Junior Software Engineer (C++ or Rust) - High Performance Trading Systems

Bowden Brown; London; On-site; GBP 35,000 - 50,000; Full time

Job summary

A leading crypto market maker in London is seeking a Junior Software Engineer to join their elite engineering team. The role involves designing and optimizing high-performance trading systems using C++ and Rust. Ideal candidates should have a strong academic background, up to 2 years of experience, and a keen interest in financial markets and blockchain technology.

Qualifications

• Strong academic background in relevant fields.
• 0-2 years of experience in C++ or Rust.
• Proficiency in algorithms and data structures.

Responsibilities

• Design, optimize, and maintain core trading systems.
• Drive adoption of Rust while supporting C++ platforms.
• Contribute to high-impact business-critical projects.

Skills

C++

Rust

Algorithms

Data Structures

Systems Architecture

Education

Degree from a top-tier university in Computer Science, Engineering, Mathematics, or related field

Job description

Overview

Junior Software Engineer (C++ or Rust) - High Performance Trading Systems

A leading crypto market maker in London is seeking a Junior Software Engineer to join their elite engineering team. The firm specializes in market making, high-frequency trading, and Web3 investments, and operates 24/7 across global markets.

Tech Stack

C++ and Rust (with ongoing migration from C++ to Rust)

Responsibilities

• Design, optimize, and maintain core trading systems and infrastructure
• Drive the adoption of Rust while supporting existing C++ platforms
• Partner closely with engineers, researchers, and traders to maximize system performance and reliability
• Contribute to the growth of a world-class trading firm at the forefront of crypto and DeFi
• Take ownership of high-impact, business-critical projects
• Work in a collaborative environment where top academic and professional talent drive innovation

Requirements

• Strong academic background: Degree from a top-tier university in Computer Science, Engineering, Mathematics, or related field
• 0-2 years of professional experience building or production systems in C++ or Rust
• Advanced proficiency in C++ or Rust (with willingness to work across both)
• Strong foundation in algorithms, data structures, and systems architecture
• Experience with low-latency, high-throughput systems, networking, or multithreading
• Interest in crypto, blockchain, or financial markets

Employment

• Full-time
• Entry level

London, England, United Kingdom