C# & Kubernetes Engineer – Contract

JR United Kingdom; City Of London; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

A leading data analytics and machine learning firm in London is seeking a C# & Kubernetes Engineer for a 12-month contract. You will design core APIs, modernize tooling, and work in a cutting-edge environment focused on trading infrastructure. This role offers collaboration with top tech minds and a flexible hybrid work model.

Benefits

Flexible hybrid model

Work on greenfield projects

Exposure to modern quant systems

Qualifications

• Experienced software engineer with strong C# skills.
• Comfortable working across backend infrastructure.
• Passionate about clean, scalable software.

Responsibilities

• Design and build core APIs that standardise internal service boundaries.
• Modernise internal tooling and improve developer experience.
• Enhance performance, automate, and improve infrastructure reliability.

Skills

C#

Backend Infrastructure

Clean Software

Tools

.NET

PostgreSQL

Golang

Job description

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C# & Kubernetes Engineer – Contract, london (city of london)

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Client:

Stanford Black Limited

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

1

Posted:

23.05.2025

Expiry Date:

07.07.2025

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Job Description:

My client is a cutting-edge data analytics and machine learning house, with an obsessive focus on research and large-scale data processing. Since redirecting their research firepower toward financial markets, they’ve built one of the most advanced and successful proprietary trading firms globally.

They are hiring exceptional Software Engineers to help drive a major uplift across their internal API and service infrastructure. This is an opportunity to join an environment where engineering is the business, and you’ll be building the foundations of a world-class trading platform with the smartest people in the industry.

What You’ll Do

You’ll join a cross-functional engineering team, working to:

• Design and build core APIs that standardise internal service boundaries
• Surfacing services via their developer portal
• Modernise internal tooling and improve developer experience
• Enhance performance, automate, and improve infrastructure reliability
• You’ll get to work across a modern stack in a highly autonomous environment where technical quality is everything

Tech Stack You’ll Use

• Languages: C#, Golang
• Frameworks: .NET
• Data: PostgreSQL, experience with streaming services highly desired

Who You Are

• A pragmatic, experienced software engineer with strong C# skills
• Comfortable working across backend infrastructure
• Passionate about clean, scalable software and the developer experience
• Curious, sharp, and capable of working in a fast-moving trading environment

Why Apply?

• Work on greenfield projects with massive impact
• Collaborate with some of the top minds in tech and quantitative research
• Use the best tools available in a highly automated engineering culture
• Flexible hybrid model with a long-term, 12-month contract
• Unrivalled exposure to modern quant systems without the finance red tape

Apply now to help build the future of trading infrastructure at one of the sharpest quant firms in Europe.