20 Contract IT jobs found in City of London, London

IT Support / IT Field Engineer 📍 Location: London (Fully Onsite, City of London area) ⏳ Duration: 12 Months (With potential to extension 💰 Rate £24.00 per hour Umbrella (Inside IR35) 🛡️ BPSS Required A well-established IT firm is looking for an experienced IT Technical Support Engineer to join a high-profile client in London, where you will act as the go-to hands-and-eyes technician for all end-user technology requirements. This is a fast-paced, high-

The OpportunityOur client is recruiting for a high-impact Frontend Specialist to join the Fintech & Compliance division of a global leader in the travel-commerce and e-commerce space.In this role, you aren't just building "another website." You are the architect of the sophisticated internal tools that protect millions of global transactions. You will transform complex regulatory and fraud-prevention workflows into intuitive, high-performance analyst expe

Role: Data EngineerType: Contract (6 Months)Location: London, UKWorking Model: Fully RemoteData Engineer - Financial EngineeringThe Role: We are seeking a passionate Data Engineer to design scalable, robust systems that turn large-scale consumption and royalty data into accurate payouts. You will build self-serve tools for our Finance team and develop modular, easily maintainable platform capabilities.Key Requirements:Deep expertise in data engineering wit

Machine Learning Engineer Location: England, UK - RemoteDuration: 6-Month Contract with potential extensionPayrate: £525 - £715 per day Inside IR35About the RoleWe are looking for a seasoned Machine Learning Engineer to join our Client Subscription Mission for a 6-month contract. In this role, you will bypass recommendation engines and generative AI to dive into classic production ML problems directly impacting business growth (MAUs and Subscriber metrics

Contract Full Stack / Backend Engineer III - Trust & Safety PlatformsDuration: 6-Month Contract (with potential for extension)Location: 100% Remote (UK-based)Inside/Outside IR35: Insert IR35 The OpportunityWe are looking for a Senior Full Stack / Backend Engineer (Level III) to join the Trust & Safety / Policy Platform team for one of the world's leading, household-name audio streaming platforms.If you are a backend-heavy engineer who enjoys the autonomy o

Role : Senior Azure DevOps Engineer - SC Clearance Location : UK (Remote)Type : Contract (Inside IR35) Job Description SummaryA highly experienced Azure DevOps professional responsible for architecting, delivering, and operating complex cloud and digital platforms that support large-scale public sector transformation. Expert in designing and implementing agile delivery pipelines across infrastructure, application, and platform services, with a strong emph

Job Title: IT Services and Support Engineer (L1)Location: Hammersmith, London - 100% Office-Based Salary/Rate: Based on experience Job Type: Contract, Full-Time (Monday to Friday, 9am - 6pm) Contract Length: 3 Months (with strong potential for extension)About the EnterpriseOur client is a global leader in Life Sciences and enterprise technology solutions. They are seeking a driven, self-motivated IT Support Engineer to maintain the smooth operations of the

Role: Java Backend Developer with Data PlatformType: 6 Months ContractLocation: London, UK (Fully REMOTE)Working Model: Fully REMOTEPayrate: £450 - £550 per Day on PAYE£530 - £630 per Day on RUPAYE£650 - £750 per Day on Inside IR35 via UmbrellaThe Role: Join our Data Infrastructure team to drive large-scale pipeline migrations and core platform development across our Flink and Lakehouse architecture. We are looking for an execution-focused engineer who can

The Role We are partnering with a global tech and media giant to hire a Senior Data Engineer. You will build and scale the massive data pipelines that track how millions of users interact with the platform across smart TVs, gaming consoles, and major social media apps.What You'll DoArchitect, build, and maintain complex, high-volume data pipelines.Act as a technical leader to set engineering standards and best practices.Partner with Product Managers and Da

Senior Backend Engineer (Security Compliance) - 100% RemoteThe Role Join a high-autonomy team as a senior contractor architecting the next generation of our security compliance platform. You will own technical decisions end-to-end, building systems that ensure every production code change meets regulatory standards across thousands of repositoriesWhat You'll DoArchitect & Build: Develop Java-based backend services (Spring Boot, Apollo) to enforce complianc

Job title: RAN Engineer- 2 openingsRole Type: 12-Month ContractLocation: London or Bristol (Hybrid: 3 days onsite) Job description:We are looking for an experienced RAN Engineering Specialist to join our team for a 12-month contract. This role focuses on optimizing mobile radio access networks and driving process improvements through automation and data analysis. Key ResponsibilitiesAnalyze the complex interactions between coverage and capacity within the

IT Support Analyst (4-5 Month Contract)Location: London (St. Paul's) Role Overview We are seeking a proactive, customer-focused IT Support Analyst for a hands-on contract role in central London. Acting as the front line of IT support, you will ensure the smooth day-to-day operation of end-user services, applications, and devices across the business.Key ResponsibilitiesProvide high-quality desktop and application support, resolving incidents and service req

Senior Python Automation Engineer (Contract)Location: Sheffield, London, Edinburgh, or Leeds (Hybrid - 3 days onsite per week)Contract Duration: 3 MonthsExperience Level: 7-8 yearsRole OverviewWe are actively seeking a highly experienced Python Automation Expert to join a dynamic team in the Investment Banking sector. In this role, you will be responsible for designing and developing robust automation frameworks from scratch, ensuring high-quality software

Role : Back End DeveloperLocation : London,UKType : ContractJob Description : The role is located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines.What you'll doExecute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands of builds daily and beyondSupport with Operational tasks keeping

Hey Java developers! If you're looking for a contract role where your work actually matters, this is it.We're on the hunt for a Senior Backend Engineer for an urgent, 6-month contract to help build a genuinely safe, privacy-first digital ecosystem for kids and families. This is a fully remote position within the UK, and we're looking for someone ready to hit the ground running ASAP.If you love untangling messy system problems, building rock-solid data flow

🚀 Infrastructure Engineering Specialist - Platform Engineer Security Clearance: An Active DV (Developed Vetting) level of National Security clearance is absolutely mandatory for this role. Location & Working Model : London - Onsite 5 days per weekCompany & Team : Leading Communications GroupPay Rate: £654 Per Day via Umbrella (Inside IR35) 🏗️ About the Engineering TeamOur Engineering division is a large, multi-disciplined "professional services" enginee

Senior Java Backend Engineer (Distributed Systems & Messaging)Location: London, UK (Hybrid) Role Type: Permanent Tech Stack: Java 8+, Concurrency, Apache Kafka / JMS / TIBCO, Spring Boot, Microservices, Low-LatencyAbout the Team & PlatformWe are building and scaling a complex, high-throughput, electronic trading platform distributed across several international hubs. Our development environment is structured around highly autonomous, functional cells that

Role : Forward Deployed Engineers Location : London, UKType : Contract Inside IR35 Job Description: OverviewSeeking a hands-on AI Native Software Engineer to design, build, and deploy production-grade AI-driven systems within enterprise environments. The role focuses on implementing agent-based workflows, integrating AI platforms, and delivering scalable cloud-native solutions.ResponsibilitiesAI Agent Engineering Design and implement AI agents, including:

The OpportunityIn this role, you will go beyond building standard user-facing features to focus on critical internal platform architecture. You will work within a lean, agile team to bridge frontend development with backend systems, transforming how internal engineers interact with, validate, and secure core data pipelines.Your ImpactPlatform Innovation: Build and scale developer-facing tools and dashboards from scratch to manage data contracts at the code

Role: Tech Sales Representative Type: Contract (12 Months)Location: London, UKWork Model: Hybrid (3 days in office - Tuesday to Thursday)Payrate: 30 - 40.38 GBP/hr on PAYE36 - 46.25 GBP/hr on Rolled up Holiday pay + Sales Bonus PlanWorking Hours: 40 Hours per Week About the Role: Join us as an Account Executive Tech Sales to drive revenue and shape account strategies. You will use your marketing tech expertise to identify long-term opportunities, develop n