Senior C++ Engineer

Senior C++ Engineer

Oxford

Permanent

Up to £95,000

Consultant

Mike Walton

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Senior C++ Developer – Oxford (Hybrid, 3 days onsite)
£85k to £95k
Avanti Recruitment is partnering with an innovative deep-tech software company developing high-performance software used by millions of devices worldwide.
This is an opportunity to join a small team of exceptional engineers working on the company's core C++ platform. The work is technically demanding, with a strong emphasis on performance, correctness and elegant software design rather than rapid feature delivery.
The Role
You'll be working on the core software platform, solving complex engineering problems involving:

Modern C++ development
High-performance algorithms and data structures
Concurrent and multithreaded programming
Memory management and performance optimisation
Cross-platform software development across Linux, Windows and macOS
Designing and maintaining robust, scalable software at the heart of a globally deployed product

This is a hands-on engineering role where you'll spend your time solving difficult technical problems, improving performance and writing clean, maintainable code. You'll be joining a team of experienced software engineers, computer scientists and PhDs who are passionate about solving complex engineering problems.
We're Looking For
You'll ideally have experience with:

Modern C++ (C++17 or later)
Performance-critical or systems-level software
Multithreaded and concurrent programming
Strong computer science fundamentals, including algorithms and data structures
Linux development
Debugging and optimising complex software

Experience in any of the following would be advantageous:

Database engines
Compilers
Distributed systems
High-performance backend platforms
Scientific or numerical computing
Graphics, simulation or game engines
Low-latency or real-time systems

Why Join?

Work on a sophisticated C++ codebase deployed at global scale
Tackle genuinely challenging problems in performance, concurrency and software architecture
Hybrid working with an Oxford-based team

This role is ideal for engineers who enjoy understanding how software works beneath the surface, care about writing high-quality code, and want to work on technically challenging C++ systems.

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