C++ Software Engineer

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£400,000 / year
CATEGORY
Software Engineering
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

C++ Python RESTful APIs Microservices Architecture Distributed Systems High-Performance Computing Low Latency Systems Financial Services

FULL DESCRIPTION

C++ Software Engineer

[Employer hidden — sign up to reveal] - London - Permanent - Up to £400,000

Job Description

We’re currently engaged with a high-performing, technology-led organisation within the financial space, looking to hire a talented C++ Engineer to join their London team. This is an opportunity to work in a deeply technical environment alongside some of the industry’s strongest engineers, contributing to the build-out of highly optimised, large-scale systems.

You’ll be part of a fast-moving team focused on developing next-generation platforms where performance, efficiency, and scalability are critical. The role offers real ownership, with the chance to influence both system design and broader technical direction.

Responsibilities

  • Designing and developing high-performance systems using C++ (with some Python where required)
  • Building and integrating microservices within a distributed architecture
  • Working on platforms that process significant volumes of data with low latency requirements
  • Collaborating with engineers and stakeholders to deliver robust, scalable solutions
  • Playing an active role across the full development lifecycle, from concept through to deployment

Requirements

  • Strong hands-on experience with C++ in a commercial setting, alongside exposure to Python
  • Experience designing or consuming RESTful services within microservice-based architectures
  • Background working on large-scale or high-throughput systems
  • Previous exposure to financial services is beneficial, but not a prerequisite
  • Strong academic foundations, ideally in Computer Science or a related field
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