> Markdown version of [/jobs/ext/2791187-senior-data-engineer-python-etl-sql](https://www.wearedevelopers.com/jobs/ext/2791187-senior-data-engineer-python-etl-sql). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Engineer (Python / ETL / SQL) - **Company:** Synergy Solutions Limited - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Cloud Computing, Data Validation, Information Engineering, Extract Transform Load (ETL), Data Transformation, Data Migration, Relational Databases, Python (Programming Language), SQL Databases, Workday HCM, Data Pipelines, Workday - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840676086-senior-data-engineer-python--etl--sql ## About the Role * Strong Python development experience * Proven Data Engineering experience on enterprise-scale programmes * Deep SQL and relational database expertise * Strong ETL development and data transformation experience * Experience working on complex data migration programmes * Strong stakeholder engagement and problem-solving skills Desirable * Previous Workday implementation experience * Experience supporting HR, HCM or workforce-related data migrations * Exposure to large-scale transformation programmes * Cloud platform experience (AWS, Azure or GCP) ## Description * Supporting data migration and transformation activities for a Workday HCM implementation * Designing and building data pipelines and ETL processes * Extracting, cleansing, transforming and loading data into Workday * Working closely with business, HR and technology stakeholders to resolve data quality challenges * Supporting data validation, reconciliation and testing activities * Collaborating with implementation partners and programme teams to meet delivery milestones * Helping establish robust migration and governance processes ## Related Videos - [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) - [Destigmatizing the Workplace: Building Real Inclusion](https://www.wearedevelopers.com/videos/1492-destigmatizing-the-workplace-building-real-inclusion) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Beyond Gut Feelings: The Rise of Data-Driven HR](https://www.wearedevelopers.com/videos/1326-beyond-gut-feelings-the-rise-of-data-driven-hr) - [WeAreDevelopers LIVE - How DevRel Makes Tech More Human](https://www.wearedevelopers.com/videos/2149-wearedevelopers-live-how-devrel-makes-tech-more-human) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)