30 jobs found in Barnet

Applications Developer - Defence Client Location: Remote Contract Length: 6 Months Clearance: The ideal candidate will hold active SC clearance Day Rate: £525 Inside IR35 About the Role A leading Defence Client is seeking an experienced Applications Developer to support a high‑profile, secure programme. This role involves delivering robust application development within a sensitive defence environment. Key Responsibilities Develop, enhance, and maintain application components according to project requirements. Build, test, and deploy APIs and data integrations. Contribute to containerised deployment processes in secure environments. Work collaboratively with cross‑functional technical teams to ensure scalable and secure solutions. Troubleshoot and resolve application and integration issues. Support Azure‑based application hosting and associated services. Essential Skills & Experience Candidates must have experience with: Python SQL JSON API development (WebMethods,...

Full Stack Developer (Python / React) - SC Cleared Location: Remote (UK) Rate: Up to £525 per day (Umbrella only) Clearance: Active SC Clearance required Sector: Public Sector IR35 Status: Inside IR35 (PAYE via Umbrella) The Role We are seeking an experienced Full Stack Developer to support proof-of-concept development within a secure public sector environment. This is a fully remote opportunity working on modern application server technologies, contributing to rapid development and validation of technical solutions. Key Responsibilities Develop proof-of-concept applications Deliver full stack development across front-end and back-end components Build responsive user interfaces using React Develop back-end functionality using Python Manage code repositories using Git Work with SQL databases Collaborate within an agile technical team Required Skills & Experience Strong Python development experience Front-end development experience with React Experience using Git for...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote   We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered on a Hybrid remote basis requiring 1/2 days per week of onsite work in Swindon or London.   Key Requirements Strong commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands‑on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in the Finance/Fintech Industry is beneficial Key Responsibilities Design, implement, and thoroughly test new enhancements across the platform Lead feature development from initial concept through to final delivery Produce high‑quality software...

Job Title: Process Transformation Project Manager Location: London/hybrid Contract: 9 months Rate: £426.15 per day inside ir35 The Role An opportunity to join a Global Interactive Entertainment company and play a key role in driving high-impact transformation and leading initiatives that bridge customer service, logistics, and technology operations across a dynamic, global environment. You will be responsible for driving business transformation and process improvement initiatives, working at the intersection of customer services, operational logistics, and technology delivery. This role requires the ability to define current ("as-is") operations, design future ("to-be") processes, and ensure smooth implementation across all stakeholders - from the business teams to technical providers. You will: Lead projects that enhance operational efficiency, streamline workflows, and improve customer service outcomes. Collaborate with cross-functional teams, including IT, logistics,...

My client in Greater London are looking to appoint a talented IT Security Manager on a Contract basis. As the strategic lead for technology security, you will be responsible for safeguarding the council's IT applications and digital services. Working across the council and with external partners, you will provide expert guidance on security risk, data privacy, and governance. You will also evaluate new technologies, suppliers, and projects to ensure robust security standards are embedded from the outset. What's on offer: Salary: £600 per day, Inside IR35*negotiable based on experience *please submit your CV with the rate you require Hybrid working Contract type: Contract Monday - Friday About the role: Based in Greater London (Hybrid): Lead the development and delivery of the Council's IT Security Strategy, establishing a clear roadmap for continuous improvement Ensure the security of IT operations and infrastructure through monitoring, alerting, and log analysis Develop...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month). As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...

Java Messaging Engineer | eBond Trading Platform We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of the "eBond" ecosystem, managing high-throughput trade flows and external venue connectivity. Your Technical Arsenal Core Java Mastery: Expert-level Java (8+) with a focus on Multithreading, Concurrency, and Asynchronous processing. Reactive Systems: Hands-on experience with Functional Reactive Programming (RxJava, Java 9 Flow API, or similar). Low Latency Messaging: Deep understanding of 60East AMPS, Kafka, or Solace. You should be comfortable with Pub/Sub, Point-to-Point, and durable subscriptions. Middleware & Networking: Expertise in socket programming and optimizing low-latency network communication. Modern Stack: Spring IoC/MVC, SQL (Sybase/PostgreSQL), and a solid grasp of Linux internals.Rate: £625 per day (Umbrella / Inside IR35) Location: London (Hybrid)...

Solutions Architect - Tier Bank - Canary Wharf - 2 Stage interview process - ASAP start Role - Solutions Architect Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - £515 per day (Inside IR35) Experience - In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle. Good understanding of MS .NET Framework environments. Knowledge and experience of Agile methodology Knowledge of Cloud and AI technologies that can be adopted into the workplace Extensive experience working as a software and solutions architect. Experience in designing of high-level concepts for software solutions. Experience in development of Azure cloud-based as well as on-prem solutions. DevOps and SCRUM experience Experience in Cloud migration planning and executionTasks - Create and improve architectural standards for on premise and azure cloud software products,...

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms Javascript SQL OracleTasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required. As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel...

Hardware Team Lead £94.24 per hour (Inside IR35) 12 months Monday to Thursday on site - Rochester (Kent) As a Hardware Team Leader, you will lead a team of highly skilled and experienced hardware engineers responsible for the support to our production programs within products such as Helmet Mounted & Head-Up Displays, Mission Computers, Flight Controls, Active Inceptors and other associated safety critical technology. Core duties: You will be providing managerial and technical leadership of an electronics design team You will be involved in work package management; cost, schedule, risk and opportunities You will be ensuring the engineering team is supporting the production program demand You will be providing technical governance and ensuring adherence to company processes You will be leading cost and performance trade-offs Essential Skills: You will be able to demonstrate high performance and achievement in leadership and management of engineering teams through a full...

IT Project Manager - Information Security | SOC | SOC Transformation Project | Hybrid - 2 days per week in the office - 3 days working from home | 6 Months Contract | £590/day Inside IR35 | LONDON | In this role you will support the procurement process for an outsourced Security Operations Centre (SOC). You'll manage the project to deliver all workstreams in line with key project milestones and agreed timescales. Desired experience will include prior experience of technology projects ideally within a regulated environment. Your Essential Skills and Experience: Experience of Technology projects (e.g. SOC transition, systems development, infrastructure, service transition) A working knowledge of governance, standards, and controls within project management. Strong financial acumen with understanding of budgetary control and ability to provide detailed project financial management and reporting. Previous experience working within a regulated environment and governance SOC...

Role Title: Workday Specialist Duration: contract to run until 27/11/2026 Location: London, hybrid Rate: up to £460 p/d Umbrella inside IR35 Clearance required: You must hold a British Passport Role purpose / summary A Workday Specialist is responsible for designing and configuring Workday modules, implementing business rules, and customizing the system based on business needs. You'll work in close partnership with a range of both external and internal stakeholders, to ensure the project is delivered on time, within budget, and with seamless integration. Key Responsibilities Define project scope, objectives, and success criteria in collaboration with stakeholders. Develop and manage comprehensive project plans, timelines, budgets, and resource allocations. Lead cross-functional collaboration to ensure alignment and accountability. Monitor project progress, proactively identify risks and dependencies, and implement mitigation strategies. Ensure timely delivery of milestones...

Insight & Analytics Specialist 3 Months Contract - £200 to £270 a day inside IR35 London Based (3 days in the office) A leading UK Fintech brand is looking for a data-driven Insight & Analytics Specialist to join their Growth & Retention team. You will play a pivotal role in bridging the gap between raw data and commercial strategy, focusing on optimising the customer journey and enhancing long-term user value. The Role Visualisation: Design and scale high-impact dashboards (Tableau/Qlik) to track revenue drivers and customer health. Data Engineering: Leverage SQL and Python to build scalable ETL processes and ensure seamless data integration. Experimentation: Partner with the Growth team to analyse A/B test results and set performance baselines for future scaling. Stakeholder Management: Act as a technical consultant for Sales, Marketing, and Success teams, translating complex data into executive-level insights. Governance: Drive data integrity and best practices...

Salesforce Developer (Eligible for SC Clearance) 6 Months Hybrid/London - 2-3 days per month £(Apply online only) per day (Inside IR35) My client, a government body are seeking a Salesforce Developer to join their fast-paced Salesforce Delivery team in London, on an initial 6 month contract based out of London on a hybrid basis where the selected candidate will be required on site 2-3 days per month. ***Please note, you must either hold Full UK Security Clearance (SC) or be able to attain it to be eligible for this role*** The Salesforce Developer builds on and extends the capabilities of the Salesforce platform. You will use the full arsenal of tools and components within Salesforce, including Flows, OmniScript, Apex and LWC. While you will report into your project leads, you can expect some level of client and project stakeholder interaction. Responsibilities on the role- Salesforce Industry cloud Development and Deployment, using the Public Sector Solutions cloud...

Linux Engineer / Architect 6 Months Contract + with possible extension £550 a day inside IR35 London Based - 2 days in the office *Active SC Clearance is Needed* A well established IT Provider is looking for an experienced Linux Engineer / Architect with a proven track record of designing, building, and maintaining mission-critical enterprise platforms to join their IT Team on a 6 months contract. You will be at the heart of their infrastructure strategy, responsible for the high-end troubleshooting, security hardening, and automation of our global server estate. This is a role for a technical heavyweight who thrives on solving complex root-cause issues and enjoys the architectural challenge of ensuring 24/7 availability for high-traffic environments. Key Responsibilities Provide expert-level guidance to engineering teams and lead root-cause analysis on complex system-wide issues. Linux Engineering: Manage and optimise a large-scale estate across RedHat, Ubuntu, and...

I am recruiting for a Data Scientist to work on a hybrid basis - 2-3 days in London, remaining time remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. This role will move into a permanent position after the 6 months so please only apply if this is suitable for you. I am recruiting for a Data Scientist / ML engineer with several years of experience. You will have experience of driving new data insights to uncover business opportunities & revenue streams, have a firm understanding of statistics and data visualisation for communication and also have an understanding of business growth areas & how to utilise important data. Experience of supporting data science projects in a consulting environment is essential for this role. You must have a number of years of experience participating in projects that focused on some of the following - Predictive Analytics, Data Design, Statistics, AI/ML or ML...

SQL Engineer (Contract) Inside IR35 - Hybrid working (3 days onsite) Overview We are seeking an experienced SQL Engineer to support a large scale SQL Server and Windows Server migration programme. The role involves upgrading a significant estate from SQL Server 2016 and SQL Server 2019 to newer, supported versions. With multiple end of life deadlines approaching, this position is critical for ensuring stability, compliance, and long term platform resilience. The ideal candidate will have strong hands on experience delivering complex SQL upgrade and migration projects, excellent analytical skills, and the ability to work in a structured programme environment. Key Responsibilities * Lead and execute migration activities across a large SQL Server estate, moving from SQL 2016 & 2019 to SQL 2022 (with a roadmap toward SQL 2025 in future phases). * Assess, analyse, and document the existing SQL environment, including discovery of additional instances "in the background." * Work...

OIC Developer (Oracle Integration Cloud) 3 months Market Rate (Inside IR35) Job Summary: We are looking for an experienced OIC Developer to design, develop, and maintain integrations using Oracle Integration Cloud. The role involves working with cloud and on-premise applications to ensure seamless data flow and business process automation. Key Responsibilities: Design and develop integrations using Oracle Integration Cloud (OIC) Build and maintain REST/SOAP APIs and integrations Work with adapters (ERP, HCM, FTP, REST, SOAP, etc.) Perform data mapping, transformations, and orchestration Troubleshoot and resolve integration issues Collaborate with functional and technical teams Ensure best practices in integration, security, and performance Required Skills: Strong experience with Oracle Integration Cloud (OIC) Knowledge of REST/SOAP web services Experience with XML, XSLT, JSON Familiarity with Oracle SaaS (ERP/HCM) integrations Understanding of integration patterns...

MERITUS are recruiting for a Principal Quality Assurance Engineer to support with Supply Chain engineering programmes in the defence sphere from our client's site in Stevenage. Please note, there will be regular supplier visits to international sites and you must have awareness of AS9100 and ISO 9001. PRINCIPAL QUALITY ASSURANCE ENGINEER - INSIDE IR35 - £45 PER HOUR (£333 PER DAY) - 6 MONTHS - 2 STAGE INTERVIEW PROCESS - STEVENAGE (+INTERNATIONAL TRAVEL) Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications Maintain accurate and organized records of all quality control activities Communicate findings to relevant departments / stakeholders and work cross functionally to implement root cause corrective actions at supplier Contribute...

Our client has an opportunity for a Principal Quality Assurance Engineer - Supply Chain to join them on a contract basis. This opportunity provides the chance to work within a dynamic quality team. The primary responsibility will be to plan and conduct supplier quality audits / surveillance activities to drive future process control. In addition, where applicable carry out inspection / verification activities to support the delivery of conforming production hardware. While ensuring adherence to our customer and supplier requirements. Role: Principal Quality Assurance Engineer Location: Stevenage or Bolton, 2 days WFH the rest onsite/visiting suppliers Contract: 6 months rolling Clearance: Full SC required to start - UK Eyes Only due to project Hourly Rate: £40-£45 per hour via Umbrella, inside IR35 What you'll be doing: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet...