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Base pay range
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We are partnered with a leading Investment firm in London that offer trade and risk management services to their customer base.
This is an opportunity to join a front office technology team driving a major transformation within a global trading environment. The position available is a server-side developer with a strong background in C# development and FIX connectivity, to help build and maintain cutting-edge systems critical to their real-time trading operations.
The role is an opportunity to contribute to a wider technology modernisation initiative as they expand into Python-based microservices and leverage the power of Azure Cloud.
About the Role
As part of a fast-paced Front Office development group, you'll play a key role in building high-throughput, low-latency server-side applications that interface directly with financial exchanges.
This is a hands-on role reporting directly to the Front Office Tech Lead and offers significant exposure to financial markets, modern cloud-native development, and a collaborative DevOps-driven culture.
Key Responsibilities
* Develop microservices using C# and contribute to new Python service development as part of the broader transformation roadmap.
* Deliver performant FIX connectivity to financial exchanges (e.g., LME, ICE, Ffastfill).
* Design, build, and maintain scalable backend services in Azure.
* Write secure, clean, well-tested code and maintain high engineering standards.
* Work collaboratively with business and technical stakeholders to implement and deliver new features.
* Deploy and manage containerized workloads using Docker and Kubernetes.
* Participate in peer code reviews, troubleshooting, and production support.
* Contribute to a DevOps culture leveraging Azure DevOps, CI/CD pipelines, and infrastructure-as-code.
* Languages: C#, Python, PowerShell
* Protocols: FIX (OnixS engine experience is a bonus)
* Authentication: Entra ID, JWT
* Other Tools: Jira, Confluence, Octopus Deploy, SonarCloud
Ideal Candidate
You are a motivated and detail-oriented developer with experience working in financial services or a similarly demanding domain. You have proven experience in delivering backend systems with FIX protocol integration, and you're ready to contribute to a modern, cloud-based transformation journey that includes adopting Python microservices.
* Exposure to trading or commodities platforms.
* Experience with FDC3 or desktop interoperability standards.
* Awareness of modern frontend frameworks (React, HTML/CSS) is a plus.
What’s in it for you?
* Be at the forefront of a technology transformation programme in the financial domain.
* Work closely with experienced engineers and traders in a collaborative and agile environment.
* Deliver impactful solutions with direct business value in a flat, fast-moving team.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Information Technology and Engineering
* Industries
Financial Services, Oil, Gas, and Mining, and Investment Banking
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