13 of 13 Research Engineer Jobs in Central London

Research Engineer – Foundation Models | London (On-site) We’re partnering with a stealth-mode deep tech AI lab based in London that’s building foundation models from the ground up . This isn’t fine-tuning or prompt engineering, it’s genuine model pre-training, post-training, and large-scale systems research. The company secured substantial funding in … s a rare opportunity to get in early at a company that will define its own category once it comes out of stealth next year. The Role As a Research Engineer, you’ll play a key role in designing, training, and evaluating large-scale models and distributed systems. You’ll work closely with experienced colleagues who have scaled … some of the world’s largest AI systems, helping to drive both the research and infrastructure that underpin next-generation foundation models. You’ll have a high degree of autonomy and ownership, contributing directly to experiments, training pipelines, and evaluation frameworks that will inform how the models evolve over time. What You’ll Work On Designing and developing large More ❯

Research Engineer – Foundation Models | London (On-site) We’re partnering with a stealth-mode deep tech AI lab based in London that’s building foundation models from the ground up . This isn’t fine-tuning or prompt engineering, it’s genuine model pre-training, post-training, and large-scale systems research. The company secured substantial funding in … s a rare opportunity to get in early at a company that will define its own category once it comes out of stealth next year. The Role As a Research Engineer, you’ll play a key role in designing, training, and evaluating large-scale models and distributed systems. You’ll work closely with experienced colleagues who have scaled … some of the world’s largest AI systems, helping to drive both the research and infrastructure that underpin next-generation foundation models. You’ll have a high degree of autonomy and ownership, contributing directly to experiments, training pipelines, and evaluation frameworks that will inform how the models evolve over time. What You’ll Work On Designing and developing large More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: Industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Understanding of LLM architectures, pre and/or post-training … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: Industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Understanding of LLM architectures, pre and/or post-training … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 2-3 years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Strong understanding of LLM architectures, pre … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

your work. Co-hire your future colleagues. Work closely with the founding team and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 2-3 years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Strong understanding of LLM architectures, pre … Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Research Engineer” - make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays More ❯

top-tier investors, including Accel, Nvidia, Kleiner Perkins, Google and top founders and operators including Stripe, Datadog, Miro, Webflow, and Facebook. What you'll do at Synthesia: As a Research Engineer you will join a team of 40+ Researchers and Engineers within the R&D Department working on cutting edge challenges in the Generative AI space, with a … creating highly realistic, emotional and life-like Synthetic humans through text-to-video. Within the team you’ll have the opportunity to work on the applied side of our research efforts and directly impact our solutions that are used worldwide by over 55,000 businesses. If you are an expert in post-training Diffusion models for generative AI, this … the efficiency of diffusion models used in avatar generation. Analyze and address challenges related to model performance, ensuring high-quality output in avatar rendering. Stay updated with the latest research and advancements in diffusion models, adversarial networks and post-training optimization methods. What we're looking for: You have a background in Computer Vision/Computer Science and 3+ More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis on … privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the challenge of optimising distributed systems, designing More ❯

Role: Staff Software Engineer (Rust & AI Inference) Location: London (2–3 days a week onsite) Compensation: Up to £160,000 + equity We’re supporting an emerging deep tech company building high-performance infrastructure to support AI model deployment at scale. They’re focused on enabling enterprises to run advanced AI systems in production, with a strong emphasis on … privacy, performance, and full-stack control. This is a hands-on senior IC role for an engineer who thrives in low-latency, compute-intensive environments, and enjoys mentoring others. You’ll play a key role in shaping the core inference layer powering complex real-time AI workflows. If you're excited by the challenge of optimising distributed systems, designing More ❯

high-visibility projects - designing, building, and delivering intelligent solutions that solve real business problems at scale. What you’ll bring: PhD in a STEM field with demonstrated experience in research and development to solve complex, previously unseen problems. Hands-on experience building production-grade solutions using LLMs, RAGs, MCPs, and agentic workflows. Client-facing experience with a forward deployed … delivery skills: ability to translate complex business problems into scalable, intelligent AI solutions. What you’ll do: Tackle some of the most complex and exciting client problems, using your research skills to come up with innovative solutions. Collaborate with others to work on strategic research initiatives. Collaborate directly with top-tier enterprises to understand needs, design and deploy More ❯

high-visibility projects - designing, building, and delivering intelligent solutions that solve real business problems at scale. What you’ll bring: PhD in a STEM field with demonstrated experience in research and development to solve complex, previously unseen problems. Hands-on experience building production-grade solutions using LLMs, RAGs, MCPs, and agentic workflows. Client-facing experience with a forward deployed … delivery skills: ability to translate complex business problems into scalable, intelligent AI solutions. What you’ll do: Tackle some of the most complex and exciting client problems, using your research skills to come up with innovative solutions. Collaborate with others to work on strategic research initiatives. Collaborate directly with top-tier enterprises to understand needs, design and deploy More ❯