Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 35 Inside IR35 33 Outside IR35 11
Refine by Categories
Education 942 Construction 855 Engineering 270 Transportation 116 Other 110 Distribution-Shipping 99
Supply Chain 99 Warehouse 99 Admin-Clerical 81 Manufacturing 68 Management 66 Accounting 50 Finance 40 Facilities 37 Government 37 Health Care 36 Insurance 36 Marketing 35
More
Refine by Job Type
Contractor 79
Information Technology Leighton Buzzard

79 jobs found in Leighton Buzzard

CL
Aug 05, 2026  
2nd Line Support Engineer
5x days a week on site in Milton Keynes Inside IR35 2 Month Contract ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a 2nd Line Support Engineer on a contract basis. Key Responsibilities: Provide onsite Level 2 IT support across a mixed Microsoft Windows and Apple Mac environment, resolving a broad range of hardware, software and end-user issues. Support and maintain Microsoft 365 services, Windows devices, Mac devices and on-premises server infrastructure, ensuring reliable day-to-day IT operations. Act as the primary onsite escalation point, troubleshooting complex technical issues and coordinating with third-party providers for specialist support when required. Work collaboratively with the IT Manager and internal IT team to ensure efficient incident resolution, service continuity and a high standard of customer support. Assist with infrastructure monitoring, system administration and...
IR35 Status:
Inside IR35

CV-Library Bedfordshire, UK Contractor
CL
Aug 08, 2026  
Data Engineer
Data Engineer (Security Cleared-Outside IR35) Hertfordshire | Hybrid (1 day on site per week) | Contract We're looking for an experienced Data Engineer to join a high-profile digital transformation programme delivering modern cloud-based data solutions for the UK public sector. Working within a talented technical team, you'll design and build scalable data pipelines, support complex data migration activities and help deliver secure, high-quality data solutions using modern AWS technologies. You must have active SC clearance for this role. Key responsibilities Design, develop and maintain data pipelines and ETL processes Build scalable data migration and transformation solutions Ensure data quality, validation and integrity throughout the migration process Work with cloud technologies to deliver secure, reliable data solutions Collaborate with architects, developers and stakeholders to deliver successful project outcomes Support testing, deployment and ongoing optimisation...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Aug 06, 2026  
Project Manager PMO
Project Manager - Near Patient Care Implementations (12-Month Fixed-Term Contract) Location: Field-based across the UK and Northern Ireland About Roche Diagnostics At Roche Diagnostics, we are committed to transforming patient care through innovative diagnostic solutions. We are seeking an experienced Project Manager to lead large-scale Near Patient Care (NPC) implementation programmes across the UK and Northern Ireland. This role will play a key part in delivering one of the largest Point of Care implementation programmes in the UK and Ireland, supporting the rollout of connected glucose and ketone testing solutions and associated digital technologies across multiple Healthcare Service organisations, including the large-scale implementation programme within Northern Ireland in the primary and secondary care glucose market. About the Role As Project Manager, you will take responsibility for the planning, governance and successful delivery of complex implementation projects,...
IR35 Status:
Unknown Status

CV-Library Welwyn, Hertfordshire Contractor
CL
Aug 09, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Aug 07, 2026  
Senior UX Designer
Job Title: Senior UX Designer (Fixed Term Contract) Location: Hybrid (1 day in Welwyn Garden City and 2 days in Farringdon, London) Contract Length: 6 Months Daily Rate: £450 - £600 Working Pattern: Full Time Are you ready to step into an exciting opportunity as a Senior UX Designer? Join our client, a leading player in the retail industry, where you will be at the forefront of crafting user experiences that transform how colleagues and suppliers engage with digital platforms. Your expertise will help shape intuitive, accessible designs that make a real impact! What You'll Do: As a Senior UX Designer, you'll take charge of redefining complex experiences into simple, user-friendly solutions. Your responsibilities will include: Leading the end-to-end design process: discovery, user journey mapping, sketching, wireframing, prototyping, and usability testing. Advocating for human-centred design across teams and the broader organisation. Collaborating within agile squads to enhance...
IR35 Status:
Unknown Status

CV-Library Welwyn Garden City, Hertfordshire Contractor
CL
Aug 05, 2026  
SAP Systems Analyst
Job Title: SAP Systems Analyst (S/4 HANA) Salary: £48,000 - £52,000 Benefits: Excellent benefits package, hybrid working, ongoing professional development Duration 18 month contract Location: Hatfield Hours: Monday-Friday What you want to know about this employer • Join a globally market leader, recognised engineering and technology organisation with a reputation for innovation, quality and investing in its people. • Be part of a collaborative IT team where you'll work on business-critical SAP projects, influence system improvements and support the rollout of new technologies across the UK and Ireland. Purpose of the role We're looking for an experienced SAP Systems Analyst to take ownership of SAP S/4 HANA Sales & Distribution applications, supporting both day-to-day operations and exciting business transformation projects. Working closely with business stakeholders, IT teams and third-party partners, you'll analyse business requirements, deliver SAP solutions,...
IR35 Status:
Unknown Status

CV-Library Hatfield, UK Contractor
CL
Aug 07, 2026  
Site Manager
Are you ready to take on a challenging role in a dynamic environment? A leading company in the Facilities Management sector is seeking a Site Manager in Greater London. This role offers the chance to oversee a high-stakes data centre project, ensuring safety and quality throughout the process. The Role As the Site Manager, you’ll: • Manage day-to-day M&E site operations on a live data centre project. • Coordinate and supervise mechanical and electrical subcontractors. • Ensure all works are delivered in accordance with programme, specifications and quality standards. • Monitor health & safety compliance, carrying out site inspections and ensuring RAMS are followed. • Chair site meetings and provide progress updates to the Project Manager. You To be successful in the role of Site Manager, you’ll bring: • Proven experience as an M&E Site Manager. • Previous experience delivering data centre projects is essential. • Strong understanding of mechanical and...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Jul 22, 2026  
Senior Machine Learning Scientist
The role will support the development of a privacy-preserving generative AI ecosystem designed to protect personal and sensitive corporate data by design, including data residency, anonymisation and secure deployment protocols and principles, as well as model-based data protection achieved during both training and inference time. Working within a multidisciplinary and multi-partner environment, the postholder will research technical concepts core to the program and contribute towards developing them into dependable systems and components that can be used in live settings, while also supporting the broader technical development of the Lab and its collaboration with CODAS and other project partners. Additionally, the postholder will create publishable material based on the work carried out in the program, and attend events such as conferences and workshops to disseminate the progress made. Responsibilities: * Lead or substantially contribute to technical research workstreams...
IR35 Status:
Unknown Status

CV-Library OX2, Oxford, Oxfordshire Contractor
CL
Aug 05, 2026  
Senior Machine Learning Engineer
We’re Aioi R&D Lab – an AI tech hub in one of the fastest-growing insurance companies. We research and develop AI systems that catapult insurance from a slow-moving, traditional past into a data-driven, technology-lead and society-defining future. We’re looking for dynamic, driven professionals like you to help evolve our business in new directions. You’ll need first-class credentials and a proactive attitude to help us drive the change that underpins our mission. As a Senior Machine Learning Engineer, you will support the development of a privacy-preserving generative AI ecosystem designed to protect personal and sensitive corporate data by design, including data residency, anonymisation and secure deployment principles. Working within a multidisciplinary and multi-partner environment, the postholder will help translate research and technical concepts into dependable systems and components that can be used in live settings, while also supporting the broader technical...
IR35 Status:
Unknown Status

CV-Library OX2, North Hinksey, Oxfordshire Contractor
CL
Aug 02, 2026  
D365 F&O Functional Solution Architect
D365 F&O Functional Solution Architect Location: Windsor (Hybrid – 1 day per week onsite) Contract: 6 months Day Rate: £465 per day (Inside IR35) We are supporting a large-scale ERP transformation programme for a leading UK organisation and are looking for an experienced D365 F&O Functional Solution Architect to play a critical role in the design and delivery of Microsoft Dynamics 365 Finance & Operations solutions. This is an excellent opportunity to lead solution design across a major enterprise transformation programme, working with senior stakeholders, architects and delivery teams to implement scalable, business-focused solutions. Responsibilities * Lead the end-to-end functional solution design for Microsoft Dynamics 365 Finance & Operations. * Facilitate discovery, scoping and solution design workshops with business stakeholders. * Translate business requirements into fit-for-purpose D365 F&O solutions, promoting standard functionality...
IR35 Status:
Inside IR35

CV-Library SL4, Eton Wick, Royal Borough of Windsor and Maidenhead Contractor
CL
Aug 07, 2026  
E-Commerce Project Manager
E-Commerce Project Manager Contract Role - Hybrid Working - Inside IR35 - Banbury WordPress | BigCommerce | Payments Integration We're supporting a growing organisation on the search for an experienced E-Commerce Project Manager to lead the delivery of key digital commerce initiatives across their online platform. This is an excellent opportunity for a Project Manager with a strong background in website, e-commerce and digital transformation projects, capable of coordinating technical teams, business stakeholders and third-party partners to deliver a high-profile e-commerce roadmap. The Role You will be responsible for managing the delivery of enhancements and projects across a WordPress CMS environment, operating on the BigCommerce platform, with a particular focus on integrations, customer experience improvements and online trading capability. Working closely with internal teams and external suppliers, you will ensure projects are delivered efficiently whilst balancing...
IR35 Status:
Inside IR35

CV-Library Banbury, UK Contractor
CL
Aug 02, 2026  
SailPoint Architect
SailPoint Architect - 6 months - Inside IR35 - Hybrid in West London Role Overview We're looking for a SailPoint Architect to lead the design and delivery of enterprise identity governance solutions within a complex, large-scale environment. You'll own the technical architecture of the SailPoint platform, defining the roadmap, integration patterns and governance model, while providing hands-on technical leadership to engineering teams. Key Responsibilities * Own the end to end architecture of the SailPoint platform (IdentityIQ and/or Identity Security Cloud/IdentityNow) across the enterprise * Define technical designs, integration patterns and architectural standards for identity governance * Lead the design of identity lifecycle processes, including joiner/mover/leaver automation, provisioning and deprovisioning * Architect connector integrations with enterprise applications, directories (AD, LDAP, Entra ID), HR systems (Workday, SAP SuccessFactors) and cloud...
IR35 Status:
Inside IR35

CV-Library Hounslow, Greater London Contractor
CL
Aug 07, 2026  
Water Quality Manager / Water Quality Project Manager WCR 4 BASE
Water Quality Manager / Water Quality Project Manager 📍 Hybrid/Agile Working 📅 6-Month Contract 💷 Competitive Day Rate Aatom Recruitment is currently recruiting for an experienced Water Quality Manager / Water Quality Project Manager to join City Council on a 6-month contract. This is an excellent opportunity for a highly skilled compliance and project management professional to lead water safety, water hygiene, and Legionella compliance programmes across a large and diverse residential property portfolio. About the Role As the Council's lead specialist for water quality and Legionella management, you will take responsibility for ensuring the highest standards of water safety, regulatory compliance, and resident protection across housing assets. This is a senior-level position combining strategic leadership, compliance management, stakeholder engagement, and the delivery of major water infrastructure improvement projects. Key Responsibilities Water Safety & Compliance...
IR35 Status:
Unknown Status

CV-Library W2, Sheldon Square, Greater London Contractor
CL
Aug 04, 2026  
Data Science Engineer
Job title Data Science Engineer Job Type Contract (6 Months) Client / Industry Software Location Reading (Hybrid/ Remote) Key roles and responsibilities Design and deliver a sophisticated EDU rSAM (remaining sales addressable market) model to quantify untapped revenue opportunities across global education markets. Partner cross-functionally with key stakeholders to deeply understand the complexities of the education sector, including diverse subscription models, institutional procurement structures, and consortium-based purchasing dynamics. Collaborate with Data Engineering teams to integrate and operationalise third-party datasets e.g. student population and institutional metrics to create rich, actionable customer intelligence profiles. Work closely with the Product Marketing and Sales Strategy teams to align analytical outputs with go-to-market strategies, pricing frameworks, and commercial objectives at the product-offering level. Design, build, and productionise...
IR35 Status:
Unknown Status

CV-Library Reading, Berkshire Contractor
CL
Aug 09, 2026  
Senior JVM Software Engineer
Senior JVM Software Engineer (Scala/Java) 6-12-month contract - Inside IR35 - up to £600 per day London based - hybrid working - 2-3 days onsite Finance sector - must have previous experience Overview Our client is seeking a Senior Software Engineer to join a team building a distributed calculation engine used to calculate financial indices and quantitative models. This is a business-critical platform operating within a high-performance financial services environment. This is primarily a backend engineering role, focused on designing and building new functionality rather than support or maintenance. Skills & Experience Strong senior-level software engineering background Significant commercial experience with JVM technologies (Scala or Java) Experience building complex backend or distributed systems Strong understanding of software engineering fundamentals, including: Concurrency Testing Design patterns Clean code principles CI/CD practices Ability to operate...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Infrastructure Engineer
Infrastructure Engineer You must be SC Cleared to be suitable for this role. We are looking for an experienced Infrastructure Windows Engineer to join one of our customers within the Finance sector. In this role, you will be responsible for supporting, maintaining, and enhancing our enterprise Microsoft Windows infrastructure, ensuring the delivery of secure, reliable, and high-performing services. Working as part of a collaborative infrastructure team, you will contribute to business-critical projects, support day-to-day operations, and help drive continuous improvement across the IT environment. For this role you must be required to commit to being onsite 2-3 days per week in central london. Duties Manage, maintain, and support enterprise Microsoft Windows Server environments to ensure secure and reliable services. Build, configure, deploy, and decommission physical and virtual servers as required. Administer core Microsoft technologies including Active Directory, DNS, DHCP,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Back-end Engineer (contract)
Back-end Engineer (contract) Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes.  Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months  Start date: ASAP, Immediate starter  Working Patterns: Full-time, 1 day p/w in London-offices. Essential:  Confident working across data infrastructure, distributed systems, APIS and AI-services  Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node and SQL.Nice to have: Docker, ECS, Kubernetes or similar container platform experience  Familiarity with Django frameworks and IaC (e.g. Terraform)  Experience with the deploying and operating ML or AI systems...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
SQL Database Administrator
SQL Database Administrator – SC Cleared – London/remote – 6-months My Customer is seeking an experienced SQL Database Administrator to join a large-scale infrastructure team, supporting a range of critical database transformation and migration projects. You'll play a key role in delivering database solutions, supporting application migrations, and ensuring SQL environments are secure, resilient, and built to a consistently high standard. Skills required from the SQL Database Administrator: Active SC Clearance (mandatory). Experience in a Critical National Infrastructure environment Strong commercial experience administering Microsoft SQL Server environments. Experience working with SQL Server 2016 through to SQL Server 2025. Excellent knowledge of Always On Availability Groups, Windows Clustering and High Availability/Disaster Recovery technologies. Experience administering SSRS, SSIS and SSAS. Strong understanding of SQL Server upgrades, migrations and performance...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Linux (RHEL) Engineer - SC Cleared
Linux RHEL Engineer - SC Cleared - Inside IR35 - Hybrid 2/3 days per week  My client seeks to recruit an experienced Linux engineer - support in maintenance, upgrades and general house keeping Core Competencies  Previous experience in a technical position within Linux platform support and/or delivery  Familiarity with request, problem and project management processes and tools  Detail oriented, process driven, highly innovative mindset, with deeply engrained sense of ownership for the projects delivered  Adept at stakeholder communications, from senior level to domain-wide engagement events  A broad and deep understanding of best practice in applying appropriate processes, technologies, and resources to deliver a high quality solutions  Experienced in managing risk, compliance, audit and security obligations, including implementation of disaster recovery and business continuity procedures  Mandatory Technical Skills  Experience of managing Red Hat Enterprise Linux...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
Senior Project Manager - Operational Resilience (Banking)
Join Our Team as a Senior Project Manager - Operational Resilience! Are you ready to make a difference in the fast-paced world of investment banking? We are seeking a dynamic and motivated Senior Project Manager to lead our Operational Resilience initiatives! This is an exciting opportunity to join a leading financial institution located in London. If you have a passion for enhancing operational strategies and thrive in a collaborative environment, we want to hear from you! Contract Details: Length:6 Months + extension Rate: Highly competitive Working Pattern: 2-3 days per week in the office, via Umbrella company Previous experience with Operational / Governance resilience within the financial sector is a mustYour Mission: As the Senior Project Manager, you will spearhead projects aimed at strengthening our operational resilience framework. Your expertise will be crucial in navigating challenges and ensuring our systems remain robust and reliable. Key Responsibilities: Lead...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software