> Markdown version of [/jobs/ext/1868375-data-engineer](https://www.wearedevelopers.com/jobs/ext/1868375-data-engineer). 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). --- # Data Engineer - **Company:** Omnis Partners - **Location:** London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Automation of Tests, Big Data, Continuous Integration, Data Transformation, Data Systems, Data Warehousing, Python (Programming Language), Microsoft SQL Server, Query Optimization, Power BI, Standard Sql, SQL Server Reporting Services, SQL Server Integration Services, SQL Server Analysis Services, Workflow Management Systems, Azure Data Factory, Snowflake, Data Build Tool (dbt), Performance Monitor, Data Management, Legacy Systems - **Published:** August 2, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/42731087/ ## About the Role migration of legacy SQL Server (SSIS/SSAS/SSRS) systems into a modern Snowflake/Power BI environment. Work collaboratively with business users to understand requirements, translate them into technical solutions and deliver robust, scalable data products. Implement CI/CD, automated testing and performance monitoring for data solutions. Troubleshoot and resolve performance or data quality issues across the Snowflake and BI stack. Key Skills & Experience 6 years+ working with Snowflake. Expertise in data modelling, query optimisation and Snowflake-specific features (virtual warehouses, time travel, etc.). Hands-on experience with dbt (Data Build Tool) for data transformations. Proficient in SQL and Python for data manipulation and automation. Knowledge of Azure Data Factory or similar orchestration tools. Exposure to large-scale or regulated environments where accuracy and governance are critical. ## Description Senior Snowflake Developer Location: Hybrid - London - 2 days per week increasing in the New Year Day Rate - Inside around £500/day Starting ASAP for 6 months - likely to extend About the Role We're partnering with a financial client that's undertaking a large-scale data transformation, modernising legacy systems and building a unified analytics platform in the cloud. As part of this initiative, you'll play a key role in developing and optimising a Snowflake-based data warehouse and delivering high-quality visualisations and reporting through Power BI. The role offers the chance to work on greenfield architecture, migrate legacy SQL Server solutions and collaborate closely with senior stakeholders on complex, high-impact data initiatives. What You'll Be Doing Design, develop and maintain data pipelines and models using Snowflake, dbt and Python. Enhance and support Power BI dashboards and data models, ensuring performance, accuracy and user accessibility. Contribute to the ## Related Videos - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Data Analytics with Microsoft Fabric: End-to-End Use Case with Data Agents](https://www.wearedevelopers.com/videos/1547-data-analytics-with-microsoft-fabric-end-to-end-use-case-with-data-agents) - [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) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)