Senior Python Engineer (Data)

Want to drive a top brand's Data team with 1m users? If you love building software in Python, implementing robust data pipelines & driving best practices, you may be interested in a Senior Engineer role I have with a highly successful Tech driven business, where you'd drive the Data function playing a key role optimising the acquisition & retention of users. Your work will serve millions of users a month, process thousands of requests a day, and enable hundreds of integrations with partners. Salary to £105k 10% Bonus, pension to 7.5%, Hybrid working (2 days in the Cardiff office), 30 days per year "work from anywhere", 27 days holiday (raising to 32), L&D budget, Health insurance, excellent maternity/paternity/adoption leave. What you'll like: You'd scale & improve a top brand's Data function, optimising retention of millions of users & having a real life impact You'd have autonomy over Tech to pick the latest, best languages/frameworks for the job! You'll have broad career progression opportunities across Group, which includes several high profile household name What you'll bring: Strong Python & TDD skills Expertise in modern data architecture (dimensional modelling, data mesh, data lake) & best practices (agile, CI/CD, IaC, observability). Experience with Cloud and big data technologies (e.g. Spark/Databricks/Delta Lake/BigQuery). Familiarity with eventing technologies (e.g. Event Hubs/Kafka) and file formats such as Parquet / Delta / Iceberg. Want to learn more? Get in touch for an informal chat.

Location: Cardiff County, GB

Posted Date: 6/16/2025