11 Contract IT jobs found in City of London, London

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

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

UX Product Design - Web AppsMy global tech client is looking for a strong Product Design Contractor to join their prioduct design team with a focus on on social shareability and integration. The team is responsible for the Sharing experience from the mobile and desktop app and how it integrates with other tech platforms, as well as platforms like the mobile web app and web embeds. They will collaborate closely with Product Managers, Engineers, and other De

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

Senior C# / .NET Developer (Securities Lending & Repo)Role Type: 6-Month ContractLocation: London (Hybrid - 3 days onsite per week)IR35 Status: Inside IR35Role OverviewA leading global financial services and asset servicing institution is seeking an experienced Senior C# / .NET Developer to join a business-critical technology team in London.This role focuses on designing, building, and supporting high-performance platforms for the firm's financing-related

Job title: Product Designer Contract : 6 MonthsLocation: Remote About the RoleWe are looking for a skilled Product Designer to join a critical project for our client. You will be instrumental in redesigning our content reporting experience as part of a major regulatory compliance initiative. This is a 6-month, remote contract opportunity to help us rebuild a flow that is currently friction-heavy and inconsistent, ensuring it meets the expectations of both

Software Development Specialist / ProfessionalLocation: London, Cheltenham, Ipswich, or Manchester (Onsite) Hours: 37.5 hours per weekClearance Requirement: Active DV (Developed Vetting) clearance is mandatory.About the RoleWe are seeking engineers with strong IT and engineering skills to build, design, and secure modern technology platforms. You will work in a software-defined, automation-first environment to iterate fast and deploy at pace. Multiple role

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

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

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

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