89 platform engineer jobs found in London

We are seeking a Senior Azure Platform Engineer to support the delivery of a critical, Internet-facing cloud platform within a regulated legal services environment. The organisation is standing up a secure, scalable Azure-based platform to support consumer-facing workflow operations. This is a delivery-critical programme with tight timelines, requiring an experienced engineer who can bridge the gap between architectural design and hands-on implementation. You will work closely with the internal Cloud Centre of Excellence (CCoE), project delivery teams, and technical architects to implement secure, automated, production-grade Azure infrastructure while foundational cloud capabilities continue to mature. This is a highly hands-on role requiring strong Azure platform engineering expertise, Infrastructure-as-Code automation, and security-first thinking. Project Context Delivery of a new Azure-hosted platform supporting regulated, consumer-facing operations...

Platform Engineer - Outside IR35 - Remote About the Role We are seeking a highly skilled Platform Engineer with strong expertise in Microsoft Azure and Azure Databricks to design, build, and maintain scalable, secure, and high-performing data platforms. You will play a critical role in enabling data engineering, analytics, and AI workloads by developing robust cloud-native infrastructure and data services. This role sits at the intersection of cloud infrastructure, DevOps, and data engineering, ensuring platform reliability, performance, and governance across the organization. Key Responsibilities Design, implement, and maintain cloud-native platform solutions in Microsoft Azure Build, optimize, and manage data platforms using Azure Databricks Develop Infrastructure as Code (IaC) using tools such as Terraform, Bicep, or ARM templates Implement CI/CD pipelines for data and platform deployments Ensure high availability, scalability, security, and cost...

Platform Engineer £550 - £650 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 a greenfield cloud data warehouse on Azure and Snowflake. The 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 | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

Platform Engineer | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

ML Platform Engineer (Contract) Location: London (Hybrid) Rate: £500-£575 per day - Outside of IR35 Overview This contract role focuses on building and operating the infrastructure that supports production machine learning systems at scale. You'll work on the platforms that allow ML and LLM-powered services to run reliably in live environments, ensuring performance, stability, and smooth deployment into existing products. This is a hands-on engineering role centred on production systems , not research or experimentation. Responsibilities Design and operate production ML platforms supporting live applications Build and maintain Kubernetes-based environments for model inference and pipelines Support language-model workloads including retrieval-based systems and model serving Implement and maintain CI/CD pipelines for ML deployments Monitor platform and model performance including latency, drift, and resource usage Work closely with engineering and product teams to...

Data Platform Engineer I PostgreSQL I ADF I SQL Database I Schemas I Migration I Decommission I Financial Services I £500-£525 per day Outside IR35 12-month initial Hybrid Remote - London I'm working with a high-growth, product-led scale-up who are rebuilding their entire data layer in-house after moving away from their legacy systems and processes. They are in need of a hands-on Data Platform Engineer to design, build, and own a clean PostgreSQL-based backend data platform that powers the next phase of their growth. Must-Have PostgreSQL (design, modelling, optimisation) SQL and relational database engineering Building backend data services (APIs, views, pipelines, ETL/ELT) Data integration with operational systems ADF or similar orchestration tools Migrating/decommissioning legacy data platforms Nice-to-Have Experience in scale-ups or lean engineering teams Exposure to financial services Understanding of how front-end teams consume data...

SC Cleared GCP / Kubernetes Platform Engineer Outside IR35 6 Month Contract Duration: 12 Months IR35: Outside IR35 Rate: £400-£500 per day Location: Hybrid - London (3 days onsite - non negotiable) I'm looking for a GCP Platform Engineer / Kubernetes Engineer to join a multi-year transformation programme delivering some of the UK Government's most critical systems. The client is open to candidates with strong Kubernetes platform experience , even if you haven't worked directly with GDC - as GDC is fundamentally Kubernetes-based. What you'll do Design and operate secure GCP and Kubernetes platforms (GDC exposure a bonus) Build solutions for disconnected / air-gapped environments Own IAM, networking, GKE and core platform services Automate infrastructure using Terraform and CI/CD pipelines Optimise platform performance, reliability and cost Partner closely with security and architecture teams What you'll bring Strong...

SC Cleared GCP/Kubernetes Platform Engineer | Outside IR35 | 6 Month Contract Duration: 12 Months IR35: Outside IR35 Rate: £400-£500 per day Location: Hybrid - London (3 days onsite - non negotiable) I'm looking for a GCP Platform Engineer/Kubernetes Engineer to join a multi-year transformation programme delivering some of the UK Government's most critical systems. The client is open to candidates with strong Kubernetes platform experience , even if you haven't worked directly with GDC - as GDC is fundamentally Kubernetes-based. What you'll do Design and operate secure GCP and Kubernetes platforms (GDC exposure a bonus) Build solutions for disconnected/air-gapped environments Own IAM, networking, GKE and core platform services Automate infrastructure using Terraform and CI/CD pipelines Optimise platform performance, reliability and cost Partner closely with security and architecture teams What you'll bring Strong hands-on...

Cloud/AWS Infrastructure Engineer Location: London, UK Employment Type: TP (Outside IR35) Duration: 6-12 Months Job Responsibilities: · Maintain and improve AWS cloud infrastructure for 24/7 bank operations, focusing on stability, performance, security, and compliance · Enhance connectivity between AWS accounts, client, and third parties to ensure secure and reliable customer experiences · Design and create automation scripts and tooling using Bash, Python, or Go · Build and support cloud platforms for application developers, improving SDLC and developer experience · Manage vendor relationships and coordinate project efforts across business areas · Participate in on-call rotation to support platform reliability Required Qualifications, Capabilities, and Skills: · Formal training or certification on software engineering concepts and advanced applied experience · Hands-on experience with AWS and infrastructure as code (Terraform) · Understanding of...

Platform /DevOps Engineer (Azure) – OUTSIDE IR35 Overview We are looking for a Senior Platform / DevOps Engineer with strong hands-on experience in AKS, Azure networking, and PowerShell scripting, to support the lift-and-shift of Windows Server workloads from on-prem to Azure. This role is delivery-focused, working on core Azure infrastructure, container platforms, and migration activities within an enterprise environment. What You’ll Be Doing Support and enhance AKS platforms, including cluster operations and security Design and manage Azure networking (VNets, subnets, NSGs, routing, private endpoints) Lead and support Windows Server lift-and-shift migrations from on-prem to Azure Automate infrastructure and operational tasks using PowerShell Support rehosting of workloads with minimal refactoring Ensure platforms are secure, stable, and well monitored Work closely with platform, infrastructure, and application teams Assist with day-to-day platform...

Platform /DevOps Engineer (Azure) – OUTSIDE IR35 Overview We are looking for a Senior Platform / DevOps Engineer with strong hands-on experience in AKS, Azure networking, and PowerShell scripting, to support the lift-and-shift of Windows Server workloads from on-prem to Azure. This role is delivery-focused, working on core Azure infrastructure, container platforms, and migration activities within an enterprise environment. What You’ll Be Doing Support and enhance AKS platforms, including cluster operations and security Design and manage Azure networking (VNets, subnets, NSGs, routing, private endpoints) Lead and support Windows Server lift-and-shift migrations from on-prem to Azure Automate infrastructure and operational tasks using PowerShell Support rehosting of workloads with minimal refactoring Ensure platforms are secure, stable, and well monitored Work closely with platform, infrastructure, and application teams Assist with day-to-day platform...

Senior AI Engineer - Python & MLOps We're partnering with a fast-growing AI product company that is building advanced machine learning solutions at scale. As their platform matures, they're now looking for a Senior AI Platform Engineer to focus on the infrastructure, tooling and reliability that underpins production AI systems. This is a role for someone who enjoys engineering robust ML platforms rather than purely building models - enabling data scientists and ML engineers to deploy, monitor and scale AI workloads efficiently. The Role You'll take ownership of the AI platform layer, designing and improving the systems that allow machine learning models to move from experimentation to reliable production services. Working closely with ML Engineers, DevOps and Back End teams, you'll ensure AI workloads are scalable, observable and secure. Key responsibilities Design and maintain ML infrastructure and model deployment frameworks Build and optimise CI/CD pipelines...

We're partnering with a fast-growing sports/entertainment business looking to hire a Senior Backend Engineer on a 6-month contract (outside IR35), with potential to convert to permanent (£95k). This is a hands-on tech lead role with ownership of core platform systems powering multiple websites and internal services. The Role You'll take full technical ownership of the NextGen CMS and Master Data (MDM) systems, designing, developing, and mentoring a small team of engineers. This role is perfect for someone who thrives in complex, high-scale environments and wants real impact from day one. Key Responsibilities: Lead development across CMS and MDM systems Maintain and expand complex backend systems (not standard CMS) Mentor engineers and set engineering standards/patterns Drive architecture, integrations, and system scalability Work closely with stakeholders to deliver features and improvements Team Environment: 5 Backend, 3 Frontend engineers, 1 Delivery...

Application Maintenance & Support Engineer Remote, occasional site visits London £400 per day Outside IR35 (expected) Shift Pattern: Between 08:00 - 20:00 & 20:00 - 0800 (Monday - Saturday) We are looking for an experienced Application Maintenance & Support Engineer to join a fast-paced engineering environment supporting critical Back End systems and services. This role sits between development and production support , requiring someone comfortable troubleshooting complex issues while also understanding how the code and architecture works behind the scenes. You will support new product releases, investigate incidents, and work closely with engineering teams and customers to ensure stable and reliable platform performance. Key Responsibilities Execute daily smoke tests and validation scripts , accurately reporting failures and system behaviour Investigate incidents and defects across microservices-based Back End systems Use...

We 're partnering with a fast-growing sports/entertainment business looking to hire a Senior Backend Engineer on a 6-month contract (outside IR35), with potential to convert to permanent ( £95k). This is a hands-on tech lead role with ownership of core platform systems powering multiple websites and internal services. The Role You 'll take full technical ownership of the NextGen CMS and Master Data (MDM) systems, designing, developing, and mentoring a small team of engineers. This role is perfect for someone who thrives in complex, high-scale environments and wants real impact from day one. Key Responsibilities: Lead development across CMS and MDM systems Maintain and expand complex backend systems (not standard CMS) Mentor engineers and set engineering standards/patterns Drive architecture, integrations, and system scalability Work closely with stakeholders to deliver features and improvements Team Environment: 5 Backend, 3...

ANALYTICS ENGINEER 6-MONTH CONTRACT SNOWFLAKE, DBT £450-£550 PER DAY OUTSIDE IR35 This role offers a great opportunity for an Analytics Engineer to join a fast-scaling digital business undergoing a complete rebuild of its analytics infrastructure. You'll play a key role in reshaping how data is modeled, accessed, and used across teams - all with a focus on clarity, consistency, and self-serve analytics. The environment values autonomy, quality, and user-first thinking, with the freedom to shape best practices from the ground up. THE COMPANY This is a high-growth consumer business committed to data-informed decision-making across marketing, operations, product, finance, and customer success. They're currently rebuilding their analytics platform with modern, scalable tools and need a strong contractor to accelerate this transition. Working in a fast-paced, collaborative, and remote-first environment, you'll make a lasting impact on how data empowers the...

Cyber Security Contractor | Outside IR35 Contract Rate: £575/day Hybrid: 3 days per week onsite (Liverpool Street) Industry: Financial Services / Highly regulated environment Duration: Initial 3 months Job Summary: Our financial services client is seeking a highly skilled Cyber Security Engineer to deliver hands-on security improvement projects, including passing Cyber Essentials Plus certification with flying colours. They need deep technical expertise in Netskope, CrowdStrike, CyberArk, Microsoft Purview, and Mimecast. The ideal candidate will have demonstrable experience in regulated industries and a track record of delivering practical security solutions with minimal supervision. Key Requirements: Support the organisation's Cyber Essentials Plus recertification process and related compliance work Implement and optimise Netskope Layer 7 security policies, identifying and resolving configuration gaps Enhance Microsoft Purview...

📱 Mobile QA Engineer – £300 per day (Outside IR35) – Fully Remote La Fosse are working with a growing tech team who are looking for an experienced Mobile QA Engineer to join on a contract basis. You’ll play a key role in ensuring the quality of their iOS and Android applications, working closely with engineering teams to drive high testing standards and reliable releases. This is an outside IR35 , fully remote role — ideal for someone who loves mobile testing and wants to make an immediate impact. Key Requirements Strong hands-on experience testing mobile applications built with Swift (iOS) and Kotlin (Android) Solid understanding of both Android and iOS ecosystems and platform-specific behaviours Proven experience with XCUITest (iOS) and Espresso (Android) for mobile UI automation Proficient with JUnit and Android Jetpack libraries for testing Nice to Have Exposure to mobile performance testing Experience using cloud...

Lead a high-impact cloud migration project that will drive significant cost savings whilst building your leadership credentials in a cutting-edge DevOps environment. Salary:  £450 per day Role Overview Title:  Senior / Lead AWS DevOps Contractor Contract Length:  3 Months - Immediate Start - Outside IR35 Location:  Remote (UK) Description: We're looking for a highly experienced Senior / Lead DevOps Contractor to operate at a senior level, driving architectural decisions, leading delivery, and ensuring secure, scalable, and automated infrastructure across the environment. Role Overview We are seeking a highly experienced  Senior DevOps Lead  to manage a critical cloud migration project, moving a mature platform from  AWS  to  Hetzner  to achieve significant cost reduction. This short-term, high-priority role will oversee the migration, maintain operational stability, and lead a small...