Machine Learning Jobs

Senior Solutions Architect – Large Scale AI Training

This role involves working closely with leading AI research institutions and EMEA-based AI developers to design and optimize large-scale distributed training and post-training workflows for foundation models, including Mixture-of-Experts (MoE) architectures. The Senior Solutions Architect will act as a technical advisor, guiding clients on infrastructure, software stack integration, and training efficiency using NVIDIA's full stack, including Megatron-LM, NeMo, and Nemotron. The position bridges customer needs with internal product development, influencing NVIDIA's roadmap while fostering innovation through community engagement and technical collaboration.

NVIDIA PLN 292,500 – PLN 507,000 pa

Senior Solutions Architect - Multimodal AI

This role involves working as a technical advisor for EMEA AI Native companies building multimodal AI applications, focusing on document intelligence, image/video analysis, and personalization. The Senior Solutions Architect will guide customers through architectural planning, model training across modalities, and deployment using NVIDIA's full software and hardware stack. Key responsibilities include solving production-scale vision and multimodal challenges, influencing product roadmaps based on customer feedback, and engaging with the developer community through technical outreach.

NVIDIA PLN 292,500 – PLN 507,000 pa

Lead Data Scientist

Lead a team of data scientists to design and deliver high-impact, production-grade AI solutions for clients in highly regulated sectors such as finance and professional services. Drive technical direction, lead complex project scoping, and act as a trusted advisor to clients while shaping best practices and mentoring junior staff. Work across the full project lifecycle from feasibility to deployment, balancing innovation, speed, and reliability in real-world applications of machine learning.

Faculty AI London, United Kingdom

Hybrid Permanent

Lead Software Engineer

Lead the technical direction of AI and machine learning projects, designing production-grade systems and guiding cross-functional teams. Drive architectural decisions, mentor engineers, and deliver innovative solutions for clients in the energy and sustainability sector. Focus on reusable tools, scalable infrastructure, and high-impact delivery in a fast-paced environment.

Faculty AI London, United Kingdom

Hybrid Permanent

Manager, AI Deployment Engineering - Large Enterprise

Lead and mentor a team of AI Deployment Engineers focused on guiding large enterprise customers through the technical implementation and production deployment of Generative AI solutions. Drive platform integration, translate customer needs into product roadmaps, and act as a trusted technical advisor to executive stakeholders. Emphasis is on safe, scalable AI adoption across complex global organisations.

OpenAI London, United Kingdom

Hybrid Permanent

Forward Deployed Engineer - London (Spanish-speaking)

This role involves leading end-to-end technical deployments of cutting-edge AI models for strategic customers, from prototyping to production. The engineer will build full-stack systems, deeply integrate with customer teams, and translate field feedback into product and model improvements. Success is measured by real-world adoption and measurable impact on customer workflows.

OpenAI London, United Kingdom

Permanent

Principal Security Engineer – DevSecOps and Security Architect

This role involves leading security initiatives across the software development lifecycle, with a focus on integrating security into CI/CD pipelines, conducting threat modeling, and guiding secure design for web applications, APIs, and cloud services. The Principal Security Engineer will establish secure coding standards, mentor engineering teams, and manage the product vulnerability lifecycle. The position operates in a high-impact, collaborative environment shaping security for an AI-driven simulation platform in advanced engineering sectors.

PhysicsX United Kingdom US$200,000 – US$300,000 pa

Hybrid Permanent

Alignment Red Team - Research Engineer/Research Scientist

This role involves researching and developing methods to detect misalignment in advanced AI systems, conducting pre- and post-deployment evaluations, and sharing findings with AI companies and governments. You will also contribute to public research and build software tools to improve alignment testing.

AI Security Institute London, United Kingdom

Research Leader (Toxicology), Cambridge, MA

Lead toxicology strategy in an AI-driven drug discovery environment, designing safety assessment frameworks and predictive models to reduce reliance on animal testing. Collaborate with machine learning teams to integrate toxicology insights into a digital drug design engine, while mentoring junior scientists and guiding regulatory submissions for small molecules and biologics.

Isomorphic Labs Cambridge, United Kingdom

Machine Learning Engineer / ML Engineer - Roleplay Sessions

Develop and enhance the AI engine powering interactive roleplay training, focusing on real-time speech analysis, performance scoring, feedback generation, and dynamic avatar responses. Work at the intersection of applied machine learning and product development within a high-impact AI video platform. Collaborate closely with engineering and product teams to deliver scalable, user-centric AI solutions.

Synthesia London, Europe, United Kingdom

Permanent

Research Engineer (LLM Performance), London

This role involves advancing large language models for drug discovery by optimizing post-training methods, scaling frontier AI systems, and solving performance bottlenecks in distributed training and inference. The engineer will collaborate with interdisciplinary teams to translate research into production-ready systems, applying low-precision techniques and performance optimization strategies to real-world drug design challenges. Work focuses on improving model efficiency and scalability within a mission-driven environment combining AI and computational biology.

Isomorphic Labs London, United Kingdom

Data Scientist

This role involves developing and maintaining machine learning models for logistics and supply chain optimisation within Ocado’s advanced automated grocery fulfilment system. The Data Scientist will work on demand forecasting, drive-time predictions, and supplier reliability, using deep learning and time-series techniques. They will build scalable data pipelines, deploy production models, and collaborate with engineering and product teams to enhance operational efficiency for global partners.

Ocado London, United Kingdom

Control Red Team - Research Engineer/Research Scientist

This role involves designing and running machine learning experiments to evaluate the effectiveness of AI control measures, such as monitors and sandboxes, by developing adversarial attacks and conducting security analyses. The work combines empirical research with real-world testing of frontier AI systems, using LLMs to automate evaluation loops and building scalable infrastructure for high-quality, reusable results. The position is embedded within a red team focused on identifying vulnerabilities in AI safety systems to inform both developers and government policy.

AI Security Institute London, United Kingdom

Staff Backend Software Engineer - GO & Python

Build and maintain a platform for Data Scientists and Simulation Engineers to develop and deploy physics-informed AI models. Work on scalable backend systems using Python and Go, with full ownership from implementation to production. Collaborate closely with cross-functional teams and leverage domain expertise to shape engineering practices in a high-performance, event-driven environment.

PhysicsX London, United Kingdom

Sr. Solutions Engineer

This role involves leading technical sales engagements by conducting hands-on proofs-of-concept and evaluations for digital-native companies adopting Databricks' Data Intelligence Platform. The Senior Solutions Engineer will collaborate with engineering and sales teams to demonstrate solutions across data engineering, machine learning, and Generative AI, using real-world data and modern cloud architectures. The position emphasizes technical credibility, customer problem-solving, and rapid validation in high-velocity sales cycles.

Databricks London, United Kingdom

Hybrid Permanent