36 Developer IT jobs found

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

Role : Avaloq DeveloperLocation: Scotland, UK (Remote)Contract Duration: 10 MonthsJob Description:An Avaloq Developer is responsible for the end‑to‑end design, implementation, customization, and unit testing of solutions within the Avaloq Banking Suite. The role involves delivering high‑quality parameterization, scripting, interfaces, and report development aligned to functional and technical requirements.Key responsibilities include:Implementing Avaloq pa

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 : 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

Role : Technical Solutions ConsultantLocation : London, UKType : Contract(Hybrid - Inside IR35)Job DescriptionTechnical SkillsWeb Technology Expertise: Strong proficiency in JavaScript, HTML, and CSS is essential.Code Debugging: Ability to read, understand, and debug complex, potentially minified code from external partner websites.Technical Troubleshooting: Experience with Chrome Developer Tools, API integrations, and investigating error codes.Familiarity

Senior IDMC / IICS DeveloperLocation: Hybrid (2-3 days onsite, London)Position Type: PermanentSalary: £50,000 - £60,000 per annum + BenefitsExperience Required: 6-8 years in Data Integration / ETLAbout the RoleAre you a seasoned Data Integration specialist with deep expertise in cloud ecosystems? We are seeking a Senior IDMC Developer to join a global, fast-paced data engineering team. In this role, you will be the driving force behind designing, building,

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

Junior Full-Stack Engineer (React, TypeScript, Python)Location: [London, UK- 5days a week onsite] Job Type: Full-time, Permanent Experience Level: Junior / Graduate (0-2 years)- Strictly looking for junior candidates with no more than 2 years of experience.The RoleWe are looking for an ambitious and curious Junior Full-Stack Engineer to join our core team. In this role, you won't just be fixing bugs or working on isolated features-you will be building impa

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

Distinguished Quant Engineer - Exotic Derivatives (Java Engine)Location: London, UK (Canary Wharf)Engagement: 12-Month Contract | Hybrid (3 days/week in office)Level: Distinguished Engineer The MissionJoin an elite team to build a sophisticated OTC derivative pricing system entirely from scratch using an open-source library architecture. We are looking for an exceptional, hands-on practitioner who can dissect academic research papers and build production-g

Senior ServiceNow Technical Consultant / Lead Developer / Architect (GenAI & ITAM) 📍 Location: Remote (Occasional Travel to London)⏳ Duration: 6 Months Contract (Inside IR35)💰 Rate: £450 - £500 a dayA top-tier consultancy firm is seeking a Senior ServiceNow professional to spearhead a landmark digital transformation for one of the UK's most historic and essential infrastructure organisations. This is not a "business-as-usual" maintenance role. You will t

We are seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment.Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent / FTEThe RoleYou will contribute to the full software development lifecycle-from design and debugging to deployment and monitoring. You will be responsible for building world-class a

Senior .NET Migration Engineer (Cloud Modernization)Permanent | London (Hybrid) | Tech: .NET 10, Kubernetes, AWS, Terraform, AI AgentsThe MissionForget standard "lift-and-shift." We are completely modernizing our backend estate, moving from a legacy London Datacentre straight into AWS and Kubernetes using .NET 10 as our target runtime.You will build the "golden paths," shared templates, and automated pipelines to migrate applications at scale. Best of all

Role : SCIDA - Specialist Services (Active DV required)Type : Contract for 12 months Location: Hemel Hempstead (some UK wide travel)Job Description : SCIDA - You will be responsible for ALL SCIDA activities of a large complex highly secure Managed Service; you are to strictly adhere to ALL platform and building SYOPS's, processes, procedures and local work instructions (inc any BT/Customer requested sub activities) as authorised and directed by the OSM (d

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'

Role : Fullstack EngineerLocation: London,UK Type : FTE / Full Time Job Description:Python is the key skill needed + SQL + AWS experience + Terraform. e.g. Building investment analysis platforms using Python.C# / .NET is still desirable but not as critical (e.g. more for changes to microservices than new build in C#, Windows migration work).Investment management / FS experience (e.g. working on Investment and fund services and platforms, integration with

As a Senior Principal Platform/DevOps Engineer, you will hold senior technical authority across our CI/CD, automation, and cloud infrastructure ecosystems. Operating within the Platform Engineering / DevOps Enablement function, you will drive our strategic migration away from legacy monoliths to a next-generation, cloud-native platform built on Microsoft Azure and Kubernetes.This high-impact, hybrid role requires a blend of independent decision-making, han

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

🚀 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

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

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

UX Designer📍Newcastle - 3 days in the office / 2 days WFH 📃Upto 12 Months Contract 💰£300 to £400 a day Inside IR35 (Candidates must hold Security Clearance or be Eligible for Security Clearance)A leading digital consultancy is urgently seeking an experienced UX Designer to join a specialized project team contributing to a major, large-scale UK digital government initiative.You will be embedded within a pioneering, fast-paced Innovation & Automation Hub

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:

Location: London (Hybrid - 3 days in-office) Role Type: Full-Time / Permanent Experience Level: Mid-Senior (5-7 years)We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations.This is a high-impact position for an engineer who excels at bridging complex backend data processing with highly responsive front-end in

Role : ServiceNow Specialist - Must have active SC clearanceLocation : Manchester, UKType : Contract Inside IR35 via UmbrellaMode of work : Hybrid 3-day onsite in a weekJob Description:Must Haves: ServiceNow Specialist - Must already hold SC clearance ActiveExtensive hands-on experience delivering ServiceNow implementations in enterprise environments (ITSM as a minimum)Proven ability to design, configure, and implement ServiceNow solutionsAdvanced experi

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

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 : 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