Senior AI Rust Engineer (C#, Platform Migration) in London

Senior AI Rust Engineer (C#, Platform Migration) in London

London Full-Time 60000 - 80000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Build and scale a high-performance trade management platform using Rust and C#.
  • Company: Join a globally active investment firm with a focus on innovation.
  • Benefits: Competitive salary, remote work options, and opportunities for professional growth.
  • Other info: Dynamic team with a focus on AI-assisted engineering and career advancement.
  • Why this job: Work on cutting-edge technology and make a real impact in finance.
  • Qualifications: 5+ years in performance-sensitive environments and strong Rust experience required.

The predicted salary is between 60000 - 80000 £ per year.

We're hiring a Senior Software Engineer for a globally active, multi‑asset investment firm to build and scale a high‑throughput, performance‑critical trade management platform. You'll join a core systems team running distributed, event‑driven infrastructure processing hundreds of millions of events daily. Development is primarily in Rust, with continued work in C#/.NET as the platform is actively migrated. The team places a strong emphasis on production‑grade, AI‑assisted engineering.

What you'll do:

  • Build low‑latency, multithreaded Rust services at global scale
  • Maintain and evolve existing C#/.NET services during the migration to Rust
  • Architect and operate resilient, observable distributed systems
  • Use AI coding agents to accelerate delivery, owning quality and correctness end‑to‑end
  • Optimise latency, throughput, memory usage, and cloud cost

What we're looking for:

  • 5+ years' experience in performance‑sensitive production environments
  • Strong, hands‑on Rust experience in production (mandatory)
  • Practical use of AI development tools beyond basic code completion
  • Recent experience in C#/.NET
  • Distributed systems, async/concurrency, and Cloud experience (ideally AWS)

Nice to have:

  • Exposure to financial systems or trading workflows

Feel free to apply for more information.

Senior AI Rust Engineer (C#, Platform Migration) in London employer: Selby Jennings

As an Investment Banking M&A Associate in the Industrials sector, you will thrive in a dynamic and collaborative environment that prioritises professional growth and development. Our firm offers comprehensive training, mentorship from experienced Directors and Managing Directors, and exposure to high-profile transactions that enhance your expertise in the industry. Located in a vibrant financial hub, we foster a culture of innovation and teamwork, ensuring that every employee feels valued and empowered to make a meaningful impact.

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Contact Details:

Selby Jennings Recruitment Team

We think you need these skills to ace Senior AI Rust Engineer (C#, Platform Migration) in London

Rust
C#/.NET
Distributed Systems
Event-Driven Infrastructure
AI Development Tools
Performance Optimisation
Multithreading