Posted 23 July, 2026
Lead Backend Engineer Python - Tech for Good
Client Server
London, ENG, GB
Full Time
Job Description
Lead Backend Engineer / Developer (Python C++ GCP) London onsite to £150kAre you a senior Backend Engineer who enjoys building platforms from the ground up? Do you thrive in start-up environments where you can own architecture, shape engineering culture and solve genuinely meaningful technical problems?This is an opportunity to join an innovative technology start-up that has developed a world leading navigation platform designed to improve independence for people with visual impairments. Combining advanced GNSS positioning, computer vision and AI, the technology delivers centimetre-level accuracy in challenging urban environments, enabling users to navigate the world with confidence.The core technology is proven. The next challenge is scaling it.As Lead Backend Engineer, you'll take ownership of the company's cloud platform, defining the backend architecture that underpins a sophisticated ecosystem of mobile applications, computer vision systems and edge devices.You'll lead the evolution from an existing Firebase implementation to a scalable, cloud-native platform on Google Cloud Platform, building resilient, low-latency services capable of processing high frequency location, sensor and image data from thousands of devices in real time.Working alongside robotics, computer vision and AI researchers, you'll help transform cutting-edge research into robust production services, creating the APIs, infrastructure and engineering practices that enable the business to scale.This is a genuine opportunity to influence technical direction, establish engineering standards and build the backend function from the ground up.Location / WFH:You'll join colleagues in the South London office on a fulltime basis Monday to Friday.About you:Yu have strong experience of building scalable backend platforms and distributed systemsYou have strong Python backend engineering skills with experience designing cloud-native architecturesYou have a deep knowledge of Google Cloud Platform, Docker and containerised deployments (Cloud Run preferred)You have experience of building highly resilient, low-latency systems where reliability and performance are criticalYou have a good knowledge of high-frequency data processing, event driven systems or IoT / edge device platformsYou're comfortable working across architecture, implementation and technical leadership within a fast-moving start-upExperience with any of the following would be beneficial but not essential: C++, Computer Vision, Robotics or autonomous systems experience, GNSS, mapping or positioning technologies, Ceres Solver or optimisation algorithms, Swift / iOS integration experienceWhat'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 Lead Backend Engineer / Developer (Python C++ GCP) opportunity.TPBN1_UKTJ
