Machine Learning Jobs

Lead Machine Learning Engineer

Lead Machine Learning Engineer to define technical direction for complex AI projects, design scalable ML systems, and guide delivery across high-risk, ill-defined environments. Will lead architectural decisions, mentor engineers, develop reusable tools, and act as a technical advisor to clients in regulated sectors. Focus on operationalising models using Python and major cloud platforms with containerised deployment via Docker and Kubernetes.

Faculty AI London, United Kingdom

Hybrid Permanent

Full Stack Software Engineer

Design and build full-stack AI-powered applications, translating machine learning outputs into production-ready systems. Collaborate with data scientists and product managers to deliver scalable, user-centric solutions for global clients in regulated industries. Focus on robust architecture, cloud deployment, and client-facing technical leadership.

Faculty AI London, United Kingdom

Hybrid Permanent

Office Manager (18-month

This role involves managing office operations, facilities, and administrative functions for Ocado's technology team in Poland. The Office Manager will lead a support team, coordinate onboarding and workspace planning, ensure compliance with local and corporate regulations, and act as a liaison between local stakeholders and the UK head office. The position emphasizes cross-functional coordination, process improvement, and fostering a strong company culture in a hybrid work environment.

Ocado United Kingdom

Hybrid Contract

GA4 Implementation Specialist

This role involves leading end-to-end Google Analytics 4 (GA4) implementations for Ocado’s global retail partners, including configuring GA4 and Google Tag Manager (GTM), auditing tracking accuracy, and ensuring reliable e-commerce event measurement across web and app platforms. The specialist will support data integration with BigQuery and Looker, enable partner reporting, and act as a technical consultant to ensure effective marketing performance measurement. Collaboration with data engineering and analytics teams is central to driving data quality and strategic insights for partners.

Ocado Welwyn Hatfield, United Kingdom

Executive Assistant, London

This Executive Assistant role supports senior leadership at a cutting-edge AI-driven biotech firm focused on transforming drug discovery. You will manage complex calendars, coordinate high-stakes meetings across global time zones, and streamline executive operations with precision and discretion. The role demands proactive problem-solving, strong organisational skills, and close collaboration with cross-functional teams in a hybrid working environment.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Senior Alliance Manager, London

This role involves managing strategic partnerships in a cutting-edge AI-driven drug discovery environment. You will oversee alliance governance, coordinate joint research and development plans, and act as a key liaison between internal teams and external partners. The position plays a critical part in driving scientific and commercial value across long-term collaborations within a multidisciplinary, innovation-focused culture.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

R&D Engineer

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc....

Luminance Cambridge, United Kingdom

Hybrid Permanent

Technical Support Engineer

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc....

Luminance London, United Kingdom

Hybrid Permanent

Engineering Manager (Growth)

Lead a high-impact engineering team focused on user acquisition, activation, and revenue growth through rapid experimentation and optimization of self-service and freemium product pathways. Drive technical strategy at the intersection of product, data, and engineering to improve conversion and user experience. Scale talent and execution velocity while balancing short-term business goals with long-term scalability.

Synthesia London, United Kingdom

Remote Permanent

Software Engineer (Principal level)

This role involves leading backend engineering strategy across a large, distributed team, focusing on system stability, inter-service testing, and monorepo standardization. The engineer will drive long-term technical direction, bridge R&D and product engineering, and work across the full stack from React frontend to Python backend. Projects span multiple teams and quarters, requiring strong decomposition and data-driven iteration.

Synthesia London, United Kingdom

Hybrid Permanent

Training, Process Management Engineer

This role involves building and maintaining the distributed operating system that orchestrates large-scale AI training workloads across massive clusters. You'll work on high-performance, asynchronous systems in Rust and Python to ensure reliable job execution, optimize for scale and performance, and debug complex distributed systems issues. The role focuses on enabling researchers by improving system reliability, observability, and fault tolerance across supercomputing infrastructure.

OpenAI London, United Kingdom

Hybrid Permanent

CFD Multiphase & DEM Engineer

Develop and validate high-fidelity multiphase CFD models for industrial applications in bioprocess and chemical engineering, integrating with AI-driven simulation workflows. Work across the full simulation lifecycle—from CAD and meshing to solver development, HPC execution, and experimental validation—while collaborating directly with clients to solve complex engineering challenges. Focus on scalable automation, surrogate modelling, and data pipelines to enable AI-enhanced design optimisation.

PhysicsX United Kingdom

Hybrid Permanent

Deployment Strategist

This role involves leading large-scale deployment of voice assistants, ensuring client success through strategic oversight, quality control, and performance tracking. The strategist acts as the primary point of contact, translating client needs into technical execution while driving adoption and expansion. They work cross-functionally to refine agent design and deliver transformative customer service automation solutions.

PolyAI United Kingdom US$115,000 – US$135,000 pa

Remote Permanent

Protection Scientist Engineer, Intelligence and Investigations

Design and build systems to proactively detect and enforce against abuse on OpenAI's products, including monitoring for new launches and responding to critical escalations. Work cross-functionally with product, policy, and engineering teams to develop scalable safety mitigations and investigate high-risk harms. The role involves handling sensitive content and participating in an on-call rotation for urgent issues.

OpenAI London, United Kingdom

On-site Permanent Clearance Required

CFD Multiphase & DEM Engineer

This role involves developing and validating high-fidelity multiphase CFD and coupled CFD-DEM simulations for industrial applications across aerospace, energy, and manufacturing. The engineer will work directly with customers to build automated, scalable simulation workflows integrated with AI-driven surrogate models, using tools like Star-CCM+, OpenFOAM, or Fluent alongside Python and parametric CAD. Emphasis is placed on smart sampling, model validation, and mentoring within a collaborative, high-performance engineering culture.

PhysicsX London, United Kingdom