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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Engineer - **Company:** Oh Polly - **Location:** Wirral, UK - **Experience:** Experienced - **Salary:** £40,694.0 - **Contract:** Permanent contract - **Skills:** Sql Data Warehouse, Application Programming Interfaces (APIs), Amazon Web Services, Software as a Service, Data Validation, Information Engineering, Data Infrastructure, Data Transformation, Data Systems, Python (Programming Language), Netsuite, Operational Databases, Power BI, Standard Sql, Shopify, SQL Databases, Systems Integration, Snowflake, AWS Lambda, Operational Systems, Api Design, Restful APIs, Terraform, Webhooks, Data Pipelines - **Published:** August 27, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5856490607 ## About the Role * Strong SQL and Python skills * 3+ years of experience building data pipelines, integrations or similar production data systems * Experience working with a cloud data warehouse, ideally Snowflake * Experience consuming REST APIs and working from vendor API documentation * Comfortable investigating unfamiliar systems and understanding how data moves between them * Able to take an unclear business requirement and turn it into a practical technical solution * Experience with dbt for data transformation and modelling * WS, particularly Lambda * PowerBi experience * Terraform or other infrastructure-as-code tooling * Ecommerce or retail data, such as Shopify, an ERP, WMS or 3PL * Experience working with APIs and webhooks between SaaS platforms * Experience using AI-assisted development tools or agentic workflows ## Description You'll join a small data team within Tech, working on the pipelines and integrations that move data between our operational systems and Snowflake. The role covers both data engineering and integration work. You'll build and maintain data models used for reporting and analytics, as well as Python services that connect systems including Shopify, NetSuite, our 3PL, returns platform and PIM. These services run on AWS, with infrastructure managed through Terraform. The work is a mix of building new solutions and improving existing ones. Depending on the work underway, you might spend more time in Snowflake and SQL, or more time working with Python, APIs and AWS. We're also starting to experiment with AI tooling and agentic workflows across the data platform. This is still an emerging area for the team, so there's an opportunity to help explore where these tools can genuinely improve how we build, operate and use our data systems. Key Responsbilities * Build and maintain pipelines that bring data from third-party and operational systems into Snowflake * Build and support integrations between operational systems, primarily using Python, AWS Lambda and Terraform * Develop and maintain the transformation layer and data models used for reporting and analytics * Work with the wider data team on the structure and direction of the Snowflake warehouse * Work directly with teams including Operations, Merchandising and Trading to understand requirements and turn them into reliable data solutions * Improve consistency between systems by introducing clear definitions, validation and data quality checks * Investigate data issues and trace problems across source systems, integrations and warehouse models * Provide ad hoc analysis and reporting when the business needs an answer quickly * Contribute to experiments with AI-assisted development and agentic tooling where it can improve data engineering workflows ## Related Videos - [Beyond Webhooks: The Future of Scalable API Event Delivery](https://www.wearedevelopers.com/videos/100312-beyond-webhooks-the-future-of-scalable-api-event-delivery) - [WeAreDevelopers LIVE - Markdown, Liquid and Checkouts](https://www.wearedevelopers.com/videos/1814-wearedevelopers-live-markdown-liquid-and-checkouts) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Teini - an extremely small webshop leveraging awesome and free tech](https://www.wearedevelopers.com/videos/286-teini-an-extremely-small-webshop-leveraging-awesome-and-free-tech) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [The Vonage Trivia Voyage: Quiz Your Way to the Top!](https://www.wearedevelopers.com/videos/761-the-vonage-trivia-voyage-quiz-your-way-to-the-top) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)