Jobs in London

Developer Evangelist

This role involves driving developer adoption of Synthesia's AI video API by creating practical technical content, building sample applications, and engaging directly with developer communities. The Developer Evangelist will act as a bridge between external developers and internal product teams, producing tutorials, livestreams, and conference talks that demonstrate real-world integrations. They will also gather developer feedback to influence product direction and grow a self-sustaining developer ecosystem around the platform.

Synthesia Seattle, Washington, United States

Permanent

Mid Market Account Executive

This role involves managing the full sales cycle for Synthesia’s AI video platform within mid-market accounts (100–1,000 employees) across the US. The Account Executive will prospect outbound, qualify opportunities using MEDDPICC, and sell into diverse business functions including HR, Learning & Development, and Marketing. A key focus is expanding platform adoption across teams and building strategic account plans with a value-based, ROI-driven approach.

Synthesia Austin, Texas, United States

Hybrid Permanent

Modelling Engineer

Develop pre-silicon software models of AI accelerator hardware to support architecture design, performance analysis, and early software development. Work collaboratively across hardware, software, and machine learning teams using a co-design methodology. Contribute to the development of high-performance computing solutions for large language models.

Fractile Bristol, United Kingdom

Modelling Engineer

Develop pre-silicon software models for AI accelerator hardware to support architecture design, performance evaluation, and early software development. Work closely with hardware, software, and ML teams in a collaborative co-design environment. Models will inform product design and enable verification prior to fabrication.

Fractile London, United Kingdom

Associate Director, Platform Engineering

Lead and develop the platform engineering team responsible for hybrid infrastructure, Kubernetes-based clusters, and scientific compute environments that support machine learning and drug discovery workflows. Define platform strategy, ensure robust CI/CD, observability, and security, and act as a technical leader across engineering and data science. The role involves shaping a developer platform tailored to computational scientists and genomic data pipelines in a high-impact TechBio environment.

Relation Therapeutics London, United Kingdom

Permanent

Associate Director, Data Engineering

Lead the development and strategy of a unified data platform integrating wet and dry lab data to support drug discovery. Manage data engineering teams, optimize scientific compute pipelines using Nextflow and Seqera, and ensure FAIR data principles with strong governance and lineage. Operate in a highly interdisciplinary environment bridging biology, machine learning, and engineering.

Relation Therapeutics London, United Kingdom

On-site Permanent

IT Support Engineer

This role involves providing hands-on IT support to employees in Lisbon and remotely to global offices, with a focus on Mac and Linux systems. The engineer will deploy and manage hardware, maintain office IT infrastructure, and contribute to system improvements through scripting and automation. As the first IT hire in Lisbon, the individual will play a key role in shaping local support processes while collaborating with a global team.

Thought Machine Lisbon, Portugal

On-site Permanent

Engineering Manager

Lead and develop a team of engineers while contributing technically to complex, cloud-native banking technology projects. Bridge product, client, and engineering teams to deliver scalable, secure solutions on a modern tech stack. Balance hands-on technical work with people management and strategic delivery in a fast-paced, high-ownership environment.

Thought Machine Lisbon, Portugal

On-site Permanent

Senior Security Researcher

This role involves researching emerging threats in generative AI systems, including prompt injection, poisoning, and extraction attacks. The candidate will investigate attacker tradecraft, provide actionable feedback on product performance, and collaborate with machine learning and product teams. Work includes both rapid prototyping and open-ended research to enhance AI-driven cyber resilience.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Security Engineer

This role involves a 12-week training programme in threat detection and investigation, followed by joining the security engineering team to develop AI-driven hypotheses for Darktrace's Cyber AI Analyst. You'll work across security analysis, machine learning, and software engineering to automate threat detection across networks, cloud, and email. The role requires collaboration with ML, security research, and engineering teams to continuously improve AI responses based on real-world feedback.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior Solutions Architect, Higher Education and Research - Open Models and LLM

This role involves partnering with academic and research institutions to advance AI and HPC initiatives using NVIDIA's accelerated computing platforms. The Solutions Architect will guide researchers in integrating NVIDIA technologies into large-scale projects, particularly around large language models and open models. Responsibilities include technical advisory, hands-on training, prototyping, and translating research needs into engineering feedback.

NVIDIA United Kingdom

Psychology Graduates

Psychology Graduates - Graduate Teaching AssistantSutton | September 2026 StartAre you a Psychology Graduate looking to gain meaningful, hands-on experience in education before progressing into a career in educational psychology, child psychology, teaching, speech and language therapy, or mental health...

Academics Sutton, United Kingdom £95 – £120

Principal AI Engineer

This role involves designing and building intelligent AI systems that solve complex user problems at scale, with a focus on end-to-end development of AI-powered products from concept to production. The engineer will drive innovation by applying modern generative AI technologies and large language models to real-world customer challenges, while shaping technical strategy and product direction. The position emphasizes experimentation, product thinking, and establishing best practices for AI development within a high-growth AI and data business.

eFinancialCareers London, United Kingdom

Permanent

Computer Vision Engineer

A Computer Vision Engineer will lead high-impact AI initiatives in the defence sector, designing and deploying advanced computer vision systems that solve real-world challenges. The role involves technical leadership, mentoring, shaping strategic capability, and contributing to business development through cutting-edge research and production deployment. Work spans on-site client collaboration and flexible UK-based remote or office work, with a focus on ethical, reliable AI in sensitive environments.

Faculty AI London, United Kingdom

Hybrid Permanent Flexible Clearance Required

Senior Data Scientist

Leads high-impact AI projects in the defence sector, designing end-to-end data science solutions and robust software architectures. Mentors junior data scientists and collaborates with clients to translate complex problems into technical frameworks. Works on ethical, cutting-edge AI applications in high-stakes environments with a focus on delivery rigor and technical excellence.

Faculty AI London, United Kingdom

Remote Permanent Flexible Clearance Required