Rejo Jose
Thiruvananthapuram
Summary
Results-driven professional specializing in Power BI, SQL optimization, and machine learning. Proven ability to develop interactive dashboards and optimize data workflows to drive data-informed decision-making.
Overview
3
3
years of professional experience
Work History
Software Engineer
ENXCL Business Solutions
Kochi
06.2025 - Current
- Designed and developed interactive business intelligence dashboards using Power BI to support data-driven decision-making.
- Performed data modeling in Power BI by designing fact and dimension tables, defining complex relationships, and optimizing schema structures for accurate and scalable reporting.
- Built and optimized data models with complex table relationships to improve reporting accuracy and performance.
- Implemented role-based data access controls (Row-Level Security) and managed report publishing and deployments in Power BI Service.
- Optimized DAX calculations and queries to enhance dashboard efficiency and reduce load time.
- Developed interactive web-based dashboards using Python, Plotly, and Dash for analytics and performance monitoring.
- Applied data modeling and transformation techniques using Python (Pandas) to clean, merge, and structure data from multiple sources including CSV files and SQL databases.
- Designed scalable and modular dashboard architectures to improve maintainability and system performance.
- Managed data ingestion processes by importing structured datasets into relational databases using SQL, including schema design and normalization.
- Automated data workflows through scheduled jobs to ensure regular data updates and synchronization.
- Wrote optimized SQL queries and applied indexing strategies to maintain data integrity and improve database performance.
- Contributed to ERP system maintenance and customization using the Frappe framework, including backend debugging and workflow enhancements.
Jr Data Scientist
IBS Software Services
Kochi
10.2023 - 03.2025
- Designed ML models for airport predictions
- Developed Django REST APIs for predictive dashboards
- Performed data analysts, feature engineering & model deployment
Summer Intern
IBS Software Services
Kochi
04.2023 - 05.2023
- Designed ML models for airport predictions
- Built predictive model for connection flight delay forecastings
- Preprocessed data & delivered proof of concept
Education
Master of Science - Statistics With Specialization in Data Analytics
Mar Ivanios College
Thiruvananthapuram07-2023
Bachelor of Science - Mathematics
Mother Theresa College
Thiruvananthapuram07-2021
Skills
- Power BI
- Data modeling
- SQL optimization
- DAX calculations
- Machine learning
- Data analysis
- API development
- Predictive modeling
- Problem solving
Timeline
Software Engineer
ENXCL Business Solutions
06.2025 - Current
Jr Data Scientist
IBS Software Services
10.2023 - 03.2025
Summer Intern
IBS Software Services
04.2023 - 05.2023
Master of Science - Statistics With Specialization in Data Analytics
Mar Ivanios College
Bachelor of Science - Mathematics
Mother Theresa College