Senior Machine Learning Engineer

Owns deployment of ML models and engineering surrogates (deep learning on CAE/CFD/FEA data, forecasting, anomaly detection) into customer production environments, building scalable training and inference pipelines with Python, PyTorch, Kubeflow and fastAPI. Leads scoping and architecture, mentors engineers, and travels to customer sites roughly 3-4 weeks per quarter.

PhysicsX London
Hybrid

Senior Simulation Engineer - Electromagnetics Specialist

Builds and automates high-fidelity electromagnetic models across low- and high-frequency applications, from chip and package design to EMI/EMC, using tools like HFSS, Maxwell and CST. Works at the intersection of CAE and data science, generating simulation data to train ML surrogates, collaborating with customers and mentoring junior engineers.

PhysicsX New York, United States
Hybrid
CrowdStrike logo

Sr. Data Scientist Lead - UK, IRE, Spain or Romania)

Leads a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Sets technical standards and strategy for ML development, deployment and monitoring, while staying hands-on with Python, big data and cloud infrastructure.

CrowdStrike Ireland
Remote
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Sr. SDET - Cloud, Detection Engineer , London)

Builds and operates an end-to-end validation pipeline for CrowdStrike's Cloud Detections Platform, verifying component, system and application-level features across processing, data and customer-facing layers. Manages CI/CD with Jenkins or GitHub Actions, improves automated test coverage, and diagnoses root causes of production outages in large-scale distributed systems.

CrowdStrike London
Hybrid

Financial Crime Risk Transaction Monitoring Control Owner

Owns the optimisation and strategy of transaction monitoring controls across Barclays UK and International, tuning surveillance systems and developing detection solutions. Involves data exploration with SQL, Scala, Spark and Python, plus governance, risk and stakeholder engagement in a regulated financial crime environment.

Barclays Glasgow
On-site Permanent

Safety Engineer (Data)

Owns safety datasets end-to-end, from collection and labelling to quality control and versioning, and builds evaluation workflows that track model performance in production. Works across data science, ML, AI safety and policy, developing Python/SQL pipelines and managing external labelling contributors. Based in London alongside the AI Safety and Policy teams.

ElevenLabs London
Hybrid Permanent

Infrastructure Engineer

Builds and operates the platform every product team ships on, running and scaling Kubernetes clusters including GPU clusters for inference and training across cloud and on-prem. Sets up compute, networking, permissions and access, hosts data systems, and builds tooling and automations to make infrastructure self-serve, working hands-on with research, product, security and safety engineers.

ElevenLabs London
Remote Permanent

Senior Software Engineer II

Owns complex, ambiguous technical challenges end-to-end, shaping long-term architecture and engineering standards across cloud-native banking platforms. Acts as a link between senior leadership and engineering teams, driving systemic change, mentoring senior engineers, and improving production operations. Uses Go/Python and AI tooling to scale developer velocity.

Thought Machine London
Hybrid Permanent

Senior Research Scientist - AI Safety

Lead original technical research in AI safety, steering projects from research question to publication. Work spans interpretability, steering vectors, goal drift, machine unlearning and uncertainty calibration for transformer LLMs and agentic systems, with outputs informing frontier labs and government institutes. Involves building reproducible research code in PyTorch and Python.

Faculty London
Hybrid Permanent

Senior Research Scientist - AI Safety Evaluations

Lead the development of novel safety evaluations quantifying AI risks in high-impact domains such as CBRN and Cyber, executing original technical research from concept to publication. Shape the R&D agenda, contribute to client delivery and red-teaming for frontier labs, and engage externally with the global research community. The role sits in a central R&D team focused on fundamental and applied technical AI safety research.

Faculty London
Hybrid Permanent

Applied AI Engineer, Codex

Partner directly with engineering organizations to design, build, and deploy AI-powered software development workflows using Codex, from use-case selection through prototyping, evaluation, and production rollout. Combines hands-on coding in Python with customer leadership, building evaluation harnesses, integrations, and reusable architectures while feeding deployment insights back to Product and Research teams.

OpenAI London
Hybrid Permanent
Multiverse logo

Data Technical Trainer

Deliver technical training content to apprentices through workshops and drop-in sessions, covering AI and data domains such as BI tools, predictive modelling and statistics. Moderate assignments, give feedback and track learner progress alongside cohort coaches. The role is a 16-month fixed-term contract with a three-week onboarding programme.

Multiverse London
Remote Contract Clearance Required

Applied AI Architect, Education

Senior technical owner for a portfolio of education customers, acting as the technical counterpart to institutional leadership. Shapes AI strategy across ChatGPT Edu, the OpenAI API and Codex, guiding institutions from pre-sales discovery through deployment and adoption. Requires education-sector fluency and hands-on architecture skills.

OpenAI London
Hybrid Permanent Clearance Required

Technical Lead Manager, Synthetic Data

Lead a team of ML engineers and applied scientists building synthetic data from generative world models like GAIA-3, turning them into a production engine for training-grade driving experience. Own the loop end to end, from checkpoint and large-scale GPU inference to artefacts landing in driving-model training, while setting technical direction on rig transfer, pose transfer and controllability.

Wayve London
Hybrid Permanent

Cloud Automation Engineer

Designs and delivers complex automation, Infrastructure as Code and AI/LLM-assisted tooling across Microsoft Azure and Oracle Cloud Infrastructure. Builds reusable frameworks and CI/CD pipelines, embedding security, identity management and FinOps principles while mentoring colleagues and promoting an automation-first culture.

Apache Associates Hungerford £65,000 – £70,000 pa