Skip to main content
Posted 23 July, 2026

Mobile Engineer iOS C++ ARM CPU

Client Server
London, ENG, GB Full Time

Job Description

iOS Systems Engineer (C++ ARM CPU Computer Vision) London onsite to £150kAre you a low level systems engineer who enjoys pushing mobile hardware to its limits?You could be progressing your career in an impactful role, working on a 'tech for good' product with the aim of transforming the lives of the visually impaired.As an iOS Systems Engineer you'll join a cutting edge engineering team developing next generation computer vision technology, where you'll optimise complex mathematical algorithms to run in real time on resource-constrained iOS devices.This is not a traditional iOS development role - you'll work beneath the application layer, solving challenging performance, memory and concurrency problems to deliver ultra-low latency on ARM based mobile hardware.You'll create advanced C++ and Rust codebases, optimise sensor fusion algorithms and Ceres solvers, fine-tune threading and memory management and integrate high performance native code with Swift applications.You'll play a key role in defining the technical direction of the platform, working with a high degree of autonomy while mentoring other engineers.This is a rare opportunity to tackle genuinely challenging engineering problems at the intersection of mobile systems, computer vision and high-performance computing, working with exceptional engineers on technology that pushes the limits of what's possible on modern mobile devices.Location / WFH:You'll join colleagues in the South London office on a fulltime basis Monday to Friday.About you:You have strong low level systems programming experience with C++ and / or RustYou have expertise in performance optimisation, multithreading, memory management and ARM CPU architectureYou have experience developing complex mobile infrastructure, game engines, rendering engines, computer vision systems or mobile platform toolingYou have a deep understanding of iOS internals and integrating native code with Swift / SwiftUI applications (will also consider Android experience)You can solve complex technical problems independently and influence architectural decisionsYou take pride in building highly optimised, production quality software that operates under demanding real-time constraintsWhat's in it for you:Total compensation of £150k (base salary + equity)Influential, high impact roleWork on tech for good and use your tech skills to enhance people's livesApply now to find out more about this iOS Systems Engineer (C++ ARM CPU Computer Vision) opportunity.TPBN1_UKTJ