19 Contract IT jobs found in North London, London

Data Engineer London 12 Months Contract £400 a day Inside IR35 An established leader in the fintech space is urgently hiring a Data Engineer for a 12-month contract. In this role, you will help design and optimize high-throughput data frameworks that feed advanced machine learning models and drive high-performance user applications.This role offers a unique chance to work across a modern, full-stack cloud data environment with a clear path toward a perm

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-

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

Title: Senior Backend Engineer (Go/Java) - Global Fintech ContractLocation: Central London (Hybrid, 3 days in-office)Engagement: Contract with potential to convert to permanentRate: CompetitiveThe Role: You will join a critical API team responsible for high-throughput backend services and real-time payment routing decisions. This is foundational infrastructure where your work directly affects payment acceptance rates for some of the fastest-moving brands g

AI & Data - AI / ML EngineerOverview We are seeking a highly technical, hands-on AI Native Software Engineer to design, build, and deploy production-grade AI systems for complex enterprise environments. If you are passionate about building scalable, cloud-native solutions and pioneering agent-based workflows, we want you on our team.Key ResponsibilitiesDesign & Deploy: Architect and launch robust, scalable, cloud-native AI applications.Agentic Workflows: I

We are looking for a Senior C++ Engineer to join a newly forming, elite engineering squad tasked with modernizing the core cross-platform networking stack for one of the world's largest streaming tech ecosystems.💼 The Gig at a GlanceRole: Senior C++ Engineer (Mobile Infrastructure)Term: Contract until year-end (with strong potential for extension)Location: 100% RemoteTech Stack: C++, iOS, Android, HTTP/2+, WebSockets, Custom Shared Libraries🛠️ What You'

Job Title: Back End / Fullstack Engineer IIILocation: UK(Fully remote)Contract Duration: 6 monthsAbout the RoleWe are looking for a Web / Fullstack Engineer to help our team. You bring a strong foundation in system design, data structures, and algorithms. You enjoy untangling problems with teammates and choosing pragmatic solutions that move the product forward. You will design clear interfaces, dependable data flows, and resilient systems that ensure we

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

Quant Developer - Exotic DerivativesLocation: London (3 days/week hybrid)Duration: 6-12 months (12-month scope)The RoleJoin a front-office team at a global financial institution building a brand-new capital markets valuation engine from scratch. This is a hands-on, individual contributor role-no black-box custodianship. You will read academic papers, build pricing models from the ground up, and directly defend your modeling choices.Key RequirementsTechnica

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

Senior Backend / Platform Engineer (Contract) Role Type: 6-Month Contract (Remote) Target Start Date: Early to Mid-August We are expanding our core Platform team and looking for two Senior Engineers to help us build a high-priority, high-impact privacy and compliance platform. If you have strong Java skills and love working on large-scale infrastructure or data systems, this role is for you.What You Need to Know Before ApplyingThe Core Mission: Translatin

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

Are you a hands-on supply chain and manufacturing systems expert who built your transformation career on top of a real operational foundation? We are seeking an experienced professional to step into the center of a major multi-year supply chain and ERP transformation programme.. This is an active, end-to-end delivery role-not a PMO or governance position -serving as the primary interface between plant operations, IT, and System Integrators.The OpportunityY

The OpportunityIn this role, you will focus on building production-grade Agentic AI platform architectures. Working within an agile team, you will bridge advanced LLM capabilities with enterprise systems to deploy scalable, multi-agent workflows.Your ImpactAgentic Innovation: Build multi-agent systems and stateful workflows using Google ADK, LangChain, or LangGraph.System Guardrails: Implement fallback logic, circuit breakers, and structured outputs via Py

🚀 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

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