Latest Software Engineering Jobs

Forward Deployed Engineer

Design and deploy production-grade machine learning systems for high-impact clients in national security and AI safety. Develop scalable ML infrastructure, lead technical architecture decisions, and translate complex AI concepts for stakeholders. Work across the full ML lifecycle from prototyping to deployment using modern cloud and containerisation technologies.

Faculty London, United Kingdom

Hybrid Permanent

Senior Forward Deployed Engineer

Design and build scalable, production-grade machine learning systems for high-impact clients in national security and AI safety. Lead technical architecture, deploy secure AI solutions on cloud platforms, and mentor engineering teams. Work cross-functionally to translate complex AI concepts into operational systems while adhering to rigorous ethical and security standards.

Faculty London, United Kingdom

Permanent

AI Architect

The Senior Generative AI Architect will design, develop, and implement advanced generative AI solutions, ensuring scalability, security, and ethical considerations. They will lead the architecture and deployment of AI models, collaborate with cross-functional teams, and stay updated on the latest AI advancements.

Coforge London, United Kingdom £100,000 – £120,000 pa

Postdoctoral Researcher in Large Language Model Development

The role involves curating and processing multilingual humanities data, pre-training and fine-tuning large language models, and developing evaluation benchmarks. You will work closely with subject specialists and contribute to open-source research and publications.

University of Oxford Oxford, South East England, United Kingdom £39 – £41 pa

Contract

Cyber AI Engineer

This role involves hands-on development of AI-powered solutions for cyber security operations, focusing on prototyping, experimentation, and proof-of-concept development. You will work closely with an AI Solution Architect and Business Analyst to translate cyber use cases into secure and viable AI solutions, using technologies like OpenAI, LLMs, and RAG.

CBSbutler Holdings Limited trading as CBSbutler London, United Kingdom £400 – £425 pd

Remote Contract Clearance Required

Machine Learning Research Engineer

This role involves prototyping, building, and implementing new AI approaches, as well as evaluating their quality and efficiency. You'll work in a dynamic R&D team at a leading AI company, focusing on data-driven solutions to AI problems.

Luminance Cambridge, United Kingdom

Hybrid Permanent

Platform Engineer

This role involves designing and scaling Kubernetes-based hybrid compute clusters across private and public clouds, building core platform services, and supporting machine learning workflows. The engineer will enhance CI/CD pipelines, implement monitoring and disaster recovery systems, and collaborate closely with data science and ML teams to optimize infrastructure for drug discovery. The position is central to enabling scalable, secure, and reliable computational platforms for biomedical innovation.

Relation Therapeutics London, United Kingdom

Hybrid Permanent

AI Accelerator Lead

The AI Accelerator Lead will establish and drive a strategic initiative to unlock enterprise-wide value from AI, combining technical leadership with programme-level influence. Responsibilities include designing and operating the AI Accelerator, exploring advanced AI techniques, and building high-impact prototypes that evolve into scalable solutions.

Key Recruitment Southampton, Hampshire, United Kingdom £70,000 – £92,258 pa

Senior ML Engineer

Design and deploy production-grade NLP systems and large language models tailored for financial services, with a focus on scalability, data governance, and regulated environments. Develop fine-tuned, low-latency AI workflows integrated into cloud infrastructure, while mentoring engineers and advancing evaluation methodologies for LLM outputs. Work across the full ML lifecycle from research to deployment in a remote-first, innovation-driven team.

Aveni United Kingdom

Remote Permanent

Research Engineer, Machine Learning (RL Velocity)

This role involves building and optimizing the machine learning infrastructure that supports Anthropic’s reinforcement learning research. You'll work closely with researchers to improve training efficiency, debug performance bottlenecks, and develop tooling that accelerates model development. The position focuses on high-leverage platform improvements that scale across the entire research team.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Staff Infrastructure Engineer, Cluster Infrastructure

This role focuses on designing and managing large-scale compute cluster infrastructure, with a strong emphasis on automation, security, and scalability. The engineer will lead technical strategy for provisioning and lifecycle management of clusters across cloud and on-prem environments, ensuring high-bandwidth interconnectivity and fault tolerance. Responsibilities include cross-team collaboration on compute strategy, operational excellence, and mentoring other engineers.

Anthropic London, United Kingdom £325,000 – £485,000 pa

Senior AI Engineer

Design and implement end-to-end AI/ML systems using generative AI, LLMs, and agentic frameworks to extract insights from biomedical literature and data. Focus on production-grade reliability, model quality, and collaboration with product and engineering teams to deliver user-facing features. Mentor junior engineers and contribute to a culture of technical excellence and knowledge sharing.

Causaly London, United Kingdom

Hybrid Permanent

Lead Data Scientist /Deep Learning Practitioner

Lead the development and deployment of deep learning models to enhance underwriting systems, focusing on non-traditional and multi-modal data. Work closely with stakeholders to translate R&D into production solutions, using advanced neural networks like LSTMs, RNNs, and Transformers. Operate in a collaborative, innovation-driven environment with strong support for professional growth and technical excellence.

Capital One Loughborough, Leicestershire, LE11 2QG, United Kingdom

Lead Data Scientist /Deep Learning Practitioner

Lead the development and deployment of deep learning models to enhance underwriting systems using non-traditional and multi-modal data. Design and train neural networks such as LSTMs, RNNs, and Transformers, bridging research with production deployment. Collaborate with stakeholders to drive data science initiatives from prototype to impact, while mentoring junior team members and shaping technical direction.

Capital One Boultham, Lincolnshire, LN6 7TG, United Kingdom

SWE Fellow - Human Frontier Collective (UK)

Work on high-impact AI evaluation projects by designing domain-specific problems and datasets to assess advanced generative models. Collaborate with leading researchers and contribute to technical reports and publications in applied AI. Engage in flexible, interdisciplinary research with a global network of experts while using Python, Java, or other programming languages to improve model reasoning and performance.

Scale AI United Kingdom

Remote Contract Flexible