8 devops engineer jobs found in London

Rate: £600/day Outside IR35 Contract Length: 12 Months Work Model: Hybrid, 2 days in Central London DevOps Engineer will: * Be part of a software development team working to improve the reliability, observability, consistency, developer experience and security posture of the Guardian's technical estate through: * building the Guardian's next generation Developer Experience platform * OR enabling teams to adopt modern tooling provided by the new platform * Define and develop new infrastructure patterns using modern best practices that improve consistency between environments and simplify the process of setting up and running applications. * Improve reliability and efficiency by reviewing existing observability features and implementing alternatives or additional improvements where necessary. * Reduce the team's ongoing maintenance burden by adopting third-party replacements for bespoke tooling where appropriate * Define migration strategy and work with teams to...

We are seeking a highly capable Site Reliability Engineer/DevOps Engineer to join our client (financial services) on a remote contract basis, beginning with a 6 month term, with extensions planned. This role will be operation outside of IR35, and will be fully remote working. Responsibilities: Design, build, and maintain robust migration pipelines to support application and infrastructure transformation initiatives Automate deployment, release, and operational processes to improve efficiency and reduce manual intervention Provide hands-on support for application and infrastructure migration activities, ensuring minimal disruption and strong performance Enhance platform reliability, scalability, and performance through proactive monitoring and continuous improvement Develop and maintain runbooks, operational procedures, and documentation to support incident response and platform operations Collaborate with engineering teams to embed DevOps and SRE best practices across...

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented ‘Full Stack JavaScript Developer’ who is proficient in front and back-end development. (React/Node.js), with an emphasis on backend Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react / next.js Designing and building Node.js / GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving some of the most complex technology and security challenges within the UK public sector. We are currently supporting a landmark transformation of a cross-government secure IT system, helping to build and modernise critical digital services, cloud platforms, infrastructure capabilities, and workplace technologies that underpin national decision-making. We don't believe in rigid hierarchies or billing by the hour. We are a lean, expert team focused on delivering meaningful outcomes in highly secure environments. If you are passionate about Agile delivery, servant leadership, and helping teams achieve their full potential, we would love to hear...

AI Engineer - LLM & Agentic Systems London - Hybrid. Circa £500 – £675 per day (and negotiable DOE) Contract (Outside IR35) Mid-level, Senior & Lead. Agentic AI / Machine Learning. Company: Our client is a globally established B2B information and professional services business, operating across multiple high-value industry sectors. They have established data science and machine learning engineering teams already delivering in production, and are now expanding their AI capability significantly across the global organisation. This is a role for people who ship. If you've built LLM-powered systems and agentic workflows that are live in production - not demos, not prototypes - and you want to do that at genuine scale, this is worth applying for. What you'll be working on as an AI Engineer - LLM & Agentic Systems: Designing and building AI agents and agentic workflows - combining LLMs, RAG, reasoning, memory and tool orchestration to...

AI Engineer - LLM & Agentic Systems London - Hybrid. Circa £500 - £675 per day (and negotiable DOE) Contract (Outside IR35) Mid-level, Senior & Lead. Agentic AI/Machine Learning. Company: Our client is a globally established B2B information and professional services business, operating across multiple high-value industry sectors. They have established data science and machine learning engineering teams already delivering in production, and are now expanding their AI capability significantly across the global organisation. This is a role for people who ship. If you've built LLM-powered systems and agentic workflows that are live in production - not demos, not prototypes - and you want to do that at genuine scale, this is worth applying for. What you'll be working on as an AI Engineer - LLM & Agentic Systems: Designing and building AI agents and agentic workflows - combining LLMs, RAG, reasoning, memory and tool orchestration to solve real,...