Latest software engineer Jobs

Staff Software Engineer, Node Infra

This role focuses on designing and operating large-scale AI infrastructure, specifically managing the lifecycle of compute nodes across cloud and on-prem environments. The engineer will lead technical strategy for node provisioning, health monitoring, and automated repair systems, ensuring high reliability and efficiency across Anthropic's GPU, TPU, and Trainium fleets. Collaboration with research, inference, and cloud provider teams is central to shaping long-term infrastructure and compute strategy.

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

Senior Software Engineer, Identity

This role involves designing and building secure identity and access management systems for enterprise-scale AI platforms. The engineer will develop authentication and authorization solutions using standards like SSO, MFA, OAuth, and OpenID Connect, and implement fine-grained access controls such as ReBAC and RBAC. The position offers exposure to cutting-edge AI infrastructure and compliance with major security frameworks.

Scale AI London, United Kingdom

Hybrid Permanent

Staff+ Software Engineer, Safeguards Infrastructure

Build and maintain foundational systems for AI safety, oversight, and intervention mechanisms, focusing on detecting unwanted model behaviors and preventing misuse. Develop infrastructure for data management, evaluation systems, and tooling for human and agentic review while ensuring high operational reliability at scale. Work closely with cross-functional teams to implement robust, multi-layered defenses in a safety-first AI environment.

Anthropic London, United Kingdom £325,000 – £395,000 pa

Senior Software Engineer

Design and build scalable, cloud-native systems and user interfaces that integrate LLM-powered capabilities into financial workflows. Work closely with AI and product teams to deliver production-ready agentic systems on AWS. Focus on event-driven microservices, React front-ends, and robust APIs using Node.js and TypeScript.

Aveni United Kingdom

Remote Permanent

AI Software Engineer

This role involves developing and shipping full-stack features in a mature, business-critical ERP/SaaS product suite with a back-end focus in C#/.NET. The engineer will integrate AI tooling into live products, work across SQL Server and PostgreSQL databases, and collaborate closely with product teams to solve real business problems. A strong emphasis is placed on practical AI integration, code quality, and iterative development within an established codebase.

Searchability Nottingham, United Kingdom £60,000 – £80,000 pa

Staff Software Engineer - Machine Learning

This role involves leading the technical strategy for ML/AI use cases in the UK, coordinating ML engineering efforts across multiple teams, and providing technical consultancy. You will drive MLOps standards, collaborate with data science teams, and represent Capital One in external ML/AI forums.

Capital One Bunhill, London, United Kingdom

Hybrid Permanent

Senior Software Engineer (Infrastructure)

This role involves building and maintaining cloud-native infrastructure for a modern core banking platform. The engineer will develop automation, observability, and orchestration tools to support scalable deployment and management of services, working closely with engineering and SRE teams. Focus areas include CI/CD, disaster recovery, and integration with data and streaming platforms in high-consistency environments.

Thought Machine London, United Kingdom

Hybrid Permanent

Lead Software Engineer

Lead a growing engineering team while shaping the technical direction of AI-powered broadband products. Design scalable architectures, integrate LLMs with vector search and automation tools, and solve national-scale connectivity challenges using Laravel, React, Python, and AWS. Mentor junior engineers and drive innovation in a high-growth startup environment.

Broadband (UK) Limited Canary Wharf, London, E14 5AB, United Kingdom

Senior Software Engineer (C++ & Swift)

You will develop and maintain the macOS codebase using modern C++ and Swift, contributing to the design and implementation of innovative cybersecurity solutions. The role involves rapid prototyping, structured development of platforms, and mentoring team members. You will work closely with cross-functional teams, participate in code reviews, and help advance Darktrace’s AI-driven methodology for detecting and responding to unknown cyber threats.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Lead Software Engineer

The Lead Software Engineer will design and implement software solutions for underwater robotics applications, working closely with multidisciplinary teams to deliver complex projects. Responsibilities include leading technical innovation, ensuring software quality, and mentoring junior engineers.

Saab Fareham, United Kingdom

On-site Permanent Clearance Required

Staff Software Engineer - Machine Learning

This role involves leading the technical strategy for machine learning and AI initiatives across multiple teams in Capital One's UK division. You'll drive MLOps standards, guide architectural decisions, and promote reusable best practices for AI systems, including Gen AI and agentic frameworks. The position emphasizes technical leadership, cross-team collaboration, and innovation in cloud-native, customer-facing ML/AI solutions.

Capital One Ec1Y8Af, United Kingdom

Hybrid Permanent

Lead Software Engineer

Lead the technical direction of a high-growth startup building AI-powered broadband comparison and property connectivity tools. Mentor engineers, design scalable systems using Laravel, React, Python, and AWS, and develop LLM-driven retrieval and agentic workflows to transform how connectivity data is used across the UK.

BroadbandUK E145Re, United Kingdom

Full Stack Software Engineer

Build and scale AI-powered full-stack systems for global clients in regulated industries, collaborating with data scientists and product managers. Take ownership of frontend and backend architecture, turning machine learning outputs into production-ready solutions. Work in a technically rigorous environment focused on responsible AI deployment and long-term maintainability.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Forward Deployed Software Engineer

A Senior Forward Deployed Software Engineer at PhysicsX works directly with customers and internal teams to build and deploy AI-driven simulation applications that solve complex engineering problems across industries like aerospace, energy, and semiconductors. The role involves full-stack development, rapid prototyping, and on-site collaboration, with a focus on delivering production-grade tools using physics AI models. Engineers also contribute to the core platform by abstracting reusable components from customer solutions and shaping product direction.

PhysicsX England US$150,000 – US$250,000 pa

Hybrid Permanent

Staff Machine Learning Software Engineer, Research

Lead and shape research initiatives in machine learning for physics-based simulation, focusing on scalable and distributed training of foundation models. Translate research prototypes into robust, production-grade systems using cloud and HPC infrastructure, while mentoring junior engineers and guiding technical direction across the Research team.

PhysicsX London, United Kingdom

On-site Permanent