Latest PhysicsX Jobs

CFD Engineer

The role involves building and refining high-fidelity CFD models from geometry cleanup to post-processing, supporting AI-driven simulation workflows for diverse engineering applications. You'll work closely with data scientists and customers to generate simulation datasets, automate pipelines using CAD and Python, and contribute to scalable, ML-integrated CAE solutions. The position emphasizes hands-on technical delivery, collaboration, and growing autonomy in a startup environment with hybrid working in London.

PhysicsX London, United Kingdom

Forward Deployed Software Engineer

This role involves building and deploying AI-driven simulation applications that solve complex engineering problems for customers across industries like aerospace, energy, and automotive. You'll work end-to-end on application design, develop backend services using Python and FastAPI, and collaborate on-site with customers globally. The position emphasizes rapid prototyping, full-stack development, and translating real-world engineering challenges into deployable software solutions using physics AI models.

PhysicsX London, United Kingdom

Graduate Physicist

This role involves tackling diverse technical challenges across healthcare, defence, and energy sectors by applying physics-based problem solving to real-world engineering projects. You'll work on cutting-edge systems such as holographic imaging, ultrasonic measurement, and magnetic positioning, combining lab work with simulation and analysis. The position emphasizes rapid learning, innovation, and collaboration within a supportive, R&D-driven environment.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required

Research Engineer, RL Scaling Science

This role involves designing and running large-scale reinforcement learning experiments to understand scaling effects across model size, compute, and task horizon. The engineer will build benchmarks for long-horizon RL, debug system-level issues at the research-infrastructure boundary, and translate validated findings into production training recipes. Work is highly collaborative with research and engineering teams, focusing on empirical science to advance steerable and safe AI systems.

Anthropic London, United Kingdom £375,000 – £640,000 pa

Hybrid Permanent

Staff Software Engineer, Infrastructure (Distributed Systems)

Lead and architect large-scale distributed systems that support AI model training, serving, and security. Work closely with research and product teams to build reliable, scalable infrastructure on Kubernetes and cloud platforms. Drive technical strategy, mentor engineers, and improve operational resilience across high-impact systems.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Graduate AI and Secure Technologies Engineer (2026 start)

Work on cutting-edge security and AI engineering challenges across critical infrastructure, defence, and emerging technologies. Contribute to threat modelling, secure-by-design architectures, vulnerability analysis, and security assurance in multidisciplinary teams. Engage in full lifecycle engineering from concept to deployment, with opportunities to interact directly with clients and develop technical prototypes.

Cambridge Consultants United Kingdom

Forward Deployed Software Engineer

A Forward Deployed Software Engineer at PhysicsX works directly with customers and engineering teams to build and deploy AI-driven simulation applications that solve complex engineering problems across industries like aerospace, energy, and semiconductors. The role involves full-stack development, rapid prototyping, and on-site collaboration, with a focus on delivering production-grade tools using physics AI models. Engineers contribute to backend services, APIs, and platform features while shaping product direction based on real-world customer needs.

PhysicsX United Kingdom

Hybrid Permanent

Machine Learning Engineer

A Machine Learning Engineer will collaborate with simulation engineers, data scientists, and customers to develop AI-driven solutions for engineering and manufacturing challenges. The role involves building scalable ML pipelines, working with 3D point-cloud and mesh data, and translating R&D into deployable tools. The position requires strong software engineering practices and customer-facing delivery, with opportunities for international travel.

PhysicsX United Kingdom £150,000 – £190,000 pa

Remote Permanent

Senior Applied Engineer

Develop and scale physical foundation models for AI-driven engineering simulation, bridging research and production. Work across the full stack from distributed training on multi-GPU cloud infrastructure to robust software implementation, collaborating with scientists and engineers to solve real-world physics problems. Contribute to reusable libraries and mentor team members in a high-impact, research-led environment.

PhysicsX United Kingdom

Hybrid Permanent

Principal Data Scientist / Algorithm Engineer

This role involves developing and deploying AI-driven models for high-fidelity, multi-physics simulation in engineering and manufacturing contexts. The Principal Data Scientist will lead the design of deep learning and optimisation methods, preprocess complex engineering data, and integrate models into production-ready pipelines. Working closely with simulation engineers and customers, the role emphasizes technical leadership, on-site collaboration, and mentoring, with significant influence on product development and AI model deployment across aerospace, energy, semiconductors, and other advanced industries.

PhysicsX United Kingdom

Hybrid Permanent

Principal CFD Engineer

This role involves building and validating high-fidelity, multi-physics CFD models for real-world engineering challenges across aerospace, energy, and automotive sectors. The engineer will integrate simulations with AI-driven workflows, automate CAD and simulation pipelines, and collaborate directly with customers on-site to deliver optimised design solutions. A key focus is generating high-quality datasets for training machine learning models while advancing simulation best practices in an AI-CAE integrated environment.

PhysicsX United Kingdom

On-site Permanent

Principal Machine Learning Engineer

Develop and deploy machine learning models integrated with engineering simulation data, focusing on scalable pipelines and real-world deployment in high-fidelity physics environments. Work directly with customers to translate AI research into production-grade tools, using 3D data, time-series forecasting, and optimization models. Lead technical architecture, mentor teams, and travel on-site to support implementation across aerospace, energy, and advanced manufacturing sectors.

PhysicsX United Kingdom

Hybrid Permanent

Senior Forward Deployed Software Engineer

This role involves building and deploying AI-driven simulation applications that solve complex engineering problems across industries like aerospace, energy, and semiconductors. You'll work directly with customers and data scientists to design end-to-end tools, develop RESTful APIs in Python, and deploy physics-based microservices on cloud infrastructure. The role emphasizes rapid prototyping, user feedback iteration, and distilling cross-domain solutions into reusable platform features.

PhysicsX United Kingdom

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and translating R&D into practical tools using Python, PyTorch, and cloud/on-prem infrastructure. Frequent international travel and on-site collaboration are key aspects of the role.

PhysicsX London, United Kingdom

Senior Software Security Developer – Core Platform Services

This role involves designing and implementing core security features for a high-performance simulation platform, with a strong focus on authentication, secure coding standards, and cross-team collaboration. The developer will act as a security SME, conducting threat modeling, code reviews, and mentoring engineers across the organization. Work spans identity protocols, platform guardrails, and incident response support within a fast-paced, AI-driven engineering environment.

PhysicsX London, United Kingdom