tech data jobs in Cardiff

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

Revenue Operations Lead – (Global Tech Travel Company) - UK - Remote - Contract: 12 months - Salary: £100k - £120k pa We’re scaling a global Experiences marketplace and hiring a Revenue Operations Lead to build the growth engine behind it. This role owns the operating model across supply acquisition, onboarding, account management, and vendor teams. You won’t be closing deals — you’ll design...

Job Description Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK building a razor sharp platform for heat pumps to be installed in homes up and down...

For the past 18 months, we've been proud to work with a business who's on a serious growth curve - using AI to solve a very real, tangible issue for some of the biggest brands in the world. Backed by investment, a strong client base, and a mature marketing engine, the challenge now isn’t demand — it’s keeping up with it. That's why we’re looking for a Sales Development Representative to sit at...

You will work on real production problems rather than research-only work, owning models from first iteration through to live deployment.

You will collaborate closely with other data scientists, data engineers, and DevOps, with the freedom to shape how GenAI and ML are used across the platform.

You will collaborate with distributed Data Owners and Data Stewards, guiding them in managing data quality initiatives and ensuring best practices are followed. Your mission will be to prioritise and create critical data quality improvements and targets, accelerating the development of cutting-edge Data and AI products.

Enterprise Account Executive – Data, AI, Analytics, Visualisation, Benelux, Sales, Account Management, C-Level, Tech, Business Development, Hunting, Closing FULLY REMOTE - £120k (+£120k OTE uncapped) + Benefits This is an exceptional permanent Enterprise Account Executive to join a leading tech organisation. The Enterprise Account Executive is fully Remote (you must be based in either UK or...

You will be involved in the entire data chain, from data ingestion to its use by data science teams and AI systems in production within a human-sized and multidisciplinary team. This role is within Process Intelligence (PI) team that combines functions such as Process Mining, Real Time Monitoring and Predictive AI

You will work with cutting-edge technologies in reporting, analytics, and data engineering, including Google Cloud Platform, Big Data, Data Lakes, Warehouses, and Power BI. Key Responsibilities - Database Management Systems (DBMS), Analytics, and Visualization. - Cloud and Big Data technologies.

You will be getting hands on exposure with some of the most exciting and largest M&A projects across the uk. The team have some very impressive growth plans, ideally looking at growing 12/15% in the next year alone.

You will have the opportunity to really make this role your own with the ability to develop your own client propositions bring new tools/products to the market.

You will work with a talented, experienced and supportive team and enjoy true flexibility with options to work completely remotely or in office as and when you wish. With a culture built on inclusion and continuous development, this is an environment where your expertise is valued, your ideas are heard and your career can grow.

Senior Data Analyst Department: Data & Analytics Employment Type: Full Time Location: Cardiff Description Hybrid - 2 days per week from our Cardiff HQ Confused.com is the UK’s first comparison platform for car insurance. We’ve been helping customers since 2002 by empowering them to make better decisions around insurance and financial services. Our mission is simple: take away the confusion...

Data Engineer - Mid Level Department: Data Employment Type: Permanent Location: Cardiff, UK Description Building innovative solutions; enabling safer workplaces for everyone. We’ll create a safer working world, building software to support a global network of responsible buyers, suppliers and partners. At Alcumus we take the pain out of compliance for over 50,000 organisations globally,...

Starling is the UK’s first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. All at the tap of a phone, all the time. Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and...

You should have experience in technical troubleshooting, data management, content management, reporting, and user training Priorities for the business

Job Title: P145 Certifying Team Leader Location: St Athan, Barry Employment Type: Permanent Start Date: Immediate Shifts: 7 on 7 off - Benefits: Competitive Salary: £90,000 PA - Annual Leave: 25 days plus bank holidays – plus on occasion, discretionary annual leave days given by executive team Alternating - Private Medical Care - Company Annual Bonus - Company Pension Plan - ...

Job description KPMG Overview: KPMG in the UK is part of a global network of firms that offers Audit, Legal, Tax and Advisory services. Through the talent of over 16,000 colleagues we bring our creativity, insight and experience to solve our clients’ and communities’ biggest problems. We’ve been doing this for more than 150 years. We aim to be universally recognised as a place for great people...

You will be involved in the entire data chain, from data ingestion to its use by data science teams and AI systems in production within a human-sized and multidisciplinary team. This role is within Process Intelligence (PI) team that combines functions such as Process Mining, Real Time Monitoring and Predictive AI Design and maintain scalable data pipelines.

Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK building a razor sharp platform for heat pumps to be installed in homes up and down the...

Job description Ready to Engineer the Future? Join Our Quantexa Talent Pool! Role: Data Engineers at all levels with Quantexa | Service Line: Data & AI – KPMG At KPMG, we don’t just work with data—we transform it into intelligence that powers smarter decisions. Our Data & AI practice is growing at lightning speed, and we’re looking for bold innovators to join our Quantexa delivery team. This...