ROJA BOINA
NC,USA
Summary
Engineering Senior Advisor adept at delivering data-driven solutions that drive business growth and innovation.Successfully collaborated with cross-functional stakeholders to implement technical solutions, resulting inreduction in ETL processing costs and decrease in downtime. Proficient in Databricks, Apache Spark, Python, SQL, and Tableau on AWS, with a focus on building data layersand ETL pipelines. Committed to mentoring and leading teams, exemplified by roles as a mentor and chapter co-lead for Women in Data, as well as serving as a technical book reviewer.
Overview
8
8
years of professional experience
Work History
Software Engineering Senior Advisor
Cigna
08.2017 - Current
- Led a cross-functional team to migrate legacy systems to Databricks, resulting in a 30% increase in processing speed and enhanced data accessibility for 3 departments
- Developed a scalable data architecture using Databricks within 6 months, streamlining claims management and improving data accessibility for 5 teams
- Spearheaded data lake expansion and migration projects, mentoring junior engineers to elevate team expertise in data engineering practices
- Designed and implemented scalable ELT pipelines using PySpark, SparkSQL, and Apache Spark, ensuring seamless integration and optimal data flow to Databricks
- Facilitated collaboration with stakeholders to define requirements and deliver data products via Unity Catalog, enhancing data accessibility
- Implemented efficient job scheduling mechanisms using Apache Airflow, ensuring timely execution of critical workflows and optimizing operational performance
- Created a Streamlit platform to deploy large language models (LLMs), demonstrating innovation in data product development
- Conducted root cause analysis on claim transactions to identify discrepancies, including mismatched dollar values and unmatched metrics.
- Refactored complex Teradata SQL scripts into HQL (Hive Query Language), optimizing data transformations and workflows
- Enhanced Tableau dashboards, achieving a 13% performance improvement and empowering stakeholders with faster, actionable insights
Business Intelligence Developer
IVY technologies
12.2016 - 08.2017
- Collaborated with business partners and users to design and deliver standardized functional solutions, aligning technical capabilities with business needs
- Established data connections in Tableau to access and integrate data from diverse sources, enabling seamless analysis and visualization
- Developed calculated fields, mappings, and hierarchies, employing advanced statistical methods for in-depth Tableau analyses
- Utilized advanced Tableau features such as Actions, Parameters, Background Images, Maps, Groups, Hierarchies, and Sets to create both high-level summaries and detailed reports
- Designed and deployed complex dashboards with advanced visualizations and dynamic axes to solve intricate business challenges
- Built executive dashboards allowing users to compare data across Year-over-Year, Quarter-over-Quarter, Month-over-Month, and Week-over-Week views, empowering strategic decision-making
- Published dashboards and reports on Tableau Server, ensuring secure and efficient access for end-users
Skills
- Organizational development
- Relationship building and management
- Data analytics
- Policy analysis
Timeline
Software Engineering Senior Advisor
Cigna
08.2017 - Current
Business Intelligence Developer
IVY technologies
12.2016 - 08.2017
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