54 it jobs found in City of London, London

Senior Full-Stack Engineer (Node.js / React)Engagement: 6-12 MonthsLocation: London, UKWorkmode: On-Site - 5 daysStack: Node.js, React, TypeScript/JavaScript, Python (Plus)The RoleJoin a nimble, global 6-person DevOps team owning the full lifecycle-from architecture to production support-for platforms powering global data center operations. Key ResponsibilitiesHigh-Throughput Telemetry: Scale a pure Node.js pipeline processing 20M+ metrics/day.Modernizatio

Role: Junior Software EngineerLocation: London, UK (Hybrid)Hours: 8:00 AM - 5:00 PM | Duration: 6- 12 Month ContractAbout the RoleWe're looking for a bright Junior Engineer to join our London team. You'll build reliable apps, solve real-world tech puzzles, and help automate recurring bugs to keep our systems stable.Mandatory SkillsNode.jsPythonAngularReactMySQLWhat You'll DoBuild & Debug: Write clean, secure code using Node.js/Python, React or Angular, an

Network Engineering Design Lead (Active DV Clearance Required)Location: London (5 days/week on-site)Duration: 6 monthsThe Role: We need a hands-on Network Engineering Design Lead to act as the technical authority for a specialized, mission-focused team. You will drive enterprise-grade network architectures, balancing strict security with operational excellence.Key Responsibilities:Lead the creation, review, and governance of High-Level (HLDs) and Low-Level

Role Overview: Infrastructure Design LeadContract Duration: 6 Months (Inside IR35)Location: London, UK (100% On-site / 5 Days per Week)Security Clearance: Active DV (Developed Vetting) Clearance is mandatoryPosition SummaryWe are seeking an experienced Infrastructure Design Lead to direct a team of infrastructure engineers in architecting, deploying, and optimizing robust enterprise-grade environments. In this role, you will act as the technical authority

Role: Senior Android EngineerType: Contract (InsideIR 35)Mode: RemoreJob DescriptionSenior Android Engineer - Core Experience, Soul (Contractor); builds in-app messaging and social platforms.Direct/Indirect Management: Indirect only (cross-team project lead/mentoring).Top 3 Hard Skills: Kotlin/Android (8+ yrs), Agentic tools (Cursor/Claude), Real-time sync & API performance.Top 3 Soft Skills: Collaboration, Team-first mindset, Safety/privacy-by-design thin

Senior User Researcher - Mobile ExperienceLocation: RemoteContract Duration: 6 months We are looking for an experienced Senior User Researcher to support high-priority mobile product initiatives for a leading consumer technology organisation.This is a hands-on research role for someone who can independently investigate user needs, identify usability challenges and translate research findings into product improvements.You will collaborate with Product, Desi

Product Designer - Global Growth & AI London Based - Hybrid working 6 Months Contract £400 to £490 a day Inside IR35 A global fintech leader is looking for a Product Designer to drive UX for our expansion across Western Europe, the UK, Canada, and ANZ. You'll build scalable, multi-market experiences that balance core platform systems with local market needs. If you thrive at the intersection of Product-Led Growth (PLG), international scaling, and agenti

Job title: Senior Product Designer, TV Duration: 6-Month ContractLocation: Remote Design the future of shared living room entertainment. We are seeking a high-craft, highly autonomous Senior Product Designer to shape native, big-screen experiences for our TV and Desktop platforms. In this fast-paced, 6-month contract role, you will translate strategic vision into polished, build-ready 10-foot UIs that blur the line between listening and watching.What You'l

Role: Java React DeveloperType: PERMLocation: London, UKWorking Model: Hybrid (3 Days per week in Office)We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices.The Tech Stack:Backend: Java (11/17), Spring Boot, Spring Security, Microservices.Frontend: React.js, TypeScript, JavaScript, Redux.Infrastructure & Data: Docker, Kubernetes, Kafka/RabbitMQ, Oracle/PostgreSQL/MongoDB.What You N

Role: Payroll Transformation SpecialistType: Contract (6 Months with potential Extension)Location: UK (Remote)Working Model: RemoteThe Role Act acts as the strategic bridge between the project team, external vendors, and internal IT (Architecture, Cybersecurity) to ensure the technical side of Mars' payroll transition runs flawlessly. This is a coordination and delivery role, not hands-on coding.Key Responsibilities:Map complex application and database dep

Job Title: Java Modernization Technical ArchitectEngagement Type: Contract (Initial 6 Months, potential for extension)Location: London, UK (Hybrid)Clearance Requirement: Active UK Government Security Check (SC Clearance Required)Role OverviewWe are seeking an experienced Java Modernization Technical Architect to lead enterprise-scale cloud transformation initiatives. In this role, you will define and execute architecture migration strategies for legacy Ja

Overview:We are looking for an experienced Network Engineering Specialist (4G ESN / Mobile RAN Performance SME) to shape mobile RAN strategy and optimize critical, high-availability networks. Operating in the 4G Emergency Services Network (ESN) domain, you will lead end-to-end performance analysis, troubleshoot complex protocol traces, and drive network fixes across enterprise mobile infrastructure.Key Responsibilities:E2E Performance & Root Cause Analysis

🛡️ Security Analyst (Consulting Practitioner)Contract Duration: ~5-6 Months: Starting January 2027Work Mode: 🏢 Hybrid (3 days/week in office)Primary Office Locations: London, Birmingham, or SheffieldDaily Rate: £232 PAYE / £310.50 Umbrella📌 Role OverviewWe are seeking an intermediate Security Consulting Practitioner / Security Analyst to join our cybersecurity team. In this role, you will help bridge technical cybersecurity operational needs with strate

Cyber Security LeadLocation: London, Birmingham, or SheffieldWorking Pattern: Hybrid (3 days a week in the office)Contract Length: 6-month contractPay Rate: £232 per day (PAYE) or £310.50 per day (Umbrella)Security Clearance: Not requiredAbout the RoleA Cyber Security Lead is required to join a commercial banking division on a 6-month contract.The successful candidate will help safeguard systems, protect customer data, and ensure full compliance with finan

Data Protection Officer (Interim)Location: London or Sheffield (Hybrid - 2 days per week in office)Rate: Upto £900/day Inside IR 35Contract Length: 6 - 10 Months (Initial contract with potential extension) Role OverviewWe are looking for an autonomous, hands-on Interim Data Protection Officer (DPO) to provide strategic oversight, act as statutory DPO under UK GDPR, and lead our Information and Data Governance team.This role combines regulatory compliance w

Job Title: Security Technical Analyst / Security Consulting PractitionerLocation: London, Birmingham, or Sheffield (Hybrid: 3 days per week in-office)Contract Duration: 6 monthsAbout the RoleWe are seeking an experienced Security Consulting Practitioner to guide clients on their business protection journey by shaping security strategies, designing robust solutions, and strengthening cyber resilience. This is a dynamic role that blends strategic advisory wi

Job Title: Security Program Management Office (Security PMO) Engagement Type: Contract (Initial 6 Months, with potential for extension)Work Location: London, Birmingham, Sheffield, UK (Onsite)Role OverviewAs a Security PMO, you will drive operational governance and structured delivery across strategic security initiatives. You will act as the key coordinator for program performance, ensuring clear visibility into milestones, proactive risk mitigation, and

We are seeking an experienced Cyber Business Integration Analyst to support strategic technology and cybersecurity initiatives, focusing on business process analysis, programme governance, reporting and delivery coordination.Key ResponsibilitiesAnalyse business processes, operating models and their integration with technology.Support programme governance, reporting and portfolio tracking.Maintain action logs, RAID logs and delivery trackers.Coordinate stak

I am currently sourcing for a high-impact Senior Information Security Analyst role to support cyber governance, risk management, and control execution across core business functions. Operating within a high-assurance, regulated environment, this position will drive cyber risk assessments, manage security issues, and collaborate closely with cross-functional stakeholders.Quick Snapshot:Role: Senior Information Security AnalystSetup: Contract (5 Months) | In

IT Programme Analyst 📍 Location: Remote - with occasional travel here and there to London📍💰 Rate: £475 - £500 / day (Outside IR35)📅 Contract Duration: End of June 2027 (with strong potential for extension)🌟 Role OverviewWe are looking for a highly organised and proactive I&T Programme Analyst. In this role, you will be instrumental in supporting programme governance, tracking key deliverables, and facilitating seamless business change and stakeholder

IT Programme Manager - Up to £1,100 / day - Outside IR35 - Remote Position: I&T Programme ManagerDay Rate: Up to £1,100 / day 💰IR35 Status: Outside IR35 📄Location: Remote - with occasional travel here and there to London📍Contract Length: Initial contract through End of June 2027 (Possibility of extensions) 🗓️📌 Role OverviewWe are seeking an experienced and strategic IT Programme Manager In this high-impact role, you will be responsible for defining,

Job OverviewJob Title: Cyber Business Integration LeadEngagement Type: 6-Month Contract (Potential for Extension)Location: London, Birmingham, or Sheffield, UK (Hybrid: 3 days per week onsite)Role PurposeThe Cyber Business Integration Lead serves as the primary liaison between global cybersecurity functions and regional business lines. This role ensures business strategies align with cyber priorities, embeds security controls into business initiatives from

Role: Remote Contract: ERP Key User / Supply Chain Systems Expert Location100% Remote (UK time zone friendly, no travel required)Duration6-month initial contract with potential extension up to 18 monthsHours37.5 hours/week (flexible 9-5 schedule) A global manufacturing organisation is looking for a Functional Expert to guide their packaging material planning team through a major system transition. You will act as the primary technical point of contact as

As a Product Content Specialist, you will play a key role in managing digital product content and catalog data for new product launches across European eCommerce platforms. Your primary focus will be reviewing, enhancing, and standardizing product technical specifications, metadata, and asset media provided by external suppliers, ensuring all digital authoring aligns with corporate style standards and brand guidelines.Key ResponsibilitiesSupplier Data Coll

We're Hiring: Senior Project Manager / Programme Manager - Enterprise Change OfficeLocation: London Work Model: Hybrid - 4 days in the office, 1 day working from homeDay Rate: £750 - £800 per day (Inside IR35 / Umbrella)Contract: 12-month contract (Possibility of extension)My client, a leading global investment management firm, is seeking two experienced Project / Programme Managers to join their embedded Enterprise Change Office (ECO) team in London.Unlik

We are seeking an experienced Lead UX Designer & AI Product Strategist to spearhead the modernization ofcomplex enterprise financial and operational workflows. Operating at the intersection of enterprise service design,AI product strategy, and user experience architecture, you will lead the end-to-end transformation of high-volumefinancial cycles (contract execution, invoicing, cash application, and exception resolution).In this senior advisory role, you w

Senior Oracle Apps DBALondon (Hybrid working once a week in office) 6 Months Contract Inside IR35 £500 a day A well established consultancy firm is currently looking for an experienced Oracle Apps DBA to manage, maintain, and optimise mission-critical Oracle E-Business Suite (EBS R12) environments and underlying databases.In this hands-on, high-impact technical role, you will take ownership of cross-layer troubleshooting spanning application, database, ope

Senior Data Analyst - Customer Success 📍London, UK (Hybrid working 2/3 days in the office) 10-Month Contract £250 a day inside IR35 A well established Fintech leader is looking for an experienced Data Analyst who loves digging into user journeys, finding the story behind the numbers, and showing businesses the exact purpose behind their data. You will join the Customer Success Data Science team. This is a hands-on, consultative role where you'll help br

Google Cloud Engineer - GCP Networking SpecialistMy global IT consultancy require and experienced hands-on Google Cloud Networking Engineer who specialises in GCP networking to join their team in London working for a financial organisationYou'll design, build and operate the provisioning engine that turns intent into standardized, compliant networking resources (VPCs, subnets, policy, routing and private connectivity endpoints) at enterprise scale. Workin

AdvertJob Title: System Administrator (Endpoint Support)Location: London- Hybrid 3 days on site a weekContract Type: 6-Month ContractAbout the Role:We are seeking a skilled and proactive Software Distribution & Endpoint Support Specialist for a 6-month contract based in London. In this critical role, you will be responsible for delivering reliable and cost-effective software updates across a complex, hybrid enterprise environment. You will support a diver