Backend Developer Contract Jobs in Cardiff
Updating results…
1,493 Contract jobs sorted by:
Date Posted
Date Posted
Rate
Updating results…
1,493 Contract jobs
Stay Updated on Contract Jobs
Never miss another opportunity with our email alerts.
Save your searches to be notified as soon as new jobs are added.
Senior Web Developer (Contract) - WordPress, Umbraco or Drupal
Posted 1 day ago by Abraxor Ltd
The role involves leading the hands-on development of a new platform and providing ongoing support post-launch. Candidat...
- Rate £500 per day
- Category Undetermined
- Work type Undetermined
- Location Liverpool, UK
Shift Technician - Deco - Green Shift - West Midlands
Posted 1 day ago by Ardagh Group LTD
The Shift Technician role at the Rugby Plant involves working in a manufacturing environment on a 4on 4off shift pattern...
- Rate £57,592 per year
- Category Undetermined
- Work type Undetermined
- Location West Midlands; Birmingham; Coventry; Stoke-On-Trent; Wolverhampton; Telford; Walsall; Hereford; Worcester; Tamworth; Nuneaton
Sort By
Saved Searches
No saved searches yet
Filters
IR35 Status
Working Arrangements
Industry
Sector
Country
Seniority Level
Posted By
Contract Rate
Date Posted
IR35 Status
Working Arrangements
Industry
Sector
Posted By
Country
Seniority Level
Date Posted
Contract Rate
£
—
£
About Our Backend Developer Contract Roles in Cardiff
What does a backend developer contractor do?
Backend Developer contractors are engaged to build, maintain, and improve the server-side logic, databases, and APIs that power web applications and digital services. The work typically involves developing RESTful or GraphQL APIs, designing and optimising database schemas, building integrations between systems, implementing business logic, and ensuring that applications perform reliably at scale. Backend Developer contractors are used across virtually every sector, from fintech startups building new payment platforms to large enterprises modernising legacy systems, and are engaged when a team needs additional development capacity or specialist server-side expertise for a defined project.
The technical skills expected vary depending on the technology stack in use. The most common languages in the UK backend contracting market are Python, Java, .NET, Node.js, and PHP, with Go and Rust growing in demand for high-performance systems. Proficiency in SQL and experience with relational databases such as PostgreSQL or SQL Server is expected across most roles, alongside familiarity with NoSQL databases such as MongoDB or Redis depending on the application. Experience with cloud platforms, particularly AWS or Azure, is increasingly expected even for primarily backend-focused roles, as most modern applications are deployed in cloud environments. Strong knowledge of software engineering principles including testing, version control, and API design is assumed at all but the most junior levels.
What is the market like for backend developer contractors?
Backend Developer contracting is one of the largest and most well-established and active segments of the UK technology contracting market, driven by the ongoing demand for application development across every sector. The market is deep in terms of both volume and variety, spanning everything from short-term feature development engagements to multi-year platform modernisation programmes. Python and Java remain the dominant languages in terms of contract volume, though Node.js and Go are growing. The market has remained broadly stable in terms of rates, with backend specialists who combine strong language skills with cloud platform experience consistently able to command rates at the upper end of the developer contracting market.
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.
How much do backend developer contractors usually earn in Cardiff?
Contract rates for backend developer roles in Cardiff typically range from £450 to £765 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many backend developer vacancies in Cardiff are there on Quality Contracts?
Over the past twelve months, we have tracked over 200 backend developer contract roles across the site, with Cardiff demonstrating consistent opportunities. Data reviewed up to June 2026.