Junior C++ Engineer (Low-Level) (AI)

TL;DR

Junior C++ Engineer (Low-Level) (AI): Developing and maintaining modern C++ code used in performance-sensitive systems with an accent on GPU acceleration and machine learning workloads. Focus on profiling, debugging, and improving performance of existing code with a focus on efficiency.

Location: Must be located in London, UK

Salary: Up to £110,000

Company

Exciting, disruptive technology company working at the intersection of machine learning, high-performance computing, and GPU acceleration.

What you will do

• Develop and maintain modern C++ (C++17/20) code used in performance-sensitive systems.
• Contribute to components that support GPU-accelerated and ML-related workloads.
• Profile, debug, and improve performance of existing code with a focus on efficiency.
• Collaborate with ML and systems engineers to integrate and optimize new features.
• Learn and apply performance best practices related to memory usage, concurrency, and parallelism.
• Participate in code reviews and contributing to high engineering standards.

Requirements

• 1–4 years of professional experience in C++, with a strong grasp of modern C++ concepts.
• Solid understanding of core software engineering fundamentals (data structures, algorithms, debugging).
• Interest in performance-aware programming, memory management, and efficient systems.
• Familiarity with multi-threading or concurrency concepts.
• Experience developing on Linux or similar environments.
• Curiosity about machine learning systems, GPU computing, or high-performance software.

Culture & Benefits

• Comprehensive Health & Wellness Package, including mental health support.
• Tech Upgrade Stipend for your home setup.
• Learning & Development Budget for courses, mentorship, and conferences.
• Quarterly Innovation Days to explore new ideas and technologies.
• Adventure Days — one paid day per quarter for something you love.
• Gym access, wellness retreats, and encouraged mental health days.