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Contractor 33
Information Technology Inside IR35 London Borough Of Hounslow

33 jobs found in Hounslow

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 21, 2025  
Technical Project Manager
Technical Project Manager – London (Hybrid) Complex diagnostics · Multidisciplinary leadership · High-impact role 6-12 month contract - Competitive rate of pay - Inside IR35 Are you an experienced Technical Project Manager who thrives at the intersection of engineering, science, and programme delivery? This is a chance to lead the development of cutting-edge diagnostic instrumentation and consumables, working with cross-functional teams across the UK and US to deliver a next-generation molecular diagnostics platform. The Opportunity In this role, you’ll support and coordinate multi-disciplinary engineering and scientific teams as they design and develop complex medical devices, combining hardware, microfluidics, software, and assay development. You’ll work closely with senior leadership to maintain alignment with business goals, oversee compliance with contractual deliverables (including US government requirements), and ensure projects remain on time, on budget, and within scope....
IR35 Status:
Inside IR35

CV-Library NW1, Baker Street, 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 21, 2025  
DevOps Engineer
Location: London  Rate: £500–£550 per day (Inside IR35) Sector: IT Contract Length: 12 months  Overview Our client, a well-established software development company, is seeking an experienced Azure DevOps Engineer to join their team on a 12-month contract. This is a hybrid role, primarily remote, with occasional onsite collaboration in Canary Wharf, London. The successful candidate will play a key role in building and maintaining cloud infrastructure, ensuring platform security, and supporting governance processes within a dynamic and fast-paced environment. Key Responsibilities Design, build, and maintain scalable cloud platforms in Microsoft Azure Manage, configure, and optimize Linux-based virtual machines (VMs) Develop and maintain Infrastructure as Code (IaC) using Terraform and Bicep Embed robust security practices into all aspects of the platform Produce clear and comprehensive technical documentation to support ongoing operations Collaborate with stakeholders to ensure...
IR35 Status:
Inside IR35

CV-Library London, UK 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 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
CL
Dec 21, 2025  
Full Stack Developer
Full Stack Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes Continuous. deployment, supported by automated testing and monitoring. Software written using Test Driven Development practices, with developers writing their automated tests before creating the code. Open working, with transparent codebases, documentation, design histories and roadmaps. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Dec 20, 2025  
Microsoft Defender Engineer
IT Engineer - Microsoft Defender Security Operations 3 months London - onsite Inside IR35 - Umbrella only Role Overview We are seeking an accomplished IT Engineer with specialist expertise in the Microsoft Defender security ecosystem. The successful candidate will strengthen cyber defence across endpoints, identities, cloud services, and hybrid infrastructure. Key Responsibilities Security operations and threat defence Manage and optimise Microsoft Defender across Endpoint, Identity, Cloud Apps, Office 365, and Cloud Security Posture Management. Monitor alerts and conduct threat investigations. Support incident response with containment and remediation. Conduct proactive threat hunting.Platform administration and governance Configure policy baselines and protection profiles. Maintain governance and compliance alignment. Lead version management and capability tuning. Maintain documentation for configurations and processes.Stakeholder engagement and improvement...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Dec 19, 2025  
PostgreSQL DBA Database Administrator
PostgreSQL DBA Location: London (Vauxhall) or North Bristol Onsite Days: 2 to 3 days a week onsite initially Rate: £620 to £728 per day based on an 8 hour day (Umbrella, inside IR35) Security clearance: Must hold live and transferrable SC and be eligible for enhanced SC Start date subject to transfer of SC with enhanced SC in progress Are you driven to work with cutting-edge technology and motivated to solve complex, meaningful challenges? This is an exciting opportunity to join a specialist team supporting UK National Security customers. Your work will help deliver secure, resilient systems that directly contribute to protecting the nation. About the Opportunity Are you driven to work with cutting-edge technology and motivated to solve complex, meaningful challenges? This is an exciting opportunity to join a specialist team supporting UK National Security customers. Your work will help deliver secure, resilient systems that directly contribute to protecting the nation....
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Dec 19, 2025  
Senior Developer
Senior Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience: Experienced in TDD and working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes Continuous. deployment, supported by automated testing and monitoring. Software written using Test Driven Development practices, with developers writing their automated tests before creating the code. Open working, with transparent codebases, documentation, design histories and roadmaps. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance....
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
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