices
  • Degree in a STEM field (e.g., Computer Science) or equivalent
  • Strong CS fundamentals (OOP, data structures, design patterns, algorithms)
  • collaborative
  • pragmatic
  • influential
  • C#
  • .Net Core
  • desktop application architecture

Reference: WJ-747_31244960 · Posted 08 Nov 2026, 12:30 AM

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