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# Principal Platform Software Engineer

- **Company:** All3
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Systems Engineering, Nvidia CUDA, Software Debugging, Device Drivers, Linux on Embedded Systems, Middleware, General-Purpose Computing on Graphics Processing Units, Python (Programming Language), Software Architecture, Robotic Automation Software, Software Construction, Software Engineering, System Software, Systems Integration, Data Logging, State Machines, Marshalling, Api Design, C++14
- **Published:** May 16, 2026
- **Apply:** https://find.jobs/jobs-near-me/principal-platform-software-engineer-city-of-london-london/2771017169-2/

## About the Role

* Expert-level experience in production-grade software development with Modern C++ and Python;
 * Strong experience working in embedded Linux environments;
 * Deep understanding of API design, software abstractions, and library development;
 * Experience designing reliable and scalable software for industrial operating environments;
 * Advanced experience in robotic software development, ideally in legged robotics;
 * Knowledge of locomotion, whole-body control, or state estimation systems;
 * Experience with distributed heterogeneous compute architectures, including GPGPU and CUDA;
 * Strong understanding of pub/sub communication systems, telemetry, logging, and visualisation pipelines;
 * Experience with task orchestration, behaviour trees, state machines, mission planning, or fault handling;
 * Strong systems engineering knowledge, including requirements analysis, architecture design, verification, and validation;
 * First-principles approach to problem-solving;
 * Strong communication and technical leadership skills, with the ability to work across functional boundaries.

## Description

* Defining software architecture for robotic mobility, manipulation, autonomy, and platform tooling;
 * Developing and maintaining production-grade software in Modern C++ and Python for embedded Linux environments;
 * Designing APIs, abstractions, and reusable libraries that support reliable and scalable robotic systems;
 * Building software for task and behaviour orchestration, including state machines, behaviour trees, mission planning, and fault handling;
 * Developing tooling for visualisation, logging, telemetry, performance analysis, and debugging;
 * Supporting distributed communication systems, message-passing middleware, and data marshalling pipelines;
 * Integrating device drivers and middleware across heterogeneous compute architectures;
 * Setting technical standards, reviewing designs, and making pragmatic trade-offs to meet business goals;
 * Leading technical discussions across robotics, hardware, controls, and product teams;
 * Applying systems engineering principles to requirements analysis, architecture design, verification, and validation.


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