Backend Software Developer jobs in Cardiff

ITW Construction Products (UK & Nordics)

A construction and engineering solutions provider is seeking a Software Developer in the United Kingdom to work within an Agile Scrum team. The ideal candidate will be responsible for developing and maintaining various software applications, actively participating in the full development lifecycle f

CV-Library

Hays are now looking for an SC Cleared Software Developer for one of our local clients: £600 p/d Inside IR35 1-2 Days onsite, rest is WFH Location is Cardiff Must hold current SC Clearance You'll join an Agile delivery team, building and supporting secure, high-quality software services us

Empiric

Senior Backend Java Engineer We are looking for a hands-on Senior Backend Java Engineer with recent experience building, testing, and deploying production-grade APIs and microservices. This is a coding-first backend role. We want someone actively engineering in their current or most recent role, not

Hays are now looking for an SC Cleared Software Developer for one of our local clients: £600 p/d Inside IR35 1-2 Days onsite, rest is WFH Location is Cardiff Must hold current SC Clearance You'll join an Agile delivery team, building and supporting secure, high-quality software services used by inte

Initialize

Backend Python Developer (AI) - Remote - UK - excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development). Good understanding of Docker and containerisation. An Agile mindset and

Tech Observer

Tech Observer is hiring Senior Statistical Programmers (FSP) in UK Core Job Responsibilities Provide analytical and programming support to the RWD (Real World ) team Develop Tables, Listings, and Figures (TFLs) directly from raw datasets Perform QC (Quality Control) of outputs and ensure accuracy of

Outlier

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents.

This job is with Warner Bros. Discovery, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Welcome to Warner Bros. Discovery… the stuff dreams are made of. Who We Are… When we say, “the stuff d

This job is with GSK, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Company Overview At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion peopl

Warman O'Brien

Statistical Programmer II | Leading CRO | Home Based | UK | Join a fast-growing, independent CRO providing a broad range of expertise-based clinical research services to worldwide pharmaceutical, biotechnology, and medical device industries. Renowned for its high-quality deliverables, exceptional cu

GEM Programming Solutions

GEM Programming Solutions is a UK‑based specialist Biometrics CRO, delivering high‑quality statistical programming solutions to the biotech and pharmaceutical industries. Due to our continued growth, we are recruiting for permanent Senior Statistical Programmer(s) with proven SAS® and / or R program

ITOL Recruit

Job Description Make your application after reading the following skill and qualification requirements for this position. Are you looking to benefit from a new career in Software Development? Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career c

nineDots.io

If you like building the tools that other engineers actually use every day, this is that kind of role. This company builds infrastructure that sits right in the middle of how software gets delivered. Not the UI layer. Not dashboards. The actual plumbing that engineers rely on to ship, store, and sec

Empiric

Java developer: Please ensure you read the below overview and requirements for this employment opportunity completely. We are looking for expert developers to join one of our most exciting and important projects. You will be joining a large team to help shape the landscape of the United Kingdom, wor

Areti Group | B CorpTM

Senior Software Developer (Contract) Read on to find out what you will need to succeed in this position, including skills, qualifications, and experience. Rate: £450- 470pd inside IR35 Contract Length: Initial 3 months (starting ASAP) Location: Remote (UK-based) Essential Experience: Applicants must

ITOL Recruit

Job Description Make your application after reading the following skill and qualification requirements for this position. Are you looking to benefit from a new career in Software Development? Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career c

Advanced Secure Technologies

4 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Advanced Secure Technologies provided pay rangeThis range is provided by Advanced Secure Technologies. Your actual pay will be based on your skills and experience — talk with your recruiter to

HID

Get AI-powered advice on this job and more exclusive features.An Amazing Career Opportunity for a Senior Software Developer !!Location: Cardiff UKJob ID: 32973The Operations Solutions team delivers software solutions used throughout the manufacturing organization targeting the industrialization and

Women in Data

A prominent tech community in Cardiff is seeking a Mid-Senior GenAI Engineer to develop backend services and multi-device applications. The role emphasizes collaboration with various teams and upholding security standards. Ideal candidates should have strong backend development skills and a passion