Daniel Coxey
Prior Lake,Minnesota
Summary
Seasoned Data Engineer with 15 years of experience across the data lifecycle, specializing in designing and implementing scalable data pipelines and analytics platforms. Expertise in Python, SQL, PySpark, and cloud analytics ecosystems. Delivers reliable, production-grade data solutions that meet business and analytical needs.
Overview
11
11
years of professional experience
Work History
Senior Data Engineer
Trystar
Burnsville, Minnesota
06.2025 - Current
- Develop and optimize SQL- and PySpark-based ETL/ELT workflows for structured and semi-structured data using Microsoft Fabric.
- Design, build, and maintain scalable data pipelines supporting enterprise analytics and operational reporting.
- Implement standardized, reliable data models to support analytics, BI, and operational use cases.
- Enhanced data quality, observability, performance, and reliability across data workflows.
- Collaborated with business and technical stakeholders to translate requirements into production-ready data solutions.
- Facilitated support for downstream consumers, including BI tools, analysts, and operational systems.
Senior Data Analyst
Optum
Eden Prairie, MN
07.2023 - 03.2025
- Conducted research analysis and modeling on internal data sources to support revenue optimization strategies.
- Collaborated with Risk and Quality team within OptumInsight division to improve project deliverables and outcomes.
- Model client source files to standardized company data targets.
- Engineering those solutions into reusable and automated processes.
- Duties executed using Python, PySpark, and SQL via Jupyter notebooks, DBeaver, and VSCode.
Senior Data Analyst
Prospero Health (Optum)
Bloomington, MN
07.2020 - 07.2023
- Analyzed data and developed solutions using SQL, Python, and PySpark on Azure Databricks Apache Spark platform.
- Reporting and visualization using Microsoft SQL Server and Power BI.
- Prototype and automation design and development processes via Python Databricks notebooks.
- Designed and implemented inbound and outbound data file processes and syncs to ensure data accuracy and availability.
- Coordinated team tasks in Azure DevOps, managing source code in Git repository to streamline development workflow.
Senior Healthcare Analyst
Blue Cross Blue Shield of Minnesota
Eagan, MN
09.2019 - 07.2020
- Generated reports and visualizations using SAS, SQL, Tableau, and Microsoft SSRS to support data-driven decision-making.
- Enhanced development of models and algorithms for prescriptive analytics to improve predictive accuracy.
- Team lead for project management tracking via Microsoft Azure DevOps.
- Conducted population health analytics to identify and analyze health trends for targeted interventions.
Senior Epic Clarity Business Analyst
HealthPartners
Bloomington, MN
03.2015 - 09.2019
- Developed clinical measures and reports for all levels of customers utilizing Oracle PL/SQL and Microsoft T-SQL, Epic/Crystal Reports, and Business Intelligence tools.
- Established standards and optimized code, providing troubleshooting and support for reporting group.
- Managed application administration tasks, ensuring system functionality and user access.
- Conducted training sessions for team and end users to enhance system utilization.
Education
Bachelor of Science - Computer Information Systems
Edgewood College
Madison, WIMaster of Science - Data Science
University of Wisconsin - Eau Claire
Eau Claire, WISkills
- Data analysis and reporting
- Data visualization
- SQL and Python
- PySpark and data engineering
- Data modeling
- Agile methodologies
- Scrum framework
- Data science techniques
Websites
Timeline
Senior Data Engineer
Trystar
06.2025 - Current
Senior Data Analyst
Optum
07.2023 - 03.2025
Senior Data Analyst
Prospero Health (Optum)
07.2020 - 07.2023
Senior Healthcare Analyst
Blue Cross Blue Shield of Minnesota
09.2019 - 07.2020
Senior Epic Clarity Business Analyst
HealthPartners
03.2015 - 09.2019
Bachelor of Science - Computer Information Systems
Edgewood College
Master of Science - Data Science
University of Wisconsin - Eau Claire