C# Developer - Up to £170,000 + Bonus + Package

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

Up to £170,000 + Bonus + Comprehensive Benefits

World-Renowned Hedge Fund

An elite FinTech client is looking to expand their high-performance engineering team with talented C# Developers. This is a rare opportunity to work in a cutting-edge financial technology environment, where innovation, collaboration, and technical excellence are core to everything they do.

You'll be working alongside some of the most accomplished technologists in the industry, within a business that places an extremely high value on engineering. With an unlimited technology budget, this team constantly invests in the best tools, infrastructure, and people to remain at the forefront of financial systems innovation.

• Elite Engineering Culture - Work with the brightest minds in finance and tech.
• Massive Tech Investment - Access the best tools, hardware, and resources.
• Flat, Agile Environment - Minimal bureaucracy, fast decision-making, and rapid deployment.
• High Impact Work - Your code will directly contribute to systems used globally for real-time financial trading and decision-making.
• Hybrid Flexibility - Work remotely part of the week while enjoying a vibrant London office culture.

What You'll Be Doing

• Building and maintaining highly scalable, low-latency systems used in real-time financial environments.
• Developing robust, efficient C#/.NET applications, with opportunities to contribute to design, architecture, and performance optimization.
• Collaborating across teams including Front Office, DevOps, and Quant Engineering.
• Gaining exposure to other modern technologies and paradigms - including distributed systems, microservices, and high-frequency data handling.
• Contributing to strategic platform decisions with direct exposure to key stakeholders and senior engineers.

Desired Skills & Experience

• Solid Computer Science fundamentals - including data structures, algorithms, and concurrency.
• 1+ years of professional development experience - open to candidates from fintech, banking, or other high-performance tech environments.
• Experience working on complex systems in a financial or mission-critical context is highly desirable.
• Familiarity with multithreading, asynchronous programming, and performance tuning is a strong plus.
• Comfortable working in a fast-paced, agile, and test-driven environment.

If you're a C# developer looking to elevate your career, and work on high-impact systems in a world-class FinTech environment, this is the role for you.