Software Engineer

ECM Selection; Cambridge; Hybrid; GBP 60,000 - 100,000; Full time

Benefits offered by this job

Hybrid work pattern

Career development opportunities

Job summary

ECM Selection in Cambridge is seeking a skilled C++/Rust engineer to help build high-speed network and data processing infrastructure for financial trading. The role focuses on minimising latency, efficient messaging, and robust software design.

The team offers a hybrid working pattern with some home office days, a highly competitive salary (£60,000 - £100,000 per year), and strong career development in a forward-thinking environment.

Qualifications

• Excellent C++ coding skills with focus on latency and messaging.
• Degree: first or 2.1 in CS, mathematics or STEM.
• Understanding of C++/Rust inner workings.
• Experience in speed-critical industries a bonus.
• Right to work in the UK without sponsorship.

Responsibilities

• Develop high-speed network and data processing infrastructure for financial trading.
• Work on high-speed communications and efficient algorithms.
• Squeeze every clock cycle in design and implementation.
• Use the latest technologies.
• Support engineers' career development in a forward-thinking environment.
• Opportunity to learn new skills and technologies.

Skills

C++ coding

Rust

Performance optimization

Messaging systems

Education

First or 2.1 degree in CS/Math/STEM

Job description

Salary: £60,000 - 100,000 per year

Requirements:

• We are looking for excellent C++ coding skills, with experience in coding techniques for minimising execution time, optimising data storage and retrieval, and handling messaging efficiently.
• We are seeking candidates with a first or 2.1 degree in computer science, mathematics, or another relevant STEM subject.
• We value a thorough understanding of the inner workings of languages such as C++ or Rust.
• Experience in industries where execution speed and software integrity are important would be a bonus.
• You must have full existing right to work in the UK without the need for sponsorship.

Responsibilities:

• We develop high-speed network and data processing infrastructure for use in financial trading.
• We work on high-speed communications and efficient algorithms.
• We tackle technical challenges focused on squeezing every last clock cycle.
• We use the latest technologies.
• We continue to build our engineers careers and help them broaden their expertise as they work on interesting problems.
• We provide opportunities to pick up new skills and technologies while working in a forward-thinking environment.

Technologies:

• Network
• Rust
• C++

More:

We are a Cambridge-based team developing high-speed network and data processing infrastructure for use in financial trading. We work in pleasant modern offices in Cambridge and offer a hybrid work pattern with scope for home working for a day or two per week. We are deeply committed to looking after our engineers and supporting their career development. A highly competitive salary and benefits are on offer, and this is an exciting opportunity to join us at a forward-thinking company working on interesting technical problems.

last updated 36 week of 2026