> Markdown version of [/jobs/ext/2268569-data-engineer](https://www.wearedevelopers.com/jobs/ext/2268569-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:** Siri InfoSolutions Inc - **Location:** West Chester, PA, United States - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Databases, Data Validation, Extract Transform Load (ETL), Relational Databases, Distributed Computing Environment, Python (Programming Language), Performance Tuning, SQL Databases, Teradata SQL, Snowflake, Apache Spark, Git, Pyspark, Star Schema, Software Version Control, Data Pipelines - **Published:** August 27, 2026 - **Apply:** https://www.careerjet.com/jobad/us316f630bc722e9400f095b56e9cbcaf6 ## About the Role Must Have Technical/Functional Skills Snowflake: Deep expertise in Snowflake PySpark: Strong hands-on experience using Apache Spark with Python for distributed data processing and transformation. Database & SQL Knowledge: Advanced proficiency in Teradata ## Description Pipeline Development: Design and implement robust ETL/ELT pipelines using PySpark and SQL to ingest data from diverse sources including APIs, flat files, and relational databases Data Modeling: Develop and manage complex data models (e.g., Star/Snowflake schemas) and maintain Fact and Dimension tables within Snowflake Performance Optimization: Monitor and tune Snowflake queries and Spark jobs to optimize performance, reduce latency, and manage computational costs Data Quality & Integrity: Implement automated data validation frameworks and testing procedures to ensure a "single source of truth" and high data reliability Operations: Troubleshoot production pipeline issues, manage version control via Git ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [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) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) ## Related Articles - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)