Latest Software Engineering Jobs

Senior Solutions Architect – Large Scale AI Training

This role involves serving as a technical advisor to leading AI organizations in EMEA, focusing on large-scale distributed training and post-training of advanced AI models such as Mixture-of-Experts. The architect will guide customers on optimizing training efficiency, infrastructure, and software stacks using NVIDIA's full stack including NeMo and Megatron-LM, while influencing product development through direct customer feedback. The position bridges deep technical expertise with strategic collaboration across research, engineering, and developer communities.

NVIDIA

Remote Permanent

Senior Performance Engineer

Analyze end-to-end performance of large-scale AI workloads across compute, network, storage, and software stacks. Design and execute performance studies, diagnose bottlenecks, and drive optimizations. Collaborate with deep learning engineers and platform teams to improve AI system performance and efficiency.

NVIDIA United Kingdom

PhD Physicist

This role involves tackling complex, multidisciplinary challenges across healthcare, defence, and energy by applying advanced physics and experimental techniques to real-world engineering problems. You'll work on innovative projects such as novel imaging systems, ultrasonic measurement, and magnetic positioning, combining theoretical knowledge with hands-on development. The position emphasizes rapid learning, technical creativity, and collaboration within a supportive, R&D-focused environment.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required

AI & Algorithms Engineer (Defence & Security)

This role involves leading the development of advanced AI and machine learning systems for defence and security applications, including signal processing, edge AI, and information processing with transformers. The engineer will deliver data-driven solutions, mentor junior staff, and contribute to client-facing technical proposals and demonstrators. Work includes translating research into deployable systems, with a strong emphasis on technical ownership and innovation in high-stakes domains.

Cambridge Consultants United Kingdom

Hybrid Permanent Clearance Required

Forward Deployed Engineer, Agentic Platform (Europe)

This role involves working closely with enterprise customers to design, build, and deploy AI-powered agents that solve complex business problems. You will lead the development of agentic workflows using LLMs, ensuring reliability, security, and performance, while also contributing to the North AI workspace platform.

Cohere London, United Kingdom

Hybrid Permanent

Full-Stack Engineer (Back-End Leaning)

This role involves building and maintaining scalable backend systems that power AI-driven voice and creative tools used by millions. You'll work on enhancing platform functionality, integrating with enterprise solutions, and improving infrastructure performance and security. Collaboration with frontend, growth, and sales teams ensures customer needs are met through robust, innovative engineering.

ElevenLabs United Kingdom

Remote Permanent

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves collaborating with researchers and engineers to advance the capabilities and safety of large language models through reinforcement learning. Responsibilities include developing core RL infrastructure, designing novel training environments, and optimizing performance across the stack.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

[Expression of Interest] Research Engineer / Scientist, Alignment - London

This role involves conducting experimental research in AI safety and alignment, focusing on risks from advanced AI systems. You'll design and run machine learning experiments—such as testing safety robustness, developing control methods, and stress-testing alignment—to improve the reliability and steerability of AI. The work is highly collaborative, involving contributions to research papers and close coordination with teams like Interpretability and Fine-Tuning.

Anthropic London, United Kingdom £260,000 – £370,000 pa

Hybrid Permanent

Elite Quant Researcher -Global Systematic Investment Firm/ London/ USA

This role involves researching and developing mathematical and statistical models for systematic investment strategies, using advanced techniques in machine learning and large-scale data analysis. The researcher will work across the full lifecycle—from hypothesis generation and model testing to production implementation—within a collaborative environment alongside portfolio managers and engineers. The position emphasizes original, rigorous research applied to global financial and alternative datasets.

eFinancialCareers London, United Kingdom

Research Scientist (Applied LLMs), London

A Research Scientist role focused on applying Large Language Models to drug discovery challenges, working within an interdisciplinary team of AI and life sciences experts. The position involves developing novel LLM-driven methods, refining models for biological and medical applications, and collaborating across scientific domains. The role requires deep technical expertise in LLMs and a strong foundation in machine learning and computational science.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Research Scientist (Machine Learning), London

A Research Scientist in Machine Learning will develop novel deep learning models and algorithms to accelerate drug discovery, working in a cross-disciplinary environment with scientists and engineers. The role involves designing architectures, training models, and applying cutting-edge ML techniques to biological and chemical problems, with opportunities to lead projects and mentor others depending on experience.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

This role involves leading end-to-end technical program delivery for AI deployments within UK public sector and defence organisations. The individual will act as a bridge between Cohere’s advanced AI capabilities and government stakeholders, managing complex procurement, security, compliance, and integration requirements. Success requires navigating air-gapped environments, high-stakes governance, and multi-team coordination to ensure responsible, secure, and scalable AI adoption.

Cohere London, United Kingdom

Hybrid Permanent Clearance Required

Full-Stack Engineer - Creative Studio

Develop and maintain full-stack components for ElevenLabs' Creative Studio products, including image/video, music, and generative AI features. Work across API and UI layers to build new proof-of-concept products and scale them, while collaborating closely with engineering, growth, and sales teams. Focus on high-ownership projects involving cutting-edge voice models and large-scale data systems.

ElevenLabs United Kingdom

Remote Permanent

Member of Technical Staff, Applied AI

Develop and deploy proprietary generative AI models into pharmaceutical and biotech customer environments, bridging deep technical understanding with production engineering. Collaborate closely with researchers and customer teams to adapt models, build robust ML pipelines, and deliver performant, secure inference systems. The role involves translating scientific requirements into technical solutions and feeding insights back into model development.

Latent Labs London, United Kingdom, United Kingdom

Hybrid Permanent

Applied AI Engineer

This role involves designing and building production-grade AI systems using LLMs, RAG, and related technologies. You will work closely with research and engineering teams, take ownership of technical problems, and provide guidance to junior engineers in an Agile/Scrum environment.

SoCode London, United Kingdom £120,000 – £140,000 pa