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Senior C++ Engineer

Job Posted: 15 hours ago

Salary: £ 90,000 - 95,000 / Annum
Job Type: Permanent
Location: Oxford, Oxfordshire

Expire in: a month

Job Description

Senior C++ Engineer – High Performance Systems

Oxford (Hybrid), £90k to £95k

Avanti Recruitment is working with a deep-tech company behind a high-performance reasoning engine deployed on over 60 million devices worldwide.

This is core engine development for an elite engineering team working on core C++ systems, where performance, correctness, and engineering quality are absolutely critical.

The Role

You’ll be working on a performance-critical C++ system, tackling problems around:

  * Complex data processing and reasoning

  * Concurrency and multithreaded systems

  * Memory efficiency and low-level optimisation

  * Cross-platform behaviour (Linux, Windows, macOS)

  * System-level interactions where required

This is hands-on, systems-level engineering.

Skills required

  * 10-15 years of software development experience

  * Strong commercial experience with modern C++ (C++17 or later)

  * Background in systems-level or performance-critical development

  * Solid understanding of multithreading / concurrency

  * Comfortable working close to the system (memory, OS behaviour, performance)

  * Passion for writing high-quality, maintainable code

Bonus points

  * Experience with low-level optimisation

  * High-performance backend systems

  * Quant / trading systems

  * Database or engine development

  * Gaming / real-time systems

  * Familiarity with cross-platform development

What Makes This Role Different

  * Work on a core product used at global scale

  * Strong focus on engineering quality over shortcuts

  * Backed by a major global technology organisation, offering stability and long-term growth

If you’re a C++ engineer who enjoys working on complex, high-performance systems and wants to be part of something genuinely impactful, we’d love to hear from you

Before You Apply

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Bank details.
National Insurance number.
Date of birth.

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