61 jobs found in London Borough of Barnet

ServiceNow Developer £85-£90 per hour (Inside IR35) 12-Month Contract Hybrid Working - Soho, London We're looking for an experienced ServiceNow Developer to join a high-profile digital platform team supporting globally used content and partner management systems. This is an opportunity to work on large-scale, business-critical applications used by internal and external stakeholders worldwide. The successful candidate will be a proactive and technically strong ServiceNow professional who enjoys collaborating across multiple teams, influencing stakeholders, and delivering high-quality platform solutions in a fast-paced Agile environment. Key Responsibilities Design, develop, and implement solutions across the ServiceNow platform Provide technical expertise and best-practice guidance on ServiceNow capabilities Work closely with business and technical stakeholders to gather and refine requirements Translate business requirements into scalable technical solutions Plan, estimate,...

ServiceNow Developer £60-£65 per hour (Inside IR35) 12-Month Contract Hybrid Working - Soho, London We're looking for an experienced ServiceNow Developer to join a high-profile digital platform team supporting globally used content and partner management systems. This is an opportunity to work on large-scale, business-critical applications used by internal and external stakeholders worldwide. The successful candidate will be a proactive and technically strong ServiceNow professional who enjoys collaborating across multiple teams, influencing stakeholders, and delivering high-quality platform solutions in a fast-paced Agile environment. Key Responsibilities Design, develop, and implement solutions across the ServiceNow platform Provide technical expertise and best-practice guidance on ServiceNow capabilities Work closely with business and technical stakeholders to gather and refine requirements Translate business requirements into scalable technical solutions Plan, estimate,...

Alstom is the UK & Ireland’s leading supplier of new trains and train services, and a leading signalling and rail infrastructure provider. Alstom have built, or are building, just under 40% of the UK mainline train fleet; as well as the entire fleets in service with London Underground and Dublin Luas. We provide the widest range of smart solutions in the rail market, from innovative high-speed rolling stock, metros and trams to maintenance, modernisation, infrastructure and signalling. Employing 6000 people, we design and build trains at Derby, the UK’s largest train factory; and operate major sites at Widnes, Crewe, Ilford and Plymouth, and 30 train services depots across the UK and Ireland. Overview: Lead the development and deployment of the next generation data-driven solutions for Mobility, within a lean startup pathway and in collaboration of engineering & mobility experts, data scientists, software engineers, HMI designer and devops. We'll look to you for: *...

IT Support Engineer (Windows/Linux) We are looking to speak with 2nd Line Support Engineers with experience of supporting Linus and WIndows devices. This role is focused on EUC Support so you don’t have to have experience with the Server side but you will be asked to troubleshoot and fix 2nd Line issues with Windows and Linux endpoints. The ideal candidate will have practical experience building and supporting both Operating Systems and be available to be on site 5 days per week in London. Key Requirements & Skills Experience: Hands-on experience in IT Support, Systems Administration, or a similar 2nd Line role. Technical Proficiencies: M365 / O365 Windows OS Linux - Ubuntu AD/EntraID Group Policy Solid foundational or advanced knowledge of Linux OS administration. Device Build Scripting Config Management TCP/IP DNS Soft Skills: Exceptional customer service, problem-solving, and the ability to explain complex technical issues to non-technical users

Senior Data Engineer – (Tick data, Time-Series; kdb+ / Q ) 3-6 months initially. London 3 days onsite   Are you a Data Engineer with a background in systematic trading who has worked with granular tick market data? Have you built pipelines to allow tick data to be ingested into a time series tech stack utilising kdb+ and Q? If so keep reading!   Certain Advantage are recruiting on behalf of our London based trading client for a Data Engineer to focus on building a scalable data platform for algorithmic trading.   You’ll Identify and implement solutions for Quants and Traders, providing data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics.   Your Project Work: Identify and implement solutions to provide data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics. Work with business Stakeholders to build new and maintain existing real-time and historical data services and...

MLOps Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Machine Learning, Python, containerization (Docker), CI/CD, Azure As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Solid programming skills in Python (plus experience with web libraries like FastAPI, Flask, or Django) - Hands-on experience with ML model deployment and monitoring in production Knowledge of containerization (Docker) - Experience with CI/CD pipelines and cloud environments (we use Azure) Assignment Objectives - Implement or improve model monitoring and operational controls for AI/ML systems. - Build and...

Data Engineer London / remote £429 per day inside IR35 6 months duration Active SC clearance We are seeking a Senior Data Engineer to join a high-performing team delivering large-scale cloud and data transformation programmes. This is an exciting opportunity to work on complex data platforms, leveraging modern cloud technologies and best-in-class engineering practices to build scalable, secure, and high-quality data solutions. You'll play a key role in designing and developing data pipelines, integrating data from multiple sources, and helping organisations unlock the value of their data through robust engineering and architecture. What You'll Be Doing Designing, developing, and optimising enterprise-scale data pipelines. Building cloud-native data solutions using AWS and Azure. Developing and supporting ETL/ELT processes using Informatica. Working with large datasets to ensure data quality, performance, and reliability. Collaborating with architects, developers, analysts,...

Senior Platform Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Azure, Terraform, containerization, CI/CD As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Strong experience with Azure cloud services (compute, networking, storage, identity) - Proficiency with Infrastructure as Code (Terraform) - Solid experience building and maintaining CI/CD pipelines (GitHub Actions) - Hands-on experience with container orchestration (Kubernetes, Docker) - Proficiency in scripting and automation (Python, Bash, or similar) - Understanding of networking fundamentals, security best practices, and...

Test Manager** (Contract) Duration: 6 Months (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly experienced, strategic and dynamic QA Lead/ Test Manager to partner with key departments across the EMEA region to lead and drive testing and automation requirements for specific projects within the ECB programme. This pivotal role is accountable for the successful delivery of key vertical cross functional test activities covering Test Strategy and Planning, Test automation, effective ECB test team management, and comprehensive stakeholder engagement. The QA Lead/ Test Manager role will work closely with the Programme Test Manager, IT PMs and Project stakeholders to drive strategic initiatives and ensure alignment with organizational goals. Key Responsibilities: Manage FT, SIT, UAT, targeted release BAU testing and regression testing...

job Title: Power Platform Solution Architect (Contract)  Start Date: July Location: UK-Based – Hybrid Working with Office Requirement as Needed Work Type: Contract Role: An exciting opportunity has arisen for an experienced Power Platform Solution Architect to join a major digital transformation programme. This role is ideal for someone who thrives at the intersection of business transformation, solution architecture, and hands-on design, bringing together Dynamics 365 Customer Engagement, Power Platform, and enterprise integration capabilities to deliver scalable business solutions. This is not a standalone Power Platform position. You will play a pivotal role in designing and shaping complex solutions across the wider Microsoft ecosystem, helping organisations modernise legacy platforms, consolidate systems, and create seamless customer and operational experiences. Working closely with senior stakeholders, technical teams, and business leaders, you will own solution...

Job Title: D365 SCM Solution Architect (Contract)  Salary: Competitive Day Rate (Outside IR35) Location: Hybrid Working – Office Requirement as Needed Work Type: Contract Role: An exciting opportunity has arisen for an experienced D365 Supply Chain Management Solution Architect to join a major transformation programme with an immediate start available. This contract role will play a critical part in shaping and delivering a Microsoft Dynamics 365 SCM environment focused on inventory management, product management, and pricing processes. You will work closely with senior stakeholders, operational teams, and technical specialists to design scalable solutions that optimise warehouse operations, inventory accuracy, product lifecycle management, and pricing structures. This is a fast-paced environment where your expertise will directly influence business performance and operational efficiency across the supply chain. Responsibilities: Lead the solution architecture and...

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-Latency About the Team & Platform We 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 own their own backlogs-supported directly by Product Owners, Business Analysts, and Scrum Masters. Specifically, our core engineering focus sits at the intersection of trade booking architectures, static data management, and real-time connectivity workflows. This team is responsible for managing the continuous, asynchronous transaction data pipelines that ingest live trade feeds directly from external international exchanges and trading venues. What You Will Do Design, implement, and adapt complex distributed...

Digital Delivery Manager £700 per day (Umbrella) | Inside IR35 | 6-Month Contract | DV Cleared | Hybrid (London/Northwood)   Overview A leading government defence organisation is seeking an experienced Digital Delivery Manager to lead the successful delivery of critical digital and technology programmes within a highly secure environment. The chosen candidate must have DV clearance, coupled with experience working within a multidisciplinary team interacting with End Users across Digital products, ideally within the defence sector who is happy to travel onsite 2 to 3 days per week in London.   The successful candidate will possess a strong background delivering complex digital transformation initiatives within defence, national security, government, aerospace, or other highly regulated sectors.   Key Responsibilities Lead the end-to-end delivery of digital projects and services. Develop and maintain delivery plans, schedules, milestones, and reporting frameworks. Manage project...

C# .NET Developer - Global Investment Bank - London My client, a leading global bank is looking for a C# .NET Developer to join its technology team in London, supporting critical business applications used across international markets. This is a hands-on role focused on desktop application development (WPF / WinForms) combined with ongoing production support and enhancements. Key Responsibilities Develop and maintain C# .NET desktop applications (WPF / WinForms) Work across the full development lifecycle (design, build, testing, release) Support and troubleshoot production systems and live environments Collaborate with global teams including infrastructure, support, and business users Contribute to system improvements, upgrades, and performance optimisation Essential Skills Strong experience with C# / .NET Proven experience with WPF and/or WinForms Experience developing desktop-based applications Ability to support and troubleshoot live systems Desirable Skills Experience...

Hays are now looking for a Java Developer on a 12 month contract. The client requires all candidates to already hold SC Clearance and NPPV3. £428 Inside IR35 Mainly Remote (once a month in Bridgend or Reading) Candidates must hold current NPPV3 & SC Clearance 12 month contract Our client is building a team to support and maintain a critical national policing system used across the UK. This role focuses on Level 3 support, troubleshooting, and ongoing development of legacy Java-based applications in a highly collaborative environment.Working closely with Support, Platform, and DBA teams, you will play a key role in ensuring system stability, implementing enhancements, and resolving complex technical issues. What You'll Be Doing Provide Level 3 support for a business-critical national system Troubleshoot, diagnose, and resolve production issues Maintain, enhance, and support legacy Java-based applications Develop, refactor, and implement automated tests Design, build, and test...

Job Title: Senior Data Engineer (Informatica) Day Rate: £(Apply online only) - Umbrella only Clearance required: SC cleared Location: London/Hybrid Duration: 5 months Essential Skills: Informatica Data project experience AWS Azure Desirable Skills: Hands-on expertise in AWS & Spark: Amazon EMR, S3, Lambda; strong PySpark/Python and SQL for large-scale batch processing. Data engineering at scale in government or similarly complex domains, including performance tuning and data quality management. CI/CD & DevOps: pipelines and IaC (e.g., Terraform), automated testing, and release governance. Version control & collaboration: Git/GitLab, code review, branching strategies, and trunk/PR workflows. APIs & integration: building/consuming data services to move and expose data safely and reliably. Agile ways of working with Jira/Confluence; clear stakeholder communication and concise technical documentation. Data warehousing & modelling (e.g., Redshift; dimensional...

Solution Architect - Smarter Bidding Programme Circa £750/day (inside IR35) Central London - 3x per week onsite 4-6 month contract We are representing a well renowned company in the midst of transformation and change who are looking for a Solutions Architect to join their high-performing team and support a large, international programme. As the Solutions Architect, you will be working on a 'Smarter Bidding' programme, a strategic initiative focused on replacing fragmented, Excel-driven bidding and pipeline processes with a modern workflow and performance management platform. You will be key to designing end-to-end tech & solution designs and contribute to the business' evolution of architecture patterns, standards, and best practises and, ultimately, uplift the maturity of the architecture function. We are looking for: Proven experience within a Solutions Architecture position Expertise in bid management, pipeline management, tendering, or operational workflows - ideally...

My customer is a leading industrial manufacturer based in North London. They are looking for a Data Migration Lead for a ServiceNow Transformation Project. ** We are also looking for a Programme Director and Senior Project Manager - for the same ServiceNow programme ** Role: Data Migration Lead (ServiceNow) Project: ServiceNow Transformation Project (TPSM Implementation) Summary: The Data Migration Lead is responsible for defining, planning, and executing all data migration activities required for a successful ServiceNow TPSM (Technology Provider Service Management) implementation. This role ensures that all relevant details accurately extracted, transformed, validated, and loaded into ServiceNow in alignment with business and technical requirements. Deliverables: Strategy & Planning * Develop and own the data migration strategy, scope, and detailed migration plan for the TPSM implementation. * Identify all in‑scope data objects, legacy systems, dependencies, and required...

Platform Engineer (AWS / Databricks) London (Hybrid) 6 Month Contract £600/day (Inside IR35) Platform Engineer needed with strong AWS, Databricks and Unity Catalog experience. Start ASAP in June/July 2026. 6 Month Rolling Contract based in London (Hybrid), with occasional travel to the Leeds office. Hybrid Working - 3-4 days/week remote (WFH) + 1-2 days/week working from the office in London. A chance to work with a leading global IT transformation business specialising in large-scale Government projects: Supporting secure integration between AWS hosted data sources, Databricks workspaces and downstream enterprise data platforms. Design and support secure integration across AWS S3, Databricks and downstream data platforms. Strong hands-on experience with AWS IAM, S3, KMS and secure cloud access patterns. Hands-on Databricks on AWS experience, including Hive Metastore, Delta tables, SQL Warehouse and workspace access controls. Practical Unity Catalog experience,...

Finance Process Consultant - Consulting We are supporting a large-scale finance improvement programme focused on enhancing financial processes, reporting, forecasting, and data management within a complex organisation. The programme is designed to improve the efficiency and effectiveness of finance operations, enabling stronger financial performance monitoring, more accurate forecasting, and improved financial data management. As a Finance Process Consultant, you will work closely with programme leadership and finance stakeholders to analyse current processes, design improved finance solutions, and support delivery across multiple transformation workstreams. Role Responsibilities You will play a key role in supporting the analysis, design, and implementation of finance process and system improvements. Key responsibilities include: Capturing and documenting finance business requirements Supporting the design of improved finance processes and system solutions Conducting...