Data developer jobs in Cardiff

 ...Work Type Permanent Job Function Data / Knowledge Management Salary Range £42,786.00 -£48,912.00 Base Closing Date Linea (St Mellons, Cardiff) - Hybrid Options 23:59 on 17 August 2026 What you’ll be responsible for This is an exciting role that will... 

 ...Position Title: Advanced Data Engineer Contract Type: Contract (6-month initial duration, with potential for extension) Location:...  ...and validation frameworks. Demonstrated capability to design, develop, test, document, and support production-ready code and end-to-end... 

 ...so that we're able to interact and collaborate in person. Our Data Environment Our Data teams are aligned to divisions covering the...  ...changing banking for good. Responsibilities Manage and develop a team of analytics engineers. Work closely with stakeholders... 

 ...intelligence pipeline for a utilities client that extracts structured data from tens of thousands of scanned engineering records, with...  ...groundedness and accuracy evaluation gating each release. An internal developer platform capability that lets a retail client's own engineers... 

 ...the varied development tasks undertaken by our technical product teams and champion technical excellence. You will also be expected to develop a deep understanding of our products and their technical implementation. Responsibilities Although this exciting and important... 

 ...intelligence across Welsh rugby by transforming player and performance data into clear, accessible and actionable insight for coaches and...  ...the medium of Welsh is desirable. The Role ~ Design and develop high-quality player and performance data visualisations,... 

About our Data Science TeamWe’re looking for a Senior Product Data Scientist excited to help build the bank of the future. You’ll have the opportunity to super charge our user engagement in 2025 and help us to build a bank that customers truly love. Enable Monzo to Make Better... 

We're looking for a Lead Software Engineer (Python & Django) for a central government department based in London, Manchester, Birmingham or Cardiff (hybrid), on an initial 12 months contract, paying up to £720 per day (Inside IR35). This is a hybrid role with around 40% ...

Enable Monzo to Make Better Decisions, FasterWe have a strong culture of data-driven decision making across the whole company. All our data lives in one place and is super easy to use. 90% of day-to-day data-driven decisions are covered by self-serve analytics through Looker... 

 ...POCs into production is highly beneficial Responsibilities: Build production applications and APIs using Python and FastAPI Develop LLM, RAG and AI agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic,... 

 ...creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ Data at MonzoWe have over 300 employees in Data at Monzo. Data is at the heart of Monzo's journey and our work defines the success and... 

 ...Producing validation reports whilst engaging with the model developers and model owners to ensure the validation findings are understood...  ...application, you agree that Starling Bank may collect your personal data for recruiting and related purposes. Our Privacy Notice explains... 

 ...Incentive Awards tied to your performance + Benefits | Technology - Data About us: We’re here to make money work for everyone and we're...  ...at detecting and fighting financial crime activity - Help hire, develop and retain talented Data people - Generate insights that can change... 

 ...Lead the application of artificial intelligence, data science and advanced analytics across Talent Insight & Management, creating new...  ...talent and changing trajectories, automate intelligence workflows and develop tools that strengthen human judgement and decision-making. A... 

 ...Incentive Awards tied to your performance + Benefits | Technology - Data ⭐ About Data at Monzo Data is at the heart of how we make...  ...a central role in how we understand problems, make decisions and develop our products. You'll lead and develop a team of talented Data Scientists...