Principal Software Engineer - TypeScript, JavaScript, Python, C++, Linux, IoT, K8Southampton (Onsite) 75,000 + generous pension and benefitsAre you an experienced Software Engineer who thrives on solving real-world problems with cutting-edge technology?This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You''ll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference.Why this role is excitingThis isn''t just another enterprise software role.You''ll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.Engineers here consistently highlight exposure to multiple Kubernetes environments (on-prem, cloud, VM-based), working across diverse customer use cases with unique technical challenges, the chance to experiment with new tools, architectures, and AI integrations, and a broad technical landscape spanning microservices, real-time systems, and distributed architectures.About You - What makes you a great fitWe''re looking for a technical expert who can lead and inspire.Strong background in Object Oriented Programming with knowledge of C++, Python or s