Inside IR35 Contract Jobs in Cardiff
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23 Contract jobs sorted by:
Date Posted
Date Posted
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Updating results…
23 Contract jobs
SmartRecruiters Functional Lead
Posted 3 days ago by Public Sector Resourcing CWS
On behalf of MHCLG, we are looking for a SmartRecruiters Functional Lead (Inside IR35) for a 6 month contract based REMO...
- Rate Not specified
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Capacity Manager - SC Cleared
Posted 3 days ago by Henderson Scott
Capacity Manager - Active SC Clearance Required | Remote | 6-month contractYOU MUST HOLD CURRENT, ACTIVE SC CLEARANCE TO...
- Rate Not specified
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Senior Test Engineer
Posted 3 days ago by Stealth IT Consulting Limited
Job DescriptionA major government delivery programme is transforming services across a public sector body, requiring ski...
- Rate £458 per day
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
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Enterprise Information / Data Architect
Posted 4 days ago by Experis
Key ResponsibilitiesDefine and maintain current and target-state enterprise data architectures.Develop conceptual, logic...
- Rate £690 per day
- Category Inside
- Work type Hybrid
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Mobile Voice Core Signalling Designer
Posted 4 days ago by Networking People (UK) Limited
ScopeThe role will to act as a Design resource on the project.The Mobile Voice Core Signalling Designer will help Design...
- Rate £510 per day
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
DevOps Engineer
Posted 5 days ago by TALENT INTERNATIONAL UK LTD
Role OverviewWe are looking for a Senior DevOps Engineer to support, optimize, and scale a production AWS-based data pla...
- Rate £480 per day
- Category Inside
- Work type Hybrid
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Atlassian Consultant
Posted 5 days ago by Tiro Partners
We're looking for a hands-on Jira Service Management and Integration Specialist to join a well-funded, mission-driven or...
- Rate Not specified
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Bloomreach SME / Solution Architect
Posted 6 days ago by Experis
The OpportunityWe're seeking an experienced Bloomreach CMS Solution Architect / Domain Subject Matter Expert (SME) to pl...
- Rate £600 per day
- Category Inside
- Work type Hybrid
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Head of Data, AI and Automation – Government – Remote – 6 months £800+
Posted 7 days ago by Keystream Group Limited
Head of Data, AI and Automation - Government - 6 months - SC ClearedA Government organisation is currently looking to fi...
- Rate £850 per day
- Category Inside
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
2 x SC Cleared Cyber Security Network Engineers
Posted 7 days ago by IF Recruitment Ltd
The RoleDue to an increase in workload, the client is urgently looking for two Cyber Security Engineers to join their te...
- Rate Not specified
- Category Inside
- Work type Hybrid
- Location Brighton or Cardiff or Nottingham or Liverpool
Electrical Technician
Posted 1 week ago by First Technical Recruitment
OverviewWe are seeking an experienced Electrical Technician to join a busy offshore operation.This is an excellent oppor...
- Rate Not specified
- Category Inside
- Work type Not specified
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
DevOps Engineer
Posted 2 weeks ago by TALENT INTERNATIONAL UK LTD
Job DescriptionRole: DevOps EngineerContract: 6 monthsRate: Inside IR35Location: LondonSecurity clearance: Must hold act...
- Rate £700 per day
- Category Inside
- Work type Not specified
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
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About Our Inside IR35 Contract Roles in Cardiff
What is the contracting market like in Cardiff?
Devolved government makes Cardiff the administrative centre of Wales and a consistent source of programme management, policy, and digital delivery contracts. Insurance and financial services employers, several of whom have established significant operational centres in the city, provide a steady flow of IT, data, and change roles. An emerging technology sector around the city centre and Cardiff Gate business park has added software development and cloud engineering to the local mix, though volumes remain modest compared to larger English cities. The Welsh Government's investment in digital capability is a distinctive feature of the Cardiff market, creating opportunities in govtech and public service transformation that are structured and funded differently from equivalent programmes in England.
What does Inside IR35 mean?
IR35 is UK tax legislation that determines whether a contractor is genuinely self-employed or working in a manner that resembles employment. When a contract is classified as inside IR35, income tax and National Insurance are deducted at source, typically via an umbrella company or agency PAYE. Headline day rates on inside IR35 engagements are generally higher than equivalent outside IR35 roles to account for the tax and employment cost structure.
Inside IR35 determinations are made where the working arrangements are considered to resemble employment, based on factors including the level of client control, the absence of a genuine right of substitution, and the presence of mutuality of obligation. Since April 2021, the end client is responsible for making this determination for medium and large private sector organisations. Many employers in financial services, government, and professional services assess the majority of their contractor engagements as inside IR35.
On QualityContracts.co.uk, approximately 49% of roles with a stated IR35 status are classified as inside IR35, making it the most common arrangement across the contract market. The proportion varies by sector and role type. Each listing on this page displays its IR35 status where provided by the hiring organisation.
How much do contractors usually earn in Cardiff when working Inside IR35?
Contract rates in Cardiff for inside IR35 engagements vary by discipline and seniority. Inside IR35 rates are typically 15% to 30% higher than equivalent outside IR35 roles to account for tax and national insurance deducted at source by the fee-payer. Filter by your specialism above for a more specific range.
How many Inside IR35 vacancies in Cardiff are there on Quality Contracts?
Over the past twelve months, we have tracked over 35,000 contract roles across the site, with roughly one in three sitting Inside IR35. Data reviewed up to July 2026.