C# Developer — Real-Time FinTech, Hybrid/Remote

Hunter Bond; Greater London; Hybrid; GBP 153,000 - 187,000; Full time

Benefits offered by this job

Elite Engineering Culture

Massive Tech Investment

Flat, Agile Environment

High Impact Work

Hybrid Flexibility

Job summary

Hunter Bond in the United Kingdom is seeking high-caliber C# developers to join a world-class FinTech engineering team. You will design, build, and optimize low-latency C#/.NET systems used for real-time financial trading, with an emphasis on scalability, performance, and collaboration with Front Office, DevOps, and Quant teams.

The role offers exposure to an unlimited technology budget, top-tier tools, and a hybrid work setup, blending London office culture with remote work flexibility.

Qualifications

• Solid CS fundamentals including data structures, algorithms, and concurrency.
• 1+ years of professional development in fintech or high-performance tech environments.
• Experience with complex financial or mission-critical systems is highly desirable.
• Familiarity with asynchronous programming and performance optimization is a plus.
• Comfortable in a fast-paced, test-driven environment.

Responsibilities

• Build and maintain highly scalable, low-latency systems used in real-time financial environments.
• Develop robust C#/.NET applications with opportunities to contribute to design and performance.
• Collaborate across Front Office, DevOps, and Quant Engineering teams.
• Explore distributed systems, microservices, and high-frequency data handling.
• Contribute to platform decisions with exposure to senior engineers.

Skills

C#

NET

Multithreading

Performance tuning

FinTech experience

Agile

Fast-paced environment

Real-time systems

Job description

Hunter Bond in the United Kingdom is seeking high-caliber C# developers to join a world-class FinTech engineering team. You will design, build, and optimize low-latency C#/.NET systems used for real-time financial trading, with an emphasis on scalability, performance, and collaboration with Front Office, DevOps, and Quant teams.

The role offers exposure to an unlimited technology budget, top-tier tools, and a hybrid work setup, blending London office culture with remote work flexibility.