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Staff Backend Software Engineer - Python & GO

PhysicsX - London, United Kingdom - Hybrid - posted 2026-08-24

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PhysicsX is a deep-tech company building an AI-driven simulation software stack for engineering and manufacturing across advanced industries including Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. The company enables high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, unlocking optimization and automation in design, manufacturing, and operations. You will join a focused, stream-aligned cross-functional team (backend, frontend, design) building a platform used by Data Scientists, Machine Learning Engineers, and Simulation Engineers to create, train, and deploy physics-informed models. You'll take ownership of work from implementation to production, ensuring quality, scalability, and observability at every step. Key responsibilities include: - Building core platform infrastructure for model creation, training, and deployment - Working collaboratively in cross-functional teams empowered to make implementation decisions - Gathering and leveraging domain knowledge from end users (Data Scientists and Simulation Engineers) - Owning the full lifecycle: implementation, testing, containerization, CI/CD, authentication/authorization, telemetry, observability, and monitoring Required qualifications: - Proficiency in both Python and Go - Working understanding of event-driven messaging systems (NATS, RabbitMQ, Kafka) - Professional or personal experience developing applications for Kubernetes - Strong collaborative and cross-functional teamwork skills - Passion for software engineering craft and best practices Preferred: CKAD certification (not required) The company offers equity options, 10% employer pension contribution, flexible working with hybrid setup at their Shoreditch office, enhanced parental leave, private healthcare, personal development opportunities, and work-from-anywhere flexibility.

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