Helena Catherin
Hyderabad
Summary
Data analyst with over 4 years of experience in business intelligence, specializing in SQL, Power BI, and Tableau. Proven expertise in defining reporting requirements, database querying, and ETL processes for large datasets across finance and operations. Skilled in gathering customer insights to develop dashboards and conduct financial analysis, ensuring data integrity through structured quality frameworks. Strong analytical skills with a track record of managing stakeholders and driving process improvements in cross-functional teams.
Overview
1
1
Certification
8
8
years of professional experience
Work History
Data Analyst
Berkadia
Hyderabad
01.2022 - Current
- Transitioned from Senior Research Analyst to Data Analyst
- Collaborated with cross-functional teams to streamline data collection processes, enhancing data accuracy and accessibility for analysis.
- Developed insightful reports using advanced Excel functions and data visualization tools.
- Built and maintained interactive dashboards in Power BI and Tableau to deliver key business insights and data quality metrics to senior leadership.
- Wrote and optimized SQL queries joining and aggregating very large datasets across property, account, and quote tables for extraction, manipulation, and performance analysis.
- Conducted financial analysis and descriptive property research, leveraging data and metrics to inform investment and business decision-making.
- Gathered customer insights by working directly with clients to understand their requirements, translating business and financial questions into dashboard specifications and metrics.
- Cleaned and preprocessed very large datasets through ETL processes to ensure accuracy and consistency for reporting and analysis.
- Used Python to write web scraping scripts that validated website data against internal records, flagging mismatches before they reached reporting.
- Created pre-ingestion validation scripts in SQL to prevent duplicate entries in Salesforce and internal systems, reducing record duplication by over 90%.
- Conducted in-depth data research and maintained data integrity through regular audits, root-cause analysis, and data quality scoring.
- Generated Excel reports using pivot tables, formulas, and business logic, fulfilling stakeholder requirements for actionable insights.
- Designed visual mockups for dashboards based on defined business requirements and collaborated with cross-functional teams to enhance data workflows.
- Performed market and trend research and financial analysis to support investment decisions, translating data and metrics into insights communicated to stakeholders both verbally and in writing.
- Adapted quickly to evolving tools and technologies, demonstrating leadership and effective communication across projects.
- Assisted in creating dashboards for real-time monitoring of key performance indicators.
- Trained junior analysts on data analysis techniques and best practices for reporting.
- Leveraged SQL queries to extract, transform and load data into databases.
- Built visualizations that enabled users to quickly interpret results from complex analyses.
Centralized Timekeeper – HR Services
Amazon Development Center
Hyderabad
01.2019 - 01.2020
- Resolved issues related to time and attendance data entry, reducing payroll defects for employees across multiple countries.
- Collaborated with and escalated to stakeholder teams as necessary to ensure timely resolution of payroll and attendance discrepancies.
Education
Post Graduate Diploma in Management - Business Analytics and Finance
Vignana Jyothi Institute of Management
01-2022
Bachelor of Technology - Electronics and Communication
C.M.R Engineering College
01-2019
Skills
- Data interpretation
- Data storytelling
- Time management
- MS Excel
- Dashboard design
- Data analysis
- Data visualization - Power BI, Tableau
- Dashboard development
- Data modeling
- DAX
- SQL
- ETL pipelines
- Data cleaning
- Quality frameworks
- Microsoft Excel
- Pivot tables
- Advanced formulas
- Google Sheets
- Python
- R
- Agile project management
- PowerPoint presentations
- RCSA
- Data management
Certification
Certified Scrum Master (CSM), Scrum Alliance
Accomplishments
- Consistently recognized as a top performer for several quarters.
- Awarded Hi5 for rapid project completion.
- Conducted company-wide data quality workshops.
- Developed SQL-based pre-ingestion checkers, reducing record duplication by over 90%.
- Led end-to-end dashboard projects for data quality assessment across Power BI and Tableau.
Skills
Power BI, Tableau, Snowflake, Google Data Studio, SQL, ETL pipelines, data cleaning, quality frameworks, Microsoft Excel, Google Sheets, Python, R, Agile project management, PowerPoint presentations
Projects
- Property Data Audit Dashboard, Created an interactive dashboard using Power BI to compare property records across multiple databases, enabling quick identification of duplicates, missing data, and gaps.
- Data Quality Dashboards, Built Power BI data quality dashboards using SQL-based ETL pipelines to extract and assess data across all fields in the Salesforce database. Used data storytelling to track when quality scores dropped, identify the root cause behind each drop, and lay out clear steps to resolve it for stakeholders.
- Created an app using Cursor and Python (Streamlit library) to split the Costar Information easily.
Timeline
Data Analyst
Berkadia
01.2022 - Current
Centralized Timekeeper – HR Services
Amazon Development Center
01.2019 - 01.2020
Post Graduate Diploma in Management - Business Analytics and Finance
Vignana Jyothi Institute of Management
Bachelor of Technology - Electronics and Communication
C.M.R Engineering College