Machine Learning Jobs

Senior Solutions Architect – Large Scale AI Training

This role involves working closely with leading AI research institutions and model builders across EMEA to solve complex challenges in large-scale distributed training and alignment of neural networks. The Senior Solutions Architect will guide customers on optimizing training efficiency, infrastructure, and software stacks using NVIDIA's full AI training platform, including tools like Megatron-LM, NeMo, and Nemotron. The position bridges technical expertise, customer engagement, and product feedback, with a strong focus on cutting-edge AI workloads such as Mixture-of-Experts models and reinforcement learning-based fine-tuning.

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

Applied AI Engineer, Codex

This role involves working directly with engineering teams to design and implement AI-powered software development workflows using Codex. The engineer will build prototypes, integrations, and evaluation systems, often leveraging Codex in their own development process. They will guide clients from experimentation to production deployment, ensuring measurable improvements in developer productivity and software delivery.

OpenAI London, United Kingdom

Hybrid Permanent

Senior MLOps Engineer - DSX Enablement

This role involves building and deploying custom AI solutions on NVIDIA's NeoCloud and partner cloud platforms, with a focus on distributed training, inference optimization, and MLOps pipelines. The engineer will act as a technical advisor to both internal and external customers, diagnosing complex full-stack AI/ML system issues and contributing to open-source tools and reference architectures. Emphasis is placed on performance tuning, cross-team collaboration, and enabling cutting-edge AI workloads on NVIDIA hardware and software stacks.

NVIDIA PLN 292,500 – PLN 650,000 pa

Applied AI Engineer, Digital Natives

Design and deploy AI systems for enterprise clients, translating business needs into technical architectures and production implementations. Work hands-on with code, evaluation frameworks, and integrations while guiding customers from prototype to scalable, reliable deployment. Collaborate across OpenAI teams to turn real-world deployment insights into product improvements and reusable solutions.

OpenAI London, United Kingdom

Hybrid Permanent

Solutions Engineer - French Speaker

The Solutions Engineer role involves partnering with the sales and customer success teams to build relationships, deliver demonstrations, and design technical solutions for prospects and customers. You will help articulate the value of Synthesia's AI video platform, shape the presales function, and provide technical guidance on integrations and compliance.

Synthesia Paris, France, France

Hybrid Permanent

Staff Research Engineer - Multimodal Generative Modelling

This role involves advancing multimodal generative models that enable natural, real-time interactive conversations combining voice, text, and video. The engineer will lead research in streaming, low-latency systems, design novel architectures using diffusion and neural codecs, and ship end-to-end models into production. Emphasis is placed on emotional expressiveness, conversational realism, and tight integration across audio-visual modalities.

Synthesia London, United Kingdom

Remote 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

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

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

Sr. Solutions Architect

This role involves working closely with Databricks' largest and most complex customers to design and implement data solutions on the Databricks Lakehouse platform. The candidate will lead technical engagements, develop customer-specific strategies, and act as a trusted advisor during the sales and adoption process. Activities include leading proofs-of-concept, delivering technical workshops, and collaborating with cross-functional teams to drive platform adoption across diverse industries.

Databricks London, United Kingdom

Deployment Lead

Lead end-to-end deployment of a Kubernetes-based AI simulation platform into customer environments, serving as the primary technical liaison for C-suite stakeholders while building and scaling regional deployment teams. The role combines hands-on infrastructure leadership with executive engagement, ensuring deployments meet technical, security, and compliance standards in highly regulated industries such as aerospace, energy, and semiconductors.

PhysicsX England

Hybrid Permanent Clearance Required