Latest Software Engineering Jobs

Machine Learning Engineer

Design and deploy production-grade machine learning systems for high-impact clients in national security and AI safety. Work across the full ML lifecycle, from prototyping to scalable deployment, using cloud infrastructure and modern MLOps practices. Collaborate with cross-functional teams to deliver secure, reliable AI solutions that solve real-world challenges.

Faculty London, United Kingdom

Hybrid Permanent

Member of Technical Staff, Post-Training

Design and implement high-performance, scalable software for training and post-training of large language models, with a focus on achieving state-of-the-art results through SFT and RL techniques. Work across research and engineering to optimize training cycles and model performance on large-scale distributed systems. Collaborate with specialist teams to deliver robust, production-ready models.

Cohere London, United Kingdom

Hybrid Permanent

Member of Technical Staff, Data Analysis and Evaluation

Design and conduct data collection tasks with human annotators, evaluate dataset quality, and assess the robustness of large language models. Apply statistical methods and machine learning to improve model performance across diverse use cases in close collaboration with researchers and engineers.

Cohere London, United Kingdom

Remote Permanent

Lead Data Scientist /Deep Learning Practitioner

Lead the development and deployment of deep learning models to enhance underwriting systems, using advanced neural networks on structured and unstructured data. Translate research into production solutions while mentoring team members and collaborating with stakeholders. Work across the full lifecycle from prototyping to scalable implementation in a hybrid office environment.

Capital One Mansfield, Nottinghamshire, United Kingdom

Lead Data Scientist /Deep Learning Practitioner

Lead the development of deep learning models to enhance underwriting systems using non-traditional data such as text, logs, and time series. Design and deploy neural networks including LSTMs, RNNs, and Transformers, bridging research with production deployment. Collaborate with stakeholders to drive data science initiatives from prototype to market impact.

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

Commercial Lending AI Platform Lead - NatWest Group

In this high-impact role, you will lead the strategic vision and roadmap for the Commercial Lending AI Platform, ensuring alignment with business priorities and technology strategy. You will be responsible for designing and delivering enterprise-grade AI platform capabilities, including orchestration frameworks, agent lifecycle management, and governance controls, while driving engineering excellence and operational efficiency.

eFinancialCareers London, United Kingdom

Anthropic Fellows Program, ML Systems & Reinforcement Learning

Engage in a 4-month full-time empirical research project on ML systems and performance, mentored by Anthropic researchers. Work includes building CPU simulators, accelerator backends, or synthetic data pipelines using open-source tools and large-scale systems. Projects aim for public outputs such as papers, with access to significant compute resources and a collaborative AI safety research environment.

Anthropic United Kingdom

Hybrid Internship

AWS Cloud DevOps Engineer

This role involves architecting, deploying, and supporting AI and machine learning solutions on AWS. You will design ML pipelines, develop scalable tools, and facilitate the deployment of proof-of-concept systems, working closely with data scientists and clients to ensure auditability and security.

eFinancialCareers London, United Kingdom

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

Senior Software Security Developer – Core Platform Services

This role involves designing and implementing core security features for a high-performance simulation platform, with a strong focus on authentication, secure coding standards, and cross-team collaboration. The developer will act as a security SME, conducting threat modeling, code reviews, and mentoring engineers across the organization. Work spans identity protocols, platform guardrails, and incident response support within a fast-paced, AI-driven engineering environment.

PhysicsX London, United Kingdom

PhD Robotics Engineering (2027 start)

This internship involves hands-on work with robotic learning systems, from data collection and model training to real-world deployment. You'll collaborate with a team of experts on diverse projects, using cutting-edge technology to solve real-world problems in healthcare and industry.

Cambridge Consultants United Kingdom

On-site Internship Flexible

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

Staff Software Engineer, AI Reliability Engineering

This role focuses on ensuring the reliability and resilience of large language model serving systems across the full stack, from API layers to accelerators. You'll design service level objectives, build observability systems, lead incident response, and collaborate across teams to strengthen critical infrastructure. The position demands a systems thinker with strong distributed systems experience and a proactive approach to improving robustness in high-scale AI environments.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Permanent

Software Engineer, Cloud Infrastructure

Design and build scalable, secure cloud infrastructure platforms that support OpenAI's products, including ChatGPT and the API. Work with Kubernetes, networking, and cloud abstractions while ensuring system reliability and contributing to a safety-first culture. Participate in on-call rotations and help scale systems to meet growing demand.

OpenAI London, United Kingdom

Permanent

Software Engineer, Platform Systems

Design and build distributed failure detection, tracing, and observability systems to ensure reliable, efficient training of large-scale AI models. Work closely with research and infrastructure teams to debug and optimize performance across custom supercomputing environments. Focus on low-level systems, hardware awareness, and real-time insights into complex distributed workloads.

OpenAI London, United Kingdom

Permanent