335 jobs found in Hounslow

Data Analyst Outside IR35/Onsite - London This is a hands-on Data Analyst opportunity for someone who enjoys working with real-world operational data, getting to the heart of business challenges and using analysis to make a tangible difference. You'll work across the business to improve visibility of performance, utilisation, efficiency and compliance, delivering high-quality reporting and analysis that supports better decision-making. As a Data Analyst, you'll work with data from multiple sources, ensuring it is accurate, reliable and presented in a way that is meaningful to both technical and non-technical stakeholders. You'll have the opportunity to work with Power BI within the Microsoft Fabric environment , alongside T-SQL, Python and advanced Excel, while collaborating closely with senior analysts and teams across the business. Key Responsibilities Collect, clean and organise large datasets from multiple sources, maintaining a high level of data accuracy and...

Data Analyst Outside IR35 / Onsite - London This is a hands-on Data Analyst opportunity for someone who enjoys working with real-world operational data, getting to the heart of business challenges and using analysis to make a tangible difference. You'll work across the business to improve visibility of performance, utilisation, efficiency and compliance, delivering high-quality reporting and analysis that supports better decision-making. As a Data Analyst, you'll work with data from multiple sources, ensuring it is accurate, reliable and presented in a way that is meaningful to both technical and non-technical stakeholders. You'll have the opportunity to work with Power BI within the Microsoft Fabric environment , alongside T-SQL, Python and advanced Excel, while collaborating closely with senior analysts and teams across the business. Key Responsibilities Collect, clean and organise large datasets from multiple sources, maintaining a high level...

Spectrum IT are working with an enterprise digital platform to recruit a Contract Principal Software Architect to support their widely used, real-world consumer technology platform. This is an OUTSIDE IR35 role, for an initial 6 months contract and will be hybrid working: 2 days onsite in Uxbridge per week. This is a brownfield architecture environment. The successful architect will not be designing a new platform from scratch. Instead, they will be working within a live production estate, balancing existing technology, legacy decisions, technical debt, team structures and commercial priorities against the need to improve scalability, resilience, maintainability and customer experience. The role therefore requires a pragmatic, delivery-focused architect who can understand where the platform is today, identify the areas that genuinely need to change, and work with engineering teams to make those improvements incrementally. The Role You will play a key role in defining and...

Backend Developer (Azure) — 3 Month Remote Contract Outside IR35 Rate: £420–£475 per day We’re looking for an experienced Azure Backend Developer to join a digital healthcare platform team on an initial 3-month contract, outside IR35. This is a hands-on role working on a mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure API Management and Azure DevOps, contributing to a platform that supports connected patient services. This role is particularly suited to a developer who can hit the ground running, work independently and own technical delivery end-to-end without requiring day-to-day technical supervision. What You’ll Be Doing Develop and deliver backend services using C#, .NET 6+ and Azure Functions . Build and maintain data access, orchestration and...

Spectrum IT are working with an enterprise digital platform to recruit a Contract Principal Software Architect to support their widely used, real-world consumer technology platform. This is an O UTSIDE IR35 role, for an initial 6 months contract and will be hybrid working: 2 days onsite in Uxbridge per week. This is a brownfield architecture environment . The successful architect will not be designing a new platform from scratch. Instead, they will be working within a live production estate, balancing existing technology, legacy decisions, technical debt, team structures and commercial priorities against the need to improve scalability, resilience, maintainability and customer experience. The role therefore requires a pragmatic, delivery-focused architect who can understand where the platform is today, identify the areas that genuinely need to change, and work with engineering teams to make those improvements incrementally. The Role You will play a key role in...

Principal Network Security Consultant A Global Financial Services Organisation requires a Contract Principal Network Security Consultant with deep expertise across network security architecture, WAF, F5, firewalls, network segmentation, VPNs and Legacy on-prem infrastructure. IR35 Status: Outside Day Rate: £600-£650pd Travel: 2 days a week in Central London Office Duration: Initial 6 months Responsibilities: Lead the refresh of the organisation's network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking/CNI setting. Provide deep network security expertise across WAF, network segmentation, Firewall architecture and rule sets, VPN connectivity and Legacy network infrastructure, acting as a senior consultant rather than a hands-on engineer. Drive the ongoing uplift of the F5 environment, with strong experience across F5 technologies essential; exposure to Palo...

Data Architect - SC Cleared £650 p/d Outside IR35 Remote, occasional London travel October Start - 6 months, extension expected We are recruiting a Data Architect to support a major data modernisation programme within a complex central government environment. The role will focus on data retention and deletion, helping establish the governance, architecture and controls required as the organisation transitions its data estate to a modern cloud-based platform. This position combines data architecture and management expertise with extensive stakeholder engagement across technical, operational, policy and compliance teams. Role responsibilities Define and maintain data architecture principles, standards and guardrails covering data retention, deletion and life cycle management. Support the development and implementation of global and local data-retention approaches across multiple products and data domains. Contribute to the Alpha phase of a data estate modernisation...

Data Architect - SC Cleared £650 p/d Outside IR35 Remote, occasional London travel October Start - 6 months, extension expected We are recruiting a Data Architect to support a major data modernisation programme within a complex central government environment. The role will focus on data retention and deletion, helping establish the governance, architecture and controls required as the organisation transitions its data estate to a modern cloud-based platform. This position combines data architecture and management expertise with extensive stakeholder engagement across technical, operational, policy and compliance teams. Role responsibilities Define and maintain data architecture principles, standards and guardrails covering data retention, deletion and lifecycle management. Support the development and implementation of global and local data-retention approaches across multiple products and data domains. Contribute to the alpha phase...

Salary: £300 - 450 per day Reference: COR7651/AP148 UX Designer, Figma, Content-Heavy Platforms, to £420 per day outside IR35 A UX Designer opportunity has arisen with an established UK-based medical publishing business, working on a significant platform rebuild project across a suite of specialist digital products. Could this be the contract role where your UX expertise genuinely shapes how clinical professionals access and engage with education content? The Role The UX Designer will take ownership of translating a detailed internal requirements brief into a structured, evidence-led digital experience, determining what should be prioritised for launch, what follows in later phases, and what should be deprioritised altogether. You will plan user flows and site maps, conduct and synthesise user research, and produce wireframes and prototypes to developer-handover standard in Figma. The UX Designer will work collaboratively alongside an in-house...

Azure Software Engineer Azure Software Engineer 7-month Contract, full-time (until March 2027) £609 per day, Outside IR35 Epsom, Surrey Hybrid working (3 days on site) TLP have been working with Toyota (GB) PLC for over 25 years and are a trusted partner. This role will be employed by TLP (secondment to Toyota (GB) PLC). We are looking for an experienced Azure Software Engineer to join the New Vehicle Sales team, supporting the delivery, development and maintenance of applications as part of a major AS400 modernisation programme. This is an exciting opportunity for an experienced Software Engineer with strong Azure experience to work across a modern technology stack, developing and integrating systems covering retail and fleet vehicle ordering, vehicle registration, vehicle pricing, order stock allocation, finance and invoicing, as well as other applications required across the modernisation programme. The role will involve working closely with Product...

Azure Software Engineer Azure Software Engineer 7-month Contract, full-time (until March 2027) £609 per day, Outside IR35 Epsom, Surrey Hybrid working (3 days on site)   TLP have been working with Toyota (GB) PLC for over 25 years and are a trusted partner. This role will be employed by TLP (secondment to Toyota (GB) PLC). We are looking for an experienced Azure Software Engineer to join the New Vehicle Sales team, supporting the delivery, development and maintenance of applications as part of a major AS400 modernisation programme. This is an exciting opportunity for an experienced Software Engineer with strong Azure experience to work across a modern technology stack, developing and integrating systems covering retail and fleet vehicle ordering, vehicle registration, vehicle pricing, order stock allocation, finance and invoicing, as well as other applications required across the modernisation programme. The role will involve working closely with Product Owners,...

Leading Hospitality client now requires an experienced Contract Project Manager to lead complex divestment/separation projects across finance and systems.   This is a high-visibility role reporting into senior leadership, requiring someone who can bring structure and pace to a fast-moving, multi-workstream separation while managing risk, stakeholders, and third parties throughout.   Key Responsibilities Own end-to-end delivery of the divestment programme, from planning through to Day 1 readiness and post-separation stabilisation. Lead business separation workstreams alongside Finance/systems separation (ERP, POS, HR, finance systems, data migration, TSAs). Define and manage the programme plan, budget, RAID log, and governance framework. Coordinate cross-functional teams, external advisors, and technology partners. Manage Transitional Service Agreements (TSAs) and dependencies. Report progress and risks to steering committees and...

C++ Software Engineer - Outside IR35 Contract London, UK Long-Term Engagement on a Rolling Contract Hybrid Working We have partnered with a leading Technology Firm who are looking to add a Software Engineer with skills on C++ to their Market Data team! The succesful candidate will have experience in Financial Markets Technology and realtime market data expertise. It's a Front Office position so you must be comfortable speaking with Portfolio Managers, Traders, C-Suite etc... Responsibilities will include : Architecture and Implementation of Low Latency C++ systems (robust, resilient, accurate, stable and fast) - by doing this you will position the client as a leader in Quant Trading. Work alongside hardware and software teams to build realtime market data processing. Define, implement and enforce SLAs, policies and metrics to monitor the area. Develop Systems, Interfaces and tools to historical market data simulations to increase research productivity....

Senior Data Engineer - Contract - Python/ Azure/ airflow/ TypeScript/ APIs Outside IR35 | £600–£800/day | 6 months initially | August/September start Senior contract Data Engineers for an initial 6-month contract, helping scale the data layer behind a global investment platform. The project is about turning that fragmented data into a clean, scalable and reliable data layer. Data engineer deliverables: Build and evolve data ingestion pipelines from multiple external data sources Design scalable data models across complex investment data Build APIs and product-facing data services Solve reconciliation and data-quality problems at scale Develop lakehouse and streaming capabilities Improve reliability, observability and performance Develop AI-driven approaches to ingestion, processing and reconciliation Technology environment: Core: TypeScript, Python, SQL, Azure Data engineering: Azure Data Lake, Airflow, Delta, lakehouse architecture,...

Contract - £650 / Day - Outside IR35 - 12 months TL;DR Role: Data Governance & Master Data Lead — standing up an enterprise data governance function from scratch Where you'll work: Embedded on-site with a global renewable energy developer and operator Location: London — on-site, five days a week Type: Permanent, full-time Domain: Utilities, energy or another asset-heavy industry — essential, not a nice-to-have Platforms: SAP MDG, Informatica MDM, Collibra or Microsoft Purview; SAP S/4HANA environment Line Management: Lead a Master Data team of internal staff, outsourced specialists and consultants Visa Sponsorship: Not available — you must already have the right to work in the UK Flexibility: This one is genuinely full-time and on-site. If that does not work for you, we have other roles that will Diversity & Inclusion: We want a broad mix of people and perspectives Who We Are Hypercube is a data-and-AI specialist focused on...

Forward Deployed AI Engineer London, 2 Days On Site Part time - 3 days Per Week 12 Months Long Outside IR35 £450 - £550 Per Day The Company They are a specialist investment-focused organisation with a portfolio of businesses across multiple sectors. They are actively exploring how AI can enhance operations, improve workflows, and unlock efficiencies across their portfolio. With a collaborative and entrepreneurial culture, they are looking for an experienced contractor who can influence strategy while remaining hands-on with delivery. The Role and Deliverables Assess existing business processes and identify opportunities for AI-driven automation and optimisation. Design and build AI solutions using technologies such as LLMs, agents and retrieval-augmented generation (RAG). Create practical roadmaps for AI adoption, including prioritised implementation plans. Engage with business stakeholders to communicate opportunities,...

Technical Infrastructure Architect - £700 - £750 Per Day - VMware to Hyper V Migration - Financial Services Overview: A global organisation is looking to engage an experienced Virtualization Architect to support a major VMware to Microsoft Hyper-V migration programme. The successful candidate will have proven experience architecting and delivering VMware-to-Hyper-V migrations and will work closely with the internal infrastructure team to assess the existing VMware estate, define the target Hyper-V architecture and develop a pragmatic migration strategy. Role & Responsibilities: Assess the existing VMware estate and infrastructure architecture Design the target Microsoft Hyper-V architecture Develop the VMware-to-Hyper-V migration strategy and roadmap Review existing compute, storage and networking infrastructure Assess and recommend appropriate migration tooling and methodologies Work with the internal infrastructure team to define migration waves and...

Job Title: Network & Security Consultant Day Rate: £400-450 per day - Outside IR35/Limited Company Duration: 6 months initially Location: Central London - Fully onsite Start Date: ASAP Role We are assisting a client who require an experienced Cisco Network & Security Consultant to support a network and security infrastructure refresh, covering the deployment of Cisco Secure Firewall technology alongside a Cisco switching migration. This role requires strong technical capability across both network security and enterprise networking, with particular emphasis on Cisco Secure Firewall and advanced BGP. Key Responsibilities Design and deployment of a new Cisco Secure Firewall Management Center (FMC) High Availability pair Deployment and configuration of HA pair Cisco Secure Firewalls Migration of existing Legacy Firewall configurations to the new environment Review and optimisation of migrated configurations in line with current Cisco and...

Job Title: Project Manager - Network & Security Day Rate: £450 per day - Outside IR35/Limited Company Duration: 6 months initially Location: Central London, near Bank Station - Fully onsite Start Date: ASAP Overview We are assisting a client in their requirement for an experienced Project Manager to lead the delivery of a Cisco network and security transformation programme. As Project Manager, you will take ownership of the end-to-end delivery, coordinating technical resources, stakeholders, third parties and business teams to ensure the migration is delivered successfully with minimal disruption to production services. Key Responsibilities Own and manage the project from initiation through design, build, migration, testing, cutover and handover into BAU. Develop and maintain the overall project plan, milestones, dependencies, RAID log and delivery schedule. Coordinate the deployment of the new Cisco Secure Firewall infrastructure, including FMC HA and...

IT Programme Manager London 3 Months Up to £750 per day (Outside IR35) A well-established and highly profitable engineering business is seeking an experienced IT Programme Manager to support a portfolio of strategic technology initiatives on an initial 3-month contract. This is a high-profile opportunity to lead multiple business-critical programmes within an organisation undergoing significant digital transformation and an ambitious acquisition strategy. You'll play a key role in delivering complex technology change across IT, infrastructure, cloud, cyber security and enterprise applications, ensuring programmes remain on track and aligned with wider business objectives. Working closely with the Head of IT PMO, Executive Leadership, IT teams and third-party delivery partners, you'll provide hands-on programme leadership across multiple concurrent workstreams. Responsibilities Lead multiple complex IT and business transformation programmes across Digital...