33 senior platform engineer jobs found in London

Senior Platform Engineer (Cloud Media Platforms) Start ASAP (within 2-4 weeks notice) expected duration 6+ months initially London- Hybrid 2/3 days typically wfh/West London £450-470pd Outside IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. Prior experience in the media broadcasting industry, specifically with digital asset management, Cloud NAS, and video ingest or similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms) Job...

A leading company is hiring a AI Platform Engineer (MLOps/GenAI). Hybrid position - 6-month rolling contract, paying up to £1100 per day, Outside IR35 depending on experience. Experience and skills required for the AI Platform Engineer (MLOps/GenAI) Experience building, deploying, and maintaining machine learning and generative AI solutions (e.g., LLMs, embeddings, retrieval patterns, vector search, model fine‑tuning). Strong MLOps knowledge across continuous integration, deployment, monitoring, and evaluation of AI/ML models. Experience with AI infrastructure (orchestration pipelines, GPU compute, model hosting services) and scalable AI data structures (including vector databases/semantic search). Deep software engineering capability in .NET Core/C# and modern back-end engineering, with flexibility to work across languages such as Python, Go, or TypeScript. Strong understanding of distributed systems, microservices, cloud-native patterns, and modern data stores...

Senior Platform Engineer - Common Platform 6-Month Initial Contract | Outside IR35 | London I'm currently recruiting for a Senior Platform Engineer to join the Core Platform team of a leading UK media and entertainment organisation. The team is responsible for developing and evolving an internal Common Platform, providing the tooling, infrastructure and engineering patterns that enable software development teams across the organisation. This is a hands-on Platform Engineering role combining AWS, Kubernetes/EKS, Terraform, automation, CI/CD and internal developer tooling. You'll work as part of the Core Platform team, designing, developing and supporting the platform capabilities used by engineering teams across the organisation. Responsibilities include: Designing and developing reusable Infrastructure as Code modules using Terraform Building and operating production AWS EKS/Kubernetes environments Developing internal platform tools, frameworks and automation Using Python,...

Role: Senior Applied AI Engineer (Defence Contractor) Rate: £700–£900 per day, dependent on experience Location: Oxford / London Engagement: Contract, outside IR35: initial 6-month term with strong likelihood of extension Start: Immdediate start. Hybrid, with regular time on site in Oxford or London Security clearance: You must be eligible for UK security clearance (BPSS and SC. We require applicants to hold UK passport and 5 years of continuous UK residency. We can sponsor clearance for the right candidate, but given the contract nature of this role we strongly prefer candidates who already hold an active, transferable SC; DV is an advantage. If you are not eligible, we will not be able to progress your application. A note from the Founders Oxford Dynamics is at an inflection point. We build frontier AI for environments where the cost of a wrong decision is high: defence and national security, critical infrastructure, and commercial...

Senior GCP Data Engineer – Dataflow / Dataform / Apache Beam / Big Query £500 per day | Outside IR35 | 2 months, likely extension | London twice per week This isn’t a BAU Data Engineer role. You’ll join a major UK media organisation to assess, improve and potentially rearchitect an existing GCP integration connecting operational customer data with a leading CRM platform. The service was originally built on Snowflake and AWS before being migrated to GCP with limited redesign. As the Data Engineer you will have the opportunity to shape the technical direction, deliver quick wins and implement improvements that reduce processing time, monthly costs and overall complexity. The Data Engineer will need to do: Strong, hands-on GCP data engineering experience Commercial experience with Dataflow, Dataform, Apache Beam & Big Query Experience assessing and improving existing brownfield data pipelines Evidence of performance optimisation, cost reduction or...

DevOps/Cloud Engineer (AWS) | Active SC Clearance Required Rate: £550-600 per day (Outside IR35) Location: Hybrid, London (2 days per week onsite) Duration: Initial 6-month contract Start Date: ASAP Clearance: Active SC Clearance (Mandatory) The Opportunity We are supporting a major government programme seeking an experienced DevOps/Cloud Engineer to join a high-performing cloud engineering team. This role will focus on the design, automation and support of secure cloud infrastructure, enabling the delivery of modern digital services at scale. You will work closely with software engineers, architects and security teams to build resilient platforms, improve deployment processes and drive cloud adoption through infrastructure automation and DevOps best practices. Key Responsibilities Design, build and maintain AWS cloud infrastructure Develop and manage Infrastructure as Code using Terraform Build and improve CI/CD pipelines using GitHub Actions and...

Senior C# Developer - Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote If you're a strong C# engineer with genuine Event Sourcing experience and interested in a long term banking project, get in touch I'm working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform. This is a hands-on engineering role with approximately 80% Back End C#/20% frontend, working on complex, distributed systems. The role: You'll be working across a modern .NET platform, designing and developing scalable Back End services while contributing to the Angular Front End where required. The environment involves large-scale distributed systems, asynchronous processing, Multithreading and event-driven architecture. Core technical requirements: Excellent C#/.NET development experience Strong .NET 8 knowledge Previous commercial Event...

Senior Data Engineer - Databricks/Spark (High-Performance Platform) £850 p/d OUTSIDE IR35 (higher for Lead) 12-month rolling (multi-year programme) 1 day/week Max - St Paul's, London We're hiring a Senior Data Engineer to build a Databricks lakehouse platform in a high-performance, business-critical Front office Risk trading environment. This is a hands-on engineering role focused on building and optimising large-scale distributed data systems. This is a highly technical team operating at scale, we're looking for engineers with deep data engineering expertise, strong low-level Spark knowledge, and experience building high-performance systems using modern Databricks and AI-driven platforms. This is working for a Front office Risk Data team, so you MUST have experience working closely with Front/middle office users and have good domain knowledge covering Market and credit Risk and derivatives What you'll do Defining technical approach for migrating historic data...

Senior Data Engineer - Contract | Outside IR35 I’m working with a rapidly growing global technology-led business that is investing heavily in its Data & AI function and wider data platform. They’re now looking for a Senior Data Engineer to join their data enablement team and help build scalable data products and improve their analytics capabilities. The role: • Build and optimise data pipelines and data products • Design data models and support ELT processes • Work closely with Data Analysts, Engineers and business stakeholders • Translate business requirements into robust data solutions • Contribute to code reviews, testing, observability and wider data initiatives • Take ownership of projects with minimal oversight Stack: SQL | Python | GCP | dbt | Looker Key Info: 📍 Remote - London based ideally 💼 Contract - 6-month initial engagement 💷 Outside IR35 - £600-800/day Senior Data Engineer - Contract | Outside IR35

Senior DevSecOps Engineer AWS | EKS | Platform Security | Financial Services ?? Location: London/Hybrid ?? Day Rate: Up to £650 (OUTSIDE IR35) ?? Contract: Initial 6 Months We're supporting a major financial services organisation delivering a next-generation cloud platform that will underpin multiple strategic programmes and engineering teams. As a result, we're looking for a hands-on DevSecOps Engineer to join the platform security function and help build the guardrails, controls and automation that allow product and engineering teams to scale securely by default. This is an engineering-first role focused on AWS, Kubernetes, CI/CD security and platform protection. You'll work alongside Platform Engineering, Developer Platform and Security Architecture teams to ensure security is Embedded into the platform rather than bolted on afterwards. What You'll Be Doing Engineering and maintaining security controls across a multi-tenant AWS platform Implementing and...

Senior DevSecOps Engineer AWS | EKS | Platform Security | Financial Services Location: London/ Hybrid Day Rate: Up to £650 (OUTSIDE IR35) Contract: Initial 6 Months We 're supporting a major financial services organisation delivering a next-generation cloud platform that will underpin multiple strategic programmes and engineering teams. As a result, we 're looking for a hands-on DevSecOps Engineer to join the platform security function and help build the guardrails, controls and automation that allow product and engineering teams to scale securely by default. This is an engineering-first role focused on AWS, Kubernetes, CI/CD security and platform protection. You 'll work alongside Platform Engineering, Developer Platform and Security Architecture teams to ensure security is embedded into the platform rather than bolted on afterwards. What You 'll Be Doing Engineering and maintaining security controls across a multi-tenant AWS...

🚀 Senior C# Developer – Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote I’m working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform . This is a hands-on engineering role with approximately 80% backend C# / 20% frontend , working on complex, distributed systems. The role: You’ll be working across a modern .NET platform, designing and developing scalable backend services while contributing to the Angular frontend where required. The environment involves large-scale distributed systems, asynchronous processing, multithreading and event-driven architecture. Core technical requirements: • Excellent C# / .NET development experience • Strong .NET 8 knowledge • Previous commercial Event Sourcing experience – essential • Strong understanding of multithreading, concurrency and asynchronous...

A leading business is hiring a Agentic AI Developer. Hybrid position. 12-month rolling contract, paying up to £1000 per day, depending on experience. Experience and skills required for the Agentic AI Engineer, Agentic AI Developer, Python Fluency with modern ML toolchains (PyTorch/JAX, agentic frameworks, MCP). Experience with AI agent ecosystems using frameworks such as LangChain, AutoGen, CrewAI, and Semantic Kernel. Solid software-engineering fundamentals - tested, documented, maintainable Python Familiarity with libraries such as TensorFlow, PyTorch, LangChain, or Ray is a plus. Exposure to Knowledge Graphs (Neo4j / RDF / graph-based enrichment or retrieval). Experience with either Docker, Kubernetes, cloud (AWS / Azure) Experience integrating LLM APIs (OpenAI or similar), with prompt design and orchestration. Hands-on experience training and deploying learned policies for complex behaviours in robots or simulated characters is a bonus Ability to write...

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 Back End 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...

Data Engineer – Databricks, Azure, Python, SQL - 12 Month Contract - Outside IR35 - Up to £700 p/d (dependent on experience)   A well-established private equity firm with close to two decades' track record and preparing to launch its largest flagship fund to date is hiring a Data Engineer to build its first Databricks environment from the ground up.   This is a rare opportunity to own the technical delivery of a firm's core data platform end-to-end: partnering directly with stakeholders across Finance, Portfolio Operations, General Partners, and Compliance to unlock the data quality and visibility the business needs ahead of its next fund launch.   The Role You'll design and build the firm's first Databricks instance, standing up a medallion architecture (bronze/silver/gold) on Azure and integrating it with the firm's existing portfolio administration and data intelligence platforms. The environment you build will become the...

Power BI, MicroStrategy, Solutions Architecture, Migration The Rate - £650 per day IR35 Status - Outside IR35 The Location - Remote, with 2 days per month on site in London The Working Pattern - Remote, 2 days per month on site Duration - 6 month rolling contract About the Client Digital Skills are working with A global Management Consultancy , supporting a large enterprise organisation on a strategic Business Intelligence transformation programme. The project focuses on modernising an established analytics environment, delivering a scalable reporting platform and enabling business users through enhanced data and reporting capabilities; specifically designing end to end migrations from MicroStrategy to Power BI About the Role This is an excellent opportunity for a highly experienced MicroStrategy/Power BI Architect to lead a complex analytics transformation initiative. The successful candidate will play a key role in defining architecture, guiding...

Senior Javascript Engineers (Contract) | UK based (Hybrid - London) | £550–£600 per day (Outside IR35)   We're supporting a fast-growing digital business that's investing heavily in its engineering capability and is looking for an experienced Senior Node.js Engineer to join a high-performing product team.   This isn't a role for someone who only knows one language. They're looking for polyglot engineers who understand software engineering fundamentals and are comfortable working across different technologies to solve complex problems.   You'll be:   Building and evolving high-scale backend services with Node.js & TypeScript Designing clean, scalable and maintainable solutions Working closely with Product, Engineering and Platform teams Contributing to architecture and technical decision-making Writing high-quality, well-tested code Mentoring engineers and driving engineering best practice...

AI Solutions Engineer | SC Cleared (Active/Lapsed) | Outside IR35 | Remote | £450 - 600pd We are supporting a growing technology consultancy delivering AI, automation and digital transformation projects across enterprise and public sector environments. An immediate requirement exists for an experienced AI Solutions Engineer to support a number of high-profile programmes focused on intelligent automation, digital innovation and emerging technologies. This is an initial contract opportunity with strong potential for extension and involvement in longer-term project work. Key Details Outside IR35 Rate negotiable Predominantly remote working Immediate start available Initial 3 month contract with potential for long-term project extensions SC Clearance essential (Active/Lapsed) Responsibilities Design, develop and deploy Microsoft Copilot Studio agents , including conversational, autonomous and multi-agent solutions Evaluate...

Forward Deployed Engineer (FDE) AI Start-Up | Contract | Outside IR35 | Remote/Hybrid (UK) | C. £500pd An innovative AI start-up is seeking an experienced Forward Deployed Engineer (FDE) to help customers unlock the full value of cutting-edge AI solutions. This is a highly customer-facing role where you will work directly with end users, stakeholders, and technical teams to design, implement, and deploy AI-driven products that solve complex business challenges. This is an excellent opportunity for a technically strong engineer who enjoys combining software engineering, problem-solving, and customer engagement within a fast-moving start-up environment. The Role As a Forward Deployed Engineer, you will act as the bridge between customers and the product engineering team. You'll work closely with clients to understand business requirements, build tailored solutions, integrate AI technologies into existing environments, and drive successful deployments. Key Responsibilities...

Business Analyst - Data Platform Transformation Contract: 11 days, delivered on a non-consecutive basis Rate: Up to £450 per day IR35: Outside IR35 Location: London/Hybrid We're supporting one of the UK's most respected Azure specialist MSPs as they shape a strategic data platform transformation programme. They need an experienced Business Analyst who can get up to speed quickly, lead focused discovery sessions and bring structure to a complex environment involving Legacy systems, undocumented processes and significant volumes of data. You'll bridge the gap between operational stakeholders and technical delivery teams-turning ambiguous requirements into clear process maps, data requirements and actionable recommendations that will directly influence the future platform design. What You'll Be Doing Leading discovery workshops with operational, forecasting, product, IT and data stakeholders. Capturing current-state processes, systems, workflows and data flows....