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Contractor 37
Information Technology Inside IR35 Sunbury On Thames

37 jobs found in Sunbury-on-Thames

CL
Nov 25, 2025  
Contract C++ Linux Software Engineer
9-month contract for a C++ Linux Software Engineer. Inside IR35, 2 days from home after an initial period getting to grips with the project. You will need to live within a commutable distance. Contract Software Engineer essential skills - * Strong C++ on Linux * Significant embedded software engineer experience Desirable skills * Build environment – OpenEmbedded, Bitbake, Makefiles * Networking - UDP, TCP/IP, Analysis tools (e.g Wireshark) * Linux Kernel and CLI tools * BASH scripting * Python * Real-time multi-threaded software concepts * U-Boot * Wt web GUI library familiarity ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Position: Contract C++ Linux Software Engineer Location: Wimbledon, London Apply: jamie AT enterpriserecruitment DOT com
IR35 Status:
Inside IR35

CV-Library Merton, Greater London Contractor
CL
Dec 19, 2025  
External Information Solutions Lead
Are you looking for a new role as an External Information Solutions Lead? Do you have a deep understanding of the data lifecycle, metadata, ontologies and scientific knowledge systems? Are you also experienced in FAIR data principles and semantic technologies, ensuring data is structured for scientific use? If so, please click apply today! We are recruiting for an External Information Solutions Lead on behalf of a global biopharmaceutical leader. This position is offered on full-time working 37.5 per week on a contract basis initially for 12 months. This position is inside IR35, ideally based in Slough but remote or hybrid applications will be considered. The successful candidate will report into the Head of Scientific Information and Intelligence and will be responsible for helping to define and execute the teams data marketplace strategy to enable seamless access to licensed external information assets. Key Responsibilities: Define and evolve the vision for the data...
IR35 Status:
Inside IR35

CV-Library Slough, Berkshire Contractor
CL
Dec 20, 2025  
Data Engineer
Role Title: Data Engineer Role Type: Contract (inside ir35) Role Location: London, UK Mandatory: Active Security Clearance Job Description:- Essential Skills & Experience: ·10+ years of experience in data engineering, with at least 3+ years of hands-on experience with Azure Databricks. ·Good proficiency in Python and Spark (PySpark) or Scala. ·Deep understanding of data warehousing principles, data modelling techniques, and data integration patterns. ·Extensive experience with Azure data services, including Azure Data Factory, Azure Blob Storage, and Azure SQL Database. ·Experience working with large datasets and complex data pipelines. ·Experience with data architecture design and data pipeline optimization. ·Proven expertise with Databricks, including hands-on implementation experience and certifications. ·Experience with SQL and NoSQL databases. ·Experience with data quality and data governance processes. ·Experience with version control systems (e.g., Git)....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 19, 2025  
Python Data Engineer
Data Engineer - Security Clearance (SC), Python, Azure, BDD Up to £475 per day (Inside IR35) Remote / London 6 months My client is an International Consultancy who require a Security Cleared Data Engineer, with Active Security Clearance (SC), and strong Python skills to design and deploy scalable Data solutions in a containerized Azure environment. Key requirements: Proven experience as a Data Engineer with Active Security Clearance (SC) Strong Python skills with modular, test-driven design Experience with Behave for unit and BDD testing (mocking, patching) Proficiency in PySpark and distributed Data processing Solid understanding of Delta Lake (design and maintenance) Hands-on with Docker for development and deployment Familiarity with Azure services: Functions, Key Vault, Blob Storage Ability to build configurable, parameter-driven applications Exposure to CI/CD pipelines (ideally Azure DevOps) and cloud security best practices Strong collaboration and communication...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 19, 2025  
Senior Software Developer Python
Job Title: Senior Software Developer Python Contract Length: 12 Months Day Rate: £600 - £650 Inside IR35 Location: London, Manchester or Bristol Working Style: Hybrid - 2 days onsite Requires Active SC Clearance Are you ready to make a difference? Join our client, a leading organisation in the Central Government sector, dedicated to transforming public services through technology. We're looking for a Senior Software Developer with Python expertise to help shape the future of digital government! What You'll Do: As a vital member of the National Data Library team, you will: Lead the design, development, and maintenance of scalable open data services and APIs. Set software architecture, engineering practises, and technical direction. Collaborate with multi-disciplinary teams to select technologies and deliver resilient digital services. Represent the department in technical forums and open-source communities. Ensure alignment with Service Standards and governance processes.About:...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 19, 2025  
Product Manager - Retail, Commerce
Product Manager - Retail, Commerce Product Manager - Retail, Commerce The location of the role is Paddington, London (hybrid working). The duration of the contract is 3 months (likely long term extension). The pay rate on offer is £550 - £600 per day (via Umbrella agency - inside IR35). The client is a multinational high-street retailer. Role Summary Lead the product development for a domain team, where you will be building transformational capabilities to be used across all of the business. Key accountabilities of the role Demonstrate a good level of understanding of both the software development process, and the full technology stack understanding how your product interacts with other product teams and all areas of the business. Work collaboratively, particularly with the wider product team, technology delivery, and engineering. Accountable for the prioritisation of a backlog of work balancing requirements, optimising existing features, removing technical debt, and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 18, 2025  
AWS Data Engineer
Role: Data Engineer (AWS) Contract: £450pd-£500pd (Inside IR35) Location: Remote working with occasional travel to site Duration: End of March 2026 (expected to extend at the new financial year) We are currently recruiting for a Data Engineer to work on a project within the Public Sector space. The role will be AWS focused and requires a Data Engineer who can come in and make an impact and difference to the project. Skills and experience required Experience of back-end / data engineering across a number of languages (including Python), and commonly used IDE's Experience with developing, scheduling, maintaining and resolving issues with batch or micro-batch jobs on AWS ETL or Azure ETL services Experience querying data stored on AWS S3 or Azure ADLSv2, or through a Lakehouse capability Experience in managing API-level and Database connectivity Experience using source control and DevOps tooling such as Gitlab Experience in use of terraform (or similar cloud native products)...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 17, 2025  
Power Platform / Power Apps Developer (Lotus notes)
Power Platform / Power Apps Developer- 6 month contract - London, Canary Wharf / Hybrid - £415 per day (inside IR35) Role - Power Platform Developer - with Lotus Notes Duration - 6 months with very likely extension Rate - £415 p/d (inside IR35) Location - Canary Wharf / Hybrid Role - Design, develop, test, and deploy Power Apps applications Integrate Power Apps applications with Microsoft services such as Power Automate, Power BI, SharePoint, Teams, etc. Utilize Common Data Service (CDS) or other data sources to efficiently manage and store application data. Build and maintain plugins & PCF for PowerApps Implement best practices, standards, and guidelines for Power Apps development to ensure optimal performance and scalability. Assist in supporting the remaining applications in Lotus Notes (HCL notes) Diagnose and resolve issues and bugs in applications, providing ongoing technical support and maintenance. Assist in creating comprehensive documentation and training...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 16, 2025  
Portuguese/English Speaking IT Project Manager Data Centres
We are recruiting for a Portuguese/English Speaking IT Project Manager on contract to work for a leading IT Service Provider. Mandatory: experience in delivering large Data Centre server installations, have worked in and around Data Centres, environment will be fast-paced and changing. TBC- could be remote or hybrid with UK base site and travel to Portugal Bilingual Portuguese English speaker Previous career in Data Centres implementations Travel required to Sines south of Lisbon Portugal Requirement to travel to Portugal on regular basis This is an umbrella contract, the role is Inside IR35
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 14, 2025  
Senior QA Automation Engineer
Senior QA Automation Engineer | £500 p/d Inside IR35 | London | Financial Services Overview We are seeking a Senior QA Automation Engineer to join a leading financial services organisation on a 6-month contract. This hands-on role focuses on delivering high-quality automated testing across web, API, and data validation for investment and wealth management platforms. You will execute automation scripts, validate complex data flows, test RESTful APIs, and ensure releases meet reliability and performance standards. Role & Responsibilities Develop, maintain, and execute automation frameworks for web, API, and data validation testing within wealth management and trading systems Perform functional, regression, performance, and integration testing for complex financial applications Test RESTful APIs using tools such as Postman or RestAssured Validate data and perform back-end testing using SQL Integrate automated tests within CI/CD pipelines using Azure DevOps, Jenkins, or...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 14, 2025  
Software Engineer (AI Agent Developer)
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- (Apply online only) GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer | AI Engineer | AI Agent Developer) to join the IT studio, the team responsible for advancing the digital workplace experience. Our mission is to give every user the best possible user experience from the moment they open their device. By doing so we seek to remove the friction of work, unblocking users to be more productive-anywhere, anytime-with simplicity and safety-with an experience that makes the client one of the best places to work. Required Skills -Experienced in designing, building, testing, debugging and optimizing code of agentic systems/workflows, MCP servers and latest AI-tools. -Experienced in designing, building, testing, debugging and optimizing code of identity authentication and authorization integrations, using standard protocols included, but not limited to, SAML, OIDC, Oauth...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 14, 2025  
Lead AWS Cloud Architect
Lead AWS Cloud Architect London / Reading (Hybrid) 6 Month Contract £(Apply online only)/day (Inside IR35) Lead AWS Cloud Architect needed with extensive AWS Cloud and proven Government agencies project experience. 6 Month Contract based in London and Reading (Hybrid). Hybrid Working - 1 day/week working on-site in either London or Reading, and 4 days/week working remotely (WFH). A chance to work with a leading global IT and Digital transformation business specialising in Government projects. Starting 1st week in January 2026, and looking to interview/offer by 19 December. Key skills, experience + tasks will include: Must have extensive AWS Cloud architecture expertise gained within Government regulated sectors, and across all phases from design to implementation. Acting as the Technical Authority and Design Owner for the AWS cloud migration + modernisation programme. Defining the end-to-end AWS cloud strategy, Target Architecture (HLD/LLD), shaping Landing Zone...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 14, 2025  
Senior Project Manager
Senior Project Manager Needed ! I am currently supporting one of our speciality insurance clients who are looking to bring on a Project Manager on an initial 12 month contract with scope of extensions. The role would require you to go into the London office twice a week and this role will be inside IR35 currently paying up to £656 per day via an umbrella. Required skills: Demonstrable experience of delivering critical and complex IT system related projects in enterprise environments ideally Policy Admin System Programmes (10+ yrs) Understanding of MGA, Lloyd's market and Speciality Insurance operating models, including their unique challenges and requirements.Strong project management background with recent experience in Insurance. Demonstrable change project management experience. Effective communication, facilitation, presentation & negotiation skills. Know how and experience in state-of-the-art information technology. Ability to work with third parties. Experience in...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 13, 2025  
Technical Architect – ServiceNow – Inside IR35
Technical Architect – ServiceNow – Inside IR35 SR2 are supporting a major resilience and ServiceNow optimisation programme with a regulated client. You’ll join a cross-functional team improving CMDB, Change Management, and service tiering, ensuring the platform is scalable, integrated, and aligned with best practices. You’ll shape technical direction and oversee integrations with AWS, Salesforce, Workday, Tableau and other enterprise systems. Key Responsibilities Define and govern the technical architecture for CMDB and Change Management in ServiceNow. Ensure platform design aligns to resilience objectives, service tiering and automation goals. Oversee integrations with AWS, Salesforce, Workday, Tableau and other systems. Work closely with developers, SMEs and offshore partners to guide implementation. Review configuration, data models, API usage and technical dependencies. Ensure alignment with ServiceNow best practices and architectural principles.Required Experience Strong...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 13, 2025  
Data Analyst – ServiceNow - AWS - Inside IR35
Data Analyst – ServiceNow - AWS - Inside IR35 SR2 are supporting an exciting programme of work with a regulated client in London. You'll join an in-flight operational resiliency programme focused on optimising their ServiceNow platform. Successful candidates will produce dashboards, metrics, and insights related to CMDB, Change Management, service tiering, and ITSCM activity. Key Responsibilities Analyse ServiceNow and operational data to identify trends, gaps and risks. Support CMDB data validation, quality assessments and remediation. Produce dashboards and reports (e.g., Tableau, Power BI) for senior stakeholders. Validate integrations and datasets across ServiceNow, AWS, Workday, Salesforce and other platforms. Support testing and assurance of data accuracy following ServiceNow configuration changes. Work with offshore teams to manage data cleansing and enrichment tasks.Required Experience Strong analytical background with experience in ServiceNow reporting/CMDB data....
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 13, 2025  
C# Developer - Desktop Applications - Banking
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 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 Macros will...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 13, 2025  
IBM Integration Bus (IIB) Developer - Hybrid - Banking (RP/IIB)
IBM Integration Bus (IIB) Developer - Tier 1 Bank - 6 month contract - Hybrid IIB / IBM / ACE / MQ / MIDDLEWARE / BANKING Role - IBM Integration Bus (IIB) Developer Duration - 6 months Location - Remote / Canary Wharf, London - 3 days per week in the office in Canary Wharf, London. Rate - £415 per day (Inside IR35) Key Experience - The IBM Integration Bus (IIB) developer will be responsible for development of new (as well as maintenance of existing) message flows, DFDL message models and other interface processes, which form part of the Bank's application internal and external interfaces. Production support of existing interface processes, including troubleshooting and investigation of any issues relating to these processes. Obtaining a high-level of understanding of relevant Middleware applications. Obtaining a high-level of understanding of all projects being undertaken. Responsible for designing and developing message flows and message models as part of the Bank's...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 18, 2025  
Senior Automation Tester – Playwright - SC Cleared - Inside IR35
Senior Automation Test Engineer – Playwright - SC Cleared - Inside IR35 We’re seeking a Senior Automation Test Engineer to join a high-profile secure government programme, contributing to the delivery of complex digital platforms. This role requires a hands-on engineer with strong test automation experience and the confidence to act as a Lead when needed — providing quality assurance oversight, mentoring peers, and maintaining high testing standards across the team. You’ll work within an agile, multidisciplinary environment, helping design and implement robust automated testing frameworks that ensure reliability and performance at scale. Key Responsibilities Design, develop and maintain automated test frameworks using Playwright, TypeScript and Java. Execute end-to-end, integration, and regression testing across distributed systems. Collaborate with developers, QA and DevOps to drive continuous testing and improve release quality. Support integration testing with tools such as...
IR35 Status:
Inside IR35

CV-Library Croydon, UK Contractor
CL
Dec 16, 2025  
Remote Access Architect
Remote Access Architect / 3 month contract / Central London (Hybrid) / £550-£590pd (Inside IR35)   I am currently looking for a Remote Access Solutions Architect to join a household name on an initial 3 month contract. This has been determined inside IR35 and will be complete on a hybrid basis – requiring onsite working on average twice fortnightly in Central London.   We are targeting to get someone started this year, with interviews taking place this week.   Skills & Experience Needed: Strong Remote Access and Identity Access management experience Confident, clear and concise communication skills – experience dealing with multiple stakeholders Technical experience working with the likes of: Zscaler, Azure Virtual Desktop, CyberArk  If of interest, please apply to this advert with your latest CV and I will be in touch to discuss in more detail
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Dec 18, 2025  
Databricks Engineer (SC Cleared)
Databricks Engineer (SC Cleared) London (Hybrid) 6 Month Contract £(Apply online only)/day (Inside IR35) Databricks Engineer needed with active SC Security Clearance for 6 Month Contract based in Central London (Hybrid). Developing a cutting-edge Azure Databricks platform for economic data modelling, analysis, and forecasting. Start ASAP in Dec 2025. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: In-depth Data Engineering + strong hands-on Azure Databricks expertise. Azure Data Services, Azure Data Factory, Azure Blob Storage + Azure SQL Database. Designing, developing, building + optimising data pipelines, implementing data transformations, ensuring data quality and reliability. Deep Data Warehousing knowledge including data modelling techniques + data integration patterns. Experience of...
IR35 Status:
Inside IR35

CV-Library London EC4N 6JD, UK Contractor
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