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Contractor 73
Inside IR35 London Borough Of Hounslow

73 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 19, 2025  
Interim Maintenance Surveyor
Exciting opportunity for 2x interim maintenance surveyors to join a leading London based housing association to carry out inspections to properties across the London boroughs. The ideal candidate will bring strong technical expertise in responsive repairs, voids management, and damp & mould investigations, and be confident managing contractors to achieve excellent outcomes for residents. Key Responsibilities * Inspect and diagnose property defects, with a particular focus on damp and mould cases. * Prepare detailed specifications, manage contractors and oversee works from instruction to completion. * Manage responsive repairs and void property works, ensuring timely and cost-effective delivery. * Undertake quality audits and technical inspections to ensure contractor performance and compliance. * Support the Technical Manager and Senior Technical Surveyor with escalated repairs and service queries. * Maintain accurate property and works data within asset management...
IR35 Status:
Inside IR35

CV-Library NW9, The Hyde, Greater London Contractor
CL
Dec 21, 2025  
Senior Systems Engineer
Senior Systems Engineer – London (Hybrid) In-Vitro diagnostics · Complex systems · High-growth environment 6-12 month contract, highly competitive rate, inside IR35. Are you a Systems Engineer with deep experience in IVD or medical device development, looking to play a key role in bringing a revolutionary new diagnostic platform to market? This is an opportunity to join a fast-growing, multidisciplinary team working at the forefront of molecular diagnostics, where you’ll shape system architecture, lead technical problem-solving, and influence the direction of an entire platform. The Opportunity As a Senior Systems Engineer, you’ll work across engineering, science, software, and quality teams to define system requirements, develop system architecture, and ensure robust traceability across the full product lifecycle. You’ll also guide and mentor colleagues as the team advances a complex electro-mechanical instrument and consumable system through development. You’ll be hands-on with...
IR35 Status:
Inside IR35

CV-Library NW1, Baker Street, 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  
Quality Operations Specialist
Are you an experienced Clinical Operations professional? Do you have experience writing SOP's in a clinical / quality related environment? If so, this could be the perfect opportunity for you! We are recruiting for a Quality Operations Specialist to join a leading multinational biopharmaceutical client based in Berkshire. The successful candidate will support the Head of Process Quality Excellence in developing and maintaining its clinical quality systems/procedures and ensuring quality and compliance risks are appropriately identified and mitigated. Candidates will need experience and focus on GCP regulations and guidance. This is a contract position, inside IR35, offered initially for 12 months on a hybrid basis. Minimum 2 days a week on site preferably Tues & Thurs but this can be flexible if needed. Responsibilities: Support the Head with quality and compliance infrastructure development, assist with creation/revision of appropriate quality and compliance policies,...
IR35 Status:
Inside IR35

CV-Library Slough, Berkshire 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 21, 2025  
Digital Marketing Manager - German Speaker
Digital Marketing Manager - DACH - Native German Speaker Location: Remote (UK or Germany) Type of role- 12 Months contract with potential extension Payrate - £267 - £350 per day Inside IR35 About the Role We are partnering with a high-growth, enterprise B2B SaaS organisation that is expanding its digital demand generation capability across the DACH region. They are looking for an experienced Digital Marketing Manager who is passionate about data, growth, and revenue-driven marketing. This is an opportunity to take full ownership of paid channels, run experiments at scale, and shape pipeline generation for one of the most innovative SaaS businesses in the market. What You'll Do Lead strategy and execution for all paid channels (LinkedIn Ads, Google PPC, Display, Retargeting) Build & optimise full-funnel acquisition → retention journeys Analyse and optimise paid landing pages; execute CRO strategies Run experiments, validate hypotheses, and improve channel performance...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 21, 2025  
Business Analyst - Risk Data & Regulatory Programmes
Business Analyst - 6 Months - Inside IR35 - BCBS239 - London My client, a leading investment bank, is looking for an experienced Business Analyst to join their EMEA Operations Data Management team. This role is pivotal in supporting a major global compliance programme focused on risk data aggregation and reporting standards (BCBS239). Key Responsibilities Lead workshops and meetings to gather and document business requirements. Define scope, objectives, and success criteria for initiatives. Manage solution plans, prioritisation, and progress tracking. Produce clear, version-controlled documentation and governance papers. Collaborate with data teams, engineers, and product managers. Ensure compliance with regulatory and bank requirements. Essential Skills Strong experience in financial services. Expertise in data management, governance, analytics, and quality. End-to-end business analysis experience. Excellent documentation and communication skills. Advanced stakeholder...
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 20, 2025  
Site Reliability Engineer (Azure & AWS)
Contract Role: SRE Engineer (AWS & Azure) Location: UK IR35: INSIDE Day Rate: £(Apply online only) Contract Length: 12 Months We're looking for a skilled SRE (site reliability engineer) to lead the migration of an on-prem HPC solution to the cloud. You'll design and maintain scalable, reliable infrastructure across Azure and AWS, using automation and software engineering best practices. Key Responsibilities Build and manage cloud environments for the UK business, based on existing US solutions. Automate operational tasks and improve efficiency. Collaborate with dev and ops teams for smooth deployments. Monitor performance, optimize costs, and implement governance. Document solutions and train internal teams. Requirements Expertise in Azure & AWS, including AKS/EKS. Experience with Terraform, CI/CD, Docker/Kubernetes, and monitoring tools. Strong understanding of cloud-native architectures and infrastructure management.Please click to find out more about our Key...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 20, 2025  
Test Lead - Capital Markets, ADO
Test Lead - Capital Markets, ADO Up to £440 per day - Inside IR35 London / Hybrid - 3 days a week on site 6 months My client is an instantly recognisable consultancy who urgently require a Test Lead with Capital Markets domain experience to join a business-critical programme. Key Requirements: Proven commercial experience working as a Test Lead in capital markets and middle/back-office operations, including trade lifecycle, settlements, and FO & BO position/cash reconciliation. Solid knowledge of multiple asset classes (equities, bonds, ETDs, ETFs, swaps) to define effective testing strategies and approaches. Ability to lead test data collection and implement comprehensive strategies for functional, regression, and integration testing. Skilled in developing detailed test cases aligned with business requirements and functional specifications for full scenario coverage. Expertise in defect management lifecycle, including identification, tracking, resolution, and stakeholder...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 20, 2025  
Network Engineer with SC clearance
Job Opportunity: Senior Network Engineer (Inside IR35) - DC LAN Refresh Project! Are you an expert Network Engineer looking for a high-impact contract with a leading global IT company? This is a Virtual first role supporting a critical DC LAN refresh project for a secure end customer! The Role at a Glance Job Title: Senior Network Engineer Contract Duration: 4 months (Assisting with peak load requirements ) Location: Remote IR35 Status: Inside IR35 (Off-Payroll Working Rules Apply) Clearance: Mandatory SC Clearance Start Date: 01/12/2025 What You'll Be Doing You will be the key engineering resource focusing on implementation and project delivery for Network services. This involves switching, routing, and Firewalls in a complex, multi-vendor Data Centre environment. Lead Network Engineering project delivery (Switching, Routing, Firewalls). Perform network configurations, installations, and maintenance on routers, switches, and firewalls. Troubleshoot and resolve complex...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 19, 2025  
Active Directory Security Consultant – SC Cleared
Active Directory Security Consultant – SC Cleared - Inside IR35 We are seeking an experienced Active Directory Security Consultant to lead a comprehensive security assessment across on-premises AD and Azure identity environments. This role combines deep technical expertise with advisory capability, helping uplift identity and access security posture in line with Microsoft and NCSC best practice. Key Responsibilities Conduct end-to-end Active Directory security assessments, including domain controllers, trusts, privileged behaviours, deprecated accounts, and protocol risks. Lead KRBTGT account analysis and safe password rotation planning. Review Privileged Access structures, group memberships and delegated admin models. Analyse Kerberos authentication hygiene, ticket anomalies and mitigation options. Assess Azure AD / Entra ID and hybrid identity configurations, ensuring alignment to zero-trust principles. Evaluate service accounts, Tier-0 assets, GPOs, and administrative...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Dec 19, 2025  
Repairs Inspector
Repairs Inspector – London – Leading Housing Provider £170 PAYE / £220 Umbrella LTD (Inside IR35) 35 hours per week (9am–5pm) Ongoing Contract We’re currently recruiting for a Repairs Inspectors to join a major housing provider. This is an urgent requirement with immediate starts available. Inspectors will work on a regional patch, attending site inspections daily and being based from the office on designated days (to be confirmed depending on workload). There is potential for 1 day working from home, and you will go straight home after inspections. You’ll play a crucial role in ensuring the organisation delivers a high-quality, customer-focused repairs service. This means ensuring residents only need to ask once, that repairs are completed to the right standard, and that any service failures are resolved quickly and effectively. Responsibilities Ensure contractors and suppliers consistently deliver a high-quality repairs service in line with customer priorities. Act as a...
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  
Databricks Data Engineer
Data Engineer - Active SC, Databricks, PySpark Up to £475 per day (Inside IR35) Remote / London 6 months My client is an International Consultancy who are recruiting for an Data Engineer with Active Security Clearance (SC) and strong Databricks and Azure experience to deliver and optimise Data engineering solutions. Key requirements: Proven experience as a Data Engineer with Active Security Clearance (SC) Strong experience with Databricks, PySpark and Delta Lake Expertise in Jobs & Workflows, cluster tuning, and performance optimisation Solid understanding of Data governance (Unity Catalog, Lineage, Access Policies) Hands-on with Azure services: Data Lake Storage (Gen2), Key Vault, Azure Functions Familiarity with CI/CD for Databricks deployments Strong troubleshooting in distributed Data environments Excellent communication and collaboration skills Nice to have: Immediate availability Experience with enterprise-scale Databricks environments Knowledge of Azure Synapse,...
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 19, 2025  
Workforce Planning Manager
Certain Advantage are recruiting on behalf of our Financial Services client for two Workforce Planning Managers for initially 6 months on a contract basis (Inside IR35). Key Responsibilities: Resourcing and workforce planning, supporting either a complex transformation programme or an HR/People function on strategic workforce planning. Build trusted relationships with Managers, Leads, SLT. Manage competing priorities with strong organisational skills. Develop and maintain SharePoint lists and Power Automate workflows. Create and maintain Visio organisation charts. Present data clearly to non-analysts Advise and influence stakeholders using data insightsKey skills Advanced Excel and Power BI Power Automate and SharePoint workflows. Strong stakeholder engagement and relationship building. Ability to interpret workforce, capacity, and financial data.  These contracts are Inside IR35 requiring 2 days in either London (near Southwark Bridge), Lytham St Annes, Glasgow or Durham.   Does...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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