16 Contract IT found

🚀 We're Hiring: Senior Software Engineer (Java / AWS)We are looking for a product-minded engineer to build scalable, high-volume transactional systems. If you love solving complex backend challenges and care about the user experience, we want to hear from you.The Tech Stack:Java & Spring BootAWS (Cloud-native microservices)What You'll Do:Design, build, and optimize high-throughput backend services.Partner closely with Product Managers to shape features fr

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

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 OverviewWe are seeking a highly skilled Azure Cloud Build Engineer to construct, test, and optimize our next-generation development tools and CI/CD infrastructure. You will operate as a technical subject matter expert, driving execution decisions, resolving cross-team platform challenges, and ensuring systems remain secure against potential threats.Key ResponsibilitiesInfrastructure as Code: Develop and optimize enterprise-scale infrastructure using T

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: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UKWorking Model: Hybrid (2 days per week in Office)Payrate: £600 - £750 per Day on Inside IR35 via UmbrellaWhat You'll Do:Lead end-to-end system design and delivery using Python and Django.Write secure, test-driven code and maintain live service performance.Work in an Agile, multidisciplinary team aligned with G

Role : IBM Platform EngineerLocation: Watford, UkType : Contract (InsideIR 35) OR Permanent Mode : Hybrid Job Description : Costco utilizes the IBM i (AS/400) platform to run mission-critical enterprise systems. Developers working on these systems generally focus on backend enterprise operations, integrating legacy frameworks with modern cloud infrastructure, and supporting large-scale supply chain and inventory workloads. Core ResponsibilitiesEnterprise I

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

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

We are looking for a systems-thinking Senior Full-Stack AI Engineer to bridge the gap between advanced AI orchestrations and seamless user experiences. In this role, you will design and build production-grade multi-agent systems and stateful workflows while crafting the responsive, intuitive frontends needed to interact with them.You won't just be plugging in basic LLM wrappers. You will be architecting complex, deterministic AI engines, exposing them via

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

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