C# developer in fintech

Hunter Bond; Greater London; Hybrid; GBP 102,000 - 170,000; Full time

Benefits offered by this job

Bonus

Comprehensive Benefits

Hybrid work in London

Job summary

Hunter Bond in London is seeking elite C# Developers to join a high-performance FinTech engineering team. You will build and maintain scalable, low-latency systems used in real-time trading and contribute to design, architecture, and performance optimization.

The role offers an exceptional engineering culture with significant tech investment, hybrid work, and exposure to front-office and quant engineering. Ideal candidates have strong C#/.NET skills, CS fundamentals, and 1+ years in fintech or

Qualifications

• Strong C# / .NET programming skills – write clean, performant, maintainable code.
• Solid Computer Science fundamentals – data structures, algorithms, concurrency.
• 1+ years of professional development experience in fintech or high-performance tech.
• Comfortable in fast-paced, agile, test-driven environment.
• Experience with multithreading, asynchronous programming, performance tuning is a plus.

Responsibilities

• Build and maintain scalable, low-latency systems for real-time financial environments.
• Develop robust C#/.NET applications with design/architecture input and performance optimization.
• Collaborate across Front Office, DevOps, and Quant Engineering teams.
• Exposure to distributed systems, microservices, and high-frequency data handling.
• Contribute to strategic platform decisions with stakeholders and senior engineers.

Skills

C# / .NET

CS fundamentals

Concurrency

Agile

Multithreading

Async programming

Job description

Описание:

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.

Задачи:

• 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.

Требования:

• Strong C# / .NET programming skills – writing clean, performant, maintainable code.


• 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.


• Comfortable working in a fast-paced, agile, and test-driven environment.


• Будет плюсом: 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

Условия:

• Up to £170,000 + Bonus + Comprehensive Benefits


• 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.