85 platform engineer jobs found in London

Join a cutting-edge financial services organisation building the future of banking data infrastructure from the ground up. Salary:  £650 - 750 per day Lead Data Platform Engineer - Urgent Contract Role - (Snowflake + Core Banking) Outside IR35 | £650-750/day | 2-3 days on-site in London | Initial 3 months | ASAP start We're supporting a financial services organisation standing up an entirely new banking data function, building a modern core banking platform using Snowflake. This is a hands on technical leadership role responsible for architecting, designing, and building the full end to end data platform: ingestion, medallion layers, data warehouse stores, and downstream reporting. You'll be working across high volume financial data, streaming pipelines, and a modern cloud native stack. You'll own the delivery of scalable data foundations, medallion structured financial models, and operational reporting capabilities consumed across the...

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...

AWS Cloud Platform Engineer - Outside IR35 / 6 Months + / 80% Remote (1 day per week in London) We’re supporting a specialist technology consultancy, looking for a hands-on AWS Cloud Platform Engineer to join an upcoming engagement This is a practical, build-focused role. You’ll be working on AWS infrastructure, shaping and supporting cloud environments with a strong secure-by-design mindset from the outset You’ll ideally bring: Strong AWS experience across core services Terraform for infrastructure as code A security-first approach to platform engineering Jenkins pipeline experience would be beneficial Outside IR35, the contract is likely to last 12 + months. One day per week onsite in Central London, with the rest remote This role is suited to someone comfortable operating autonomously, contributing to engineering standards, and delivering clean, production-ready cloud infrastructure within a regulated environment If you’d like further...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (2 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

Platform Engineer (AWS) | Contract | £650 per day Outside IR35 Location: London (3 days onsite) Contract: Initial 3 months Rate: Up to £650 per day (Outside IR35) Interview Process: Single stage We're working with a well known UK digital business looking to bring in a Senior Platform Engineer to help strengthen and scale their AWS cloud platform. This is a hands on contract role suited to someone who enjoys building robust infrastructure, improving developer platforms, and driving automation across modern cloud environments. What you'll be doing Designing and improving AWS cloud infrastructure at scale Building and maintaining infrastructure as code (Terraform) Supporting CI/CD pipelines and automated deployments Improving platform reliability, monitoring, and performance Working closely with engineering teams to enhance developer experience What we're looking for Strong hands on experience with AWS in production environments Deep...

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...

This is a fantastic opportunity to work as an AI Platform Engineer for a major pharmaceutical company, outside IR35, on a remote basis. The key skills required for this AI Platform Engineer role are: AI tools AWS Terraform Python If you do have the relevant experience for this AI Platform Engineer role, please do apply.

This is a fantastic opportunity to work as an AI Platform Engineer for a major pharmaceutical company, outside IR35, on a remote basis. The key skills required for this AI Platform Engineer role are: AI tools AWS Terraform Python If you do have the relevant experience for this AI Platform Engineer role, please do apply.

AWS Cloud Platform Engineer - Outside IR35 / 80% Remote (1 day per week in London) We’re supporting a specialist technology consultancy, looking for a hands-on AWS Cloud Platform Engineer to join an upcoming engagement This is a practical, build-focused role. You’ll be working on AWS infrastructure, shaping and supporting cloud environments with a strong secure-by-design mindset from the outset You’ll ideally bring: Strong AWS experience across core services Terraform for infrastructure as code A security-first approach to platform engineering Jenkins pipeline experience would be beneficial Outside IR35, the contract is likely to last 12 + months. One day per week onsite in Central London, with the rest remote This role is suited to someone comfortable operating autonomously, contributing to engineering standards, and delivering clean, production-ready cloud infrastructure within a regulated environment If you’d like further details,...

Automation & Integration Engineer (Power Automate/Power Platform) Location: London 1 day a month in office Department: Digital Workplace 12 month contract Outside IR35 We're looking for an experienced Automation & Integration Engineer to design, build, and scale automation, integration, analytics, and sustainability reporting across our Digital Workplace portfolio. This role is central to delivering a modern, automated, insight-driven, and sustainable Digital Workplace , using the Microsoft Power Platform, APIs, and enterprise integrations. You'll work closely with Endpoint, Identity, DEX, Operations, and Pre-Sales teams to create secure, reusable, and productised automation assets at scale. What You'll Do Automation & Workflow Engineering Design and build workflows using Power Automate, Logic Apps , and (where applicable) Azure Functions . Create reusable automation patterns for joiner/mover/leaver processes, device life cycle, and identity...

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...

Job Title: AWS Site Reliability Engineer (SRE) Contract Rate: £550–£600 per day outside IR35 Location: Remote / UK-based Contract Length: Initial 6 months (likely extension) Overview We are looking for an experienced AWS Site Reliability Engineer to support the ongoing reliability, scalability, and performance of a large-scale cloud platform. Required Skills Strong hands-on experience with AWS Experience working as a Site Reliability Engineer, DevOps Engineer, or Cloud Platform Engineer Infrastructure as Code experience (Terraform or CloudFormation) Strong Linux administration experience Experience building and maintaining CI/CD pipelines

Zscaler Security Engineer (ZIA/DLP) roles like this rarely come along where you can directly strengthen the internet security posture of a major UK enterprise. This is an opportunity to shape how sensitive data is protected, refine cloud security controls, and ensure Secure Service Edge capabilities perform at the level a large organisation demands.  You’ll be brought in to elevate an existing Zscaler platform — focusing on intelligent policy design, stronger data protection, and deeper visibility into web traffic behaviour. Working alongside cyber security specialists and platform vendors, your work will directly reduce risk, detect suspicious activity, and tighten controls across a complex enterprise environment.  What’s in it for you £600 per day contract outside IR35 Hybrid working with only two days per week onsite Opportunity to strengthen a large-scale Secure Service Edge platform Work with modern cloud security tooling and enterprise cyber teams Exposure to...

Job Title: AI Engineer Location: London Day Rate: £550 all in Outside IR35 Contract Length: 6 Months (extensions likely) About the Role We are looking for an experienced AI Engineer to support a major transformation programme focused on moving traditional, legacy technology platforms into modern, cloud‑aligned, AI‑enabled environments. This role requires someone confident working across Azure, VMware, and legacy infrastructure to identify upgrade pathways and design AI‑driven solutions that streamline, automate and modernise existing systems. This is a hands‑on engineering contract suited to someone who has previously delivered modernisation or platform transformation projects. Key Responsibilities Analyse legacy platforms (traditional on‑prem, monolithic systems, aging VMware estates) to identify modernisation and AI‑enablement opportunities. Design and implement AI/ML solutions that enhance, optimise, or replace outdated processes. Work...

Outside IR35 Contract - Senior/Lead Kotlin Engineer – Backend / Distributed Systems - £700-800/day Tier-One Global Investment Bank | London A tier-one global investment bank is expanding a new engineering group responsible for building modern digital financial platforms from the ground up. This team operates with the autonomy and pace of a start-up, backed by the scale and resources of one of the world’s largest financial institutions. Engineers work in small, highly collaborative teams designing and operating systems that power critical financial services used by millions of customers. This is a 6-month rolling contract, on a programme of work estimated to last 2-3 years. We’re looking for experienced Senior and Lead backend engineers who specialise in server-side Kotlin on the JVM , with a strong interest in building reliable distributed systems and scalable cloud platforms. You’ll help design and build high-performance backend services, working closely...