Senior Backend Engineer - C#/.NET | Hybrid FinTech

Client Server; Reigate; Hybrid; GBP 72,000 - 108,000; Full time

Benefits offered by this job

Hybrid working

Up to 90k base salary

Enhanced parental leave

25 days holiday

Pension (up to 10%)

Health care

Life Assurance

Training and career development

Social events

Other perks

Job summary

Client Server in Reigate, England is seeking a Backend Software Engineer with strong C# .NET desktop development expertise to join a FinTech focus. You will architect, design and implement features for complex, scalable systems.

The role offers hybrid working (3 days from home) with office presence in Reigate, plus attractive benefits and career development opportunities within a dynamic, global FinTech.

Qualifications

• Expertise with C# desktop development on large, scalable systems.
• Strong technical leadership experience and ownership of features.
• Advocate of clean, maintainable code and modern practices.
• Solid understanding of event-driven architecture and CS fundamentals.
• Knowledge of CI/CD, IaC, Azure, SaaS/PaaS, and microservices.
• Degree in a relevant STEM discipline.

Responsibilities

• Architect, design and develop new features and enhancements.
• Ensure security, reliability, maintainability, usability and performance.
• Collaborate with Product Owner and other teams; take technical ownership.
• Operate in an Agile environment with close collaboration.

Skills

C# desktop development

Leadership experience

OOP fundamentals

Design patterns

Unit testing

Collaborative / cross-team

Event-driven architecture

Education

Bachelor's degree in STEM

Tools

C# .NET Core

Azure

CI/CD

IaC

Job description

Client Server in Reigate, England is seeking a Backend Software Engineer with strong C# .NET desktop development expertise to join a FinTech focus. You will architect, design and implement features for complex, scalable systems.

The role offers hybrid working (3 days from home) with office presence in Reigate, plus attractive benefits and career development opportunities within a dynamic, global FinTech.