4 data engineer jobs found in Cardiff

At Crossing Hurdles, we work as a referral partner. We refer candidates to our partner that collaborates with world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Backend Software Engineer (Go) Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $200/hour median average pay (base $90/hour plus lucrative bonuses per approved task) Location: Remote Duration: 1 month Commitment: Part-time, 10–40 hours/week, fully remote and asynchronous Role Responsibilities (Training support will be provided) Develop and validate coding benchmarks in Go by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark...

£70k – £90k • 0.5% – 2.0% • Fully Remote We are an AI-driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. Unlike most "early-stage" startups, we are already at £100k ARR, growing month-on-month and have investment from angels. We have a product customers love, a validated business model, and we are now preparing to expand to Airbnb and Expedia. We are a lean team of two founders looking for a Founding Engineer. You will be the technical lead, working directly with us to brainstorm ideas, architecture and ship code quickly. The Role This is a Backend-First role (70/30 split). You will spend most of your time in Python/Django, but you must be willing to jump into React/Tailwind to ship complete features ‍ We have interesting technical challenges involving high-volume data and browser automation (MCP/AI) Scale the Backend: Build and ship features using Python (Django) and Postgres. High-Volume Scraping: Manage...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Data Scientist (Kaggle Grandmaster) Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $56/hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities (Training support will be provided) Analyze large, complex datasets to identify patterns and generate actionable insights. Build high-performing predictive models, statistical analyses, and ML pipelines across varied data types. Design and implement rigorous experiment frameworks and validation strategies. Automate workflows, feature pipelines, and reproducible research environments. Conduct exploratory data analysis, hypothesis testing, and interpret modeling outcomes. Collaborate with ML engineers and research teams to productionize models at scale....

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Data Scientist (Kaggle Grandmaster) Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $56/hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities (Training support will be provided) Analyze large, complex datasets to identify patterns and generate actionable insights. Build high-performing predictive models, statistical analyses, and ML pipelines across varied data types. Design and implement rigorous experiment frameworks and validation strategies. Automate workflows, feature pipelines, and reproducible research environments. Conduct exploratory data analysis, hypothesis testing, and interpret modeling outcomes. Collaborate with ML engineers and research teams to productionize models at scale....