88 platform engineer jobs found in London

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...

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...

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...

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...

Rate: £575/day Outside IR35 Hybrid: 3-day onsite (Liverpool Street) Project Duration: Initial 3-month contract 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...

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 DevOps team. The platform currently runs on AWS with ECS , k3s Kubernetes , Redpanda streaming , and databases including Cassandra, PostgreSQL, and MongoDB . Observability is mostly implemented with Grafana , and deployment pipelines are established. Key...

Harnham is partnering with a growing team focused on stabilising and maturing their Snowflake data platform. They are seeking a skilled Analytics Engineer to join a hands-on, delivery-focused team responsible for building and maintaining centralised data warehouse assets used across the business. The Team The team is part of a broader Analytics Engineering function, aligned to business pillars but operating centrally to provide high-quality, reusable data assets. You 'll work closely with other Analytics Engineers and domain teams to ensure data models are performant, scalable, and widely adopted. What You 'll Be Doing Hands-on development using SQL, DBT, and Snowflake Implementing, refactoring, and optimising Snowflake data models Creating and maintaining data assets, ensuring performance, quality, and reliability Updating consumers and reviewing code to maintain standards Working within structured project tracking tools (Asana / Jira)...

Data Scientist / AI Engineer Real-time Payment Context (Fintech) | London | Contract | Outside IR35 In short: A high-growth fintech is looking for a contract Data Scientist / AI Engineer to help build and ship production-grade scam intelligence layer . You’ll work across data, modelling, and deployment - turning multi-source signals into reliable, explainable risk decisions under real-world constraints like latency, uptime, and auditability. About the company: The company is building a payment intelligence layer for banks - running real-time “investigations” on payments to provide rich context on the counterparty and situation. The goal: intercept scams while ensuring genuine payments flow smoothly. They’re early-stage, moving fast, and operating in a domain where correctness, security and reliability are non-negotiable. Who we’re looking for: You’re a hands-on contractor who can get productive quickly, operate with minimal oversight, and deliver...

Senior C# Software Engineer (Contract) Location: London (Hybrid) Rate: £500 per day IR35 Status: Outside IR35 Duration: 6 Months (Initial) The Opportunity Join a high-performing engineering team within a London-based powerhouse that is currently dominating its sector. This company has moved past the startup phase into a period of sophisticated, sustainable growth, and they are now maturing their global platform to be truly cloud-agnostic. This role is perfect for a Senior Engineer who thrives on architectural variety. You won’t just be maintaining a single environment; you will be building high-throughput systems that leverage the best features across AWS, Azure, and GCP . The Role As a Senior C# Engineer, you will lead the development of mission-critical services that form the backbone of a rapidly scaling infrastructure. Your focus will be: Backend Development: Writing clean, testable, and high-performance code using the latest...