19 of 19 Contract Platform Engineering Jobs in London

Backend Platform Engineer Remote, UK 6 Month Contract An exciting opportunity for a Backend Platform Engineer with a strong software engineering background to join a prestigious tech client on a contract basis. This is a well-regarded engineering environment where contractors speak highly of the fast-paced, collaborative culture, and the real autonomy they're given … to make an impact. As a Backend Platform Engineer, you'll focus on building tools, services, and systems that make life easier for developers and accelerate delivery across the business. From improving CI/CD pipelines and service deployment to shaping internal platforms and runtime environments, your work will help enable fast, secure, and reliable software delivery at scale. … and engineers across the stack to enhance developer experience, troubleshoot complex systems, and improve observability. This isn't a maintenance role - you'll be building, iterating, and solving meaningful engineering problems, with a strong focus on clean code, robust security practices, and modern cloud infrastructure. Backend Platform Engineer - Key Requirements: Solid experience in software engineering, platform More ❯

Job Title : Product Manager - MLOps Platform (AdTech Focus) Location : Remote (UK BASED) Salary/Rate : £550 Inside IR35 Start Date : 18/08/25 - 31/12/25 Job Type : Contract MUST BE ELIGIBLE FOR BPSS About the Client: Our client is a global leader in the digital advertising space, driving innovation across programmatic media, data platforms … and real-time analytics. They are embarking on a strategic initiative to build a greenfield MLOps platform to power advanced machine learning use cases across their AdTech ecosystem. This is a fully remote role, inside IR35, offering the chance to own and shape foundational ML infrastructure at scale. Key Responsibilities: Define and own the product vision and roadmap for … a brand-new MLOps platform, built from the ground up to support scalable, secure, and efficient ML model development, deployment, and monitoring. Work closely with data science, engineering, analytics, and AdOps teams to understand current workflows and identify opportunities to streamline and automate the ML lifecycle. Assess existing data, analytics, and infrastructure frameworks to identify reusable components and More ❯

experience with Azure DevOps tools and services Deep understanding of CI/CD pipelines , Infrastructure as Code, and automation Experience with Terraform , Kubernetes , and PowerShell Background in infrastructure or platform engineering Excellent communicator with a collaborative mindset Able to work independently and deliver to tight deadlines Familiar with Agile delivery environments This is a hybrid role - with More ❯

Role Title: Product Manager - MLOps Platform (AdTech Focus) Location: Remote | UK Based Duration: 31/12/2025 MUST BE THROUGH UMBRELLA Role Description: We're looking for a forward-thinking Product Manager to lead the end-to-end development of a greenfield MLOps platform tailored for the fast-paced and data-intensive world of AdTech. This is … foundational capability that will power advanced machine learning use cases across our advertising ecosystem. Key Responsibilities: Define and own the product vision and roadmap for a brand-new MLOps platform, built from the ground up to support scalable, secure, and efficient ML model development, deployment, and monitoring. Work closely with data science, engineering, analytics, and AdOps teams to … and automate the ML lifecycle. Assess existing data, analytics, and infrastructure frameworks to identify reusable components and define the architectural blueprint for the MLOps platform. Collaborate with backend and platform engineering teams to identify technical gaps, scope backend development efforts, and deliver core platform capabilities such as: Model training orchestration CI/CD for ML (e.g., using More ❯

Platform Engineer £450 - £500 per day Outside IR35 6 - months Remote Company A well-established investment and asset management organisation is looking for a Platform Engineer to undertake a large-scale data transformation, building out a new cloud-native data platform to support decision-making across the business. The firm is part-way through the development of … project has strong executive sponsorship and is being delivered in partnership with a specialist data architect. As the work progresses into its next phase, the business is hiring a Platform Engineer to join the build effort, with a particular focus on infrastructure, automation and pipeline orchestration. This Platform Engineer will sit within the central finance and planning function … and work closely with senior stakeholders, including programme sponsors and business leads. Key responsibilities - Platform Engineer Support the build and enhancement of a cloud-based data platform using Snowflake on Azure, working within an established technical framework. Develop infrastructure components and manage deployment through infrastructure-as-code practices. Collaborate with internal stakeholders to ensure the data platform More ❯

A fantastic opportunity has arisen for a technically strong Platform Engineer to join a global professional services firm. The successful candidate will work as part of a dynamic team responsible for the delivery and support of core IT infrastructure, with a strong focus on infrastructure automation and cloud technologies. About the Role: The Platform Engineer will contribute to … infrastructure as code practices, and provide technical guidance across the wider IT function. This is a critical role in driving forward modern IT service delivery through automation and scalable platform solutions. Key Responsibilities: Deliver infrastructure as code using tools such as Terraform, GitHub Actions, and Azure DevOps. Build and maintain platform services supporting internal development and infrastructure teams. … Provide 3rd-line support and participate in platform and architectural design discussions. Enhance automation, CI/CD capabilities, and system integration with tools like ServiceNow. Ensure platforms are secure, scalable, and fit for purpose. What We’re Looking For: Significant experience in platform/infrastructure engineering within complex environments. Expertise in Terraform, PowerShell or Python scripting, and More ❯

and summarisation Developing modular LLM workflows (e.g., RAG, graph-based reasoning) optimised for low-resource deployments Integrating structured and unstructured data: transcripts, policy documents, supply chain models Collaborating with platform engineers to containerise models for edge inference Defining evaluation frameworks using both metrics and human-in-the-loop feedback Supporting secure deployment across classification levels and offline environments Participating More ❯

Job Title: Platform Engineer - DevOps Location: London Duration: Until 31/12/2025 Rate: £280/day (PAYE via Umbrella only) Clearance Required: Eligible for BPSS We're seeking a Platform Engineer (DevOps) with strong experience in CI/CD pipelines and Windows infrastructure. This role focuses on scripting, automation, and deployment in a Microsoft tech environment. More ❯

organisation. This is a contract role with an industry-leading IT services provider, working as part of a dedicated delivery team. The Role: Youll be contributing to a strategic platform migration, helping to design, implement, and support container orchestration solutions in an enterprise environment. This project involves modernising infrastructure using Kubernetes and Rancher, working alongside cloud and DevOps engineers … clusters using Rancher in a production environment Assist with the migration of legacy services to containerised platforms Implement security, monitoring, and logging best practices for container workloads Collaborate with platform engineers, architects, and client stakeholders Provide technical documentation and knowledge transfer to internal teams Participate in occasional on-site sessions in London for key meetings or workshops Essential Skills More ❯

Platform Engineer (HashiCorp Nomad) £615 per day inside IR35 Location: London 6 months + 3 days per week onsite in London, 2 days WFH (remote) My client, a leading digital transformation agency are actively recruiting for an experienced Platform Engineer (HashiCorp Nomad) to assist in delivering critical infrastructure services for a well known bank. The successful Platform More ❯

Platform Engineer (Contract) – Cleared AI Infrastructure Programme Contract | Inside IR35 | £750-£850/day | Hybrid/Secure Site | SC/DV Cleared | UK Nationals Only Contract Length: Initial 3-month engagement (rolling), part of a 6–9 month delivery plan We’re supporting a fast-moving UK-based AI software company delivering a major MOD-backed programme. They're … building a mission-critical AI capability for deployment in a secure environment and need platform engineers who thrive in complex, high-stakes settings. You’ll work on the cutting edge of DevSecOps, enabling LLM-backed systems to run without cloud dependencies on uncertain, low-spec hardware in some of the most demanding settings in the world. What You’ll More ❯

Platform Engineer (Contract) About the Role You are a systems infrastructure expert with deep experience in cloud-native environments, container orchestration, and deployment pipelines. You are motivated by high-impact work, and you know how to deliver resilient systems in constrained, secure settings. You think in terms of environments, portability, and deployment surfaces and not just code. This role … gapped deployments of AI applications. These systems need to operate on uncertain hardware, and without access to public cloud or external APIs. While we operate a production-scale SaaS platform, this project requires building leaner, mission-specific deployments rooted in the same tech foundations. You will work closely with a cross-functional team of frontend engineers, data scientists, backend More ❯

Google Platform Engineer with strong GCP DevOps, Jenkins and/or Harness pipeline automation, Terraform, Python, GKE Location: [London] | Hybrid/Remote Duration: [3-6 months initial, likely long term extension] We're looking for an experienced Google Platform Engineer to lead a key migration project moving our CI/CD pipelines from Jenkins to Harness . If … you're passionate about automation, cloud native technologies and building scalable infrastructure on Google Cloud Platform (GCP) , we'd love to hear from you. What You'll Bring: CI/CD & DevOps Tooling Deep hands-on experience with Jenkins , including: Shared Libraries SonarQube & Nexus integration Docker builds and image publishing Google Artifact Registry (GAR) integration Infrastructure & Cloud Strong knowledge More ❯

Job Title: Messaging & infrastructure Middleware platform engineer -Transport Layer ( unix, AMPS/Tibco EMS/Kafka) Contract: 12 Months Location: London (2 to 3 Days Onsite) Work Pattern: Full Time Rate: Highly Competitive for Suitable Candidates Are you a passionate infrastructure Middleware Support engineer ready to make an impact in the fast-paced financial industry? Our client is looking … plus, but a strong eagerness to learn is just as valuable! What You'll Do: Implement new functionalities in a distributed, high-volume, low-latency, multi-threaded event processing platform using core Java technologies within a Linux/Unix environment. Engage in all aspects of the development lifecycle: from requirements discussions and development to testing, release, and support queries. More ❯

Job Title: Messaging & infrastructure Middleware platform engineer -Transport Layer ( unix, AMPS/Tibco EMS/Kafka) Contract: 12 Months Location: London (2 to 3 Days Onsite) Work Pattern: Full Time Rate: Highly Competitive for Suitable Candidates Are you a passionate infrastructure Middleware Support engineer ready to make an impact in the fast-paced financial industry? Our client is looking … plus, but a strong eagerness to learn is just as valuable! What You'll Do: Implement new functionalities in a distributed, high-volume, low-latency, multi-threaded event processing platform using core Java technologies within a Linux/Unix environment. Engage in all aspects of the development lifecycle: from requirements discussions and development to testing, release, and support queries. More ❯

Remote with occasional travel to London or Corsham Duration: 6-month initial contract SC clearance required. About the Role You are a systems thinker with deep experience in backend engineering and distributed data infrastructure. You thrive in high-stakes environments, know how to ship reliable code fast, and are pragmatic about trade-o=s. You understand the unique constraints … Defence contexts. You will help create and manage robust, portable pipelines for data ingestion, orchestration, model interaction, and querying - all within a classified, compute-constrained environment. While our SaaS platform handles production-scale workflows, this project demands thoughtful downscaling and adaptation, not replication. You will work closely with a crossfunctional team of frontend engineers, data scientists, platform engineers … querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited environments What You Bring * Strong experience building secure, scalable backend systems in Python and/or Go * Deep understanding of containerised services More ❯

company that has secured a significant MOD-backed delivery programme. They are building a mission-critical AI capability to be deployed in a secure, environment and they need backend engineering specialists who thrive in complexity. This is a unique opportunity to build adaptable, containerised backend systems to support real-time inference, transcription pipelines, and natural-language interaction layers, enabling … deliver interactive dashboards and NLP-driven workflows Ensuring system portability via containerisation (Kubernetes, Docker) Collaborating closely with data scientists to integrate self-hosted LLMs and analysis models Working with platform engineers to optimise performance in hardware-constrained deployments What You’ll Bring: Expertise in Python and/or Go for backend development in secure, distributed systems Experience working with More ❯

This is a fantastic opportunity to work as a remote Azure Platform Engineer for a FTSE listed company, inside IR35. It's important to note that this Azure Platform Engineer will be required on site for 2 days per week in either Blackfriars, London, or Sheffield city centre. The key experience required for this Azure Platform Engineer … role is: Azure Terraform Azure networking ARM If you do have the relevant skills for this Azure Platform Engineer contract, please do apply. More ❯

We're looking for a skilled Platform Engineer with experience in IAM (Identity & Access Management) and strong experience in Agile delivery to support product development and technical enablement across multi-disciplinary teams. Key Responsibilities Collaborate with teams to map user stories to platforms and build secure, scalable services Develop hardened base containers and support platform build activities Identify … delivery risks and promote best practices across engineering teams Define QA, integration and deployment pipelines for secure, automated delivery Drive adoption of emerging DevOps tools and improve support processes Ensure smooth transitions of new products into service aligned to the product roadmap Essential Skills & Experience Passion for IAM and experience developing secure systems Experience delivering against a product roadmap More ❯