Elite AI Systems Engineer (Rust/C++)

Understanding Recruitment; Greater London; On-site; GBP 100,000 - 250,000; Full time

Benefits offered by this job

Visa sponsorship

Job summary

Understanding Recruitment is helping a fast-growing AI-driven fintech team in Central London recruit a Software Engineer with Rust and C++. The role combines low-level, high-performance systems development with AI tooling, on-site five days a week; visa sponsorship is available.

You will own problems end-to-end, build high-performance Rust/C++ systems, work with AI agents and LLMs, and help shape product architecture. Strong academic or competitive programming background preferred.

Qualifications

• Exceptional technical ability with a top-centile background.
• Experience with low-level, high-performance or complex systems (C++ or Rust).
• Thrives in autonomy and ambiguity in a startup/AI tooling context.
• Competitive programming or strong academic background is a plus.

Responsibilities

• Own problems end-to-end.
• Build high-performance systems in Rust + TypeScript.
• Work with AI agents, LLMs & AI-native tooling.
• Ship quickly using Cursor + Claude Code.
• Solve complex performance and infrastructure challenges.
• Shape product, architecture and engineering culture from the ground up.

Skills

Rust

C++

High-performance

Autonomy

Tools

TypeScript

Cursor

Claude Code

Job description

Understanding Recruitment is helping a fast-growing AI-driven fintech team in Central London recruit a Software Engineer with Rust and C++. The role combines low-level, high-performance systems development with AI tooling, on-site five days a week; visa sponsorship is available.

You will own problems end-to-end, build high-performance Rust/C++ systems, work with AI agents and LLMs, and help shape product architecture. Strong academic or competitive programming background preferred.