Sagar Mokashi
Data Modeller/Engineer
Pune
Summary
Senior data modeler and engineer with 13+ years leading large-scale data warehouse development. Expertise in cloud-native data pipelines and real-time processing systems. Proven record of reducing data latency and improving data quality to support business insights.
Overview
3
3
Languages
1
1
Certification
11
11
years of professional experience
Work History
Sr. Data Modeller/Engineering Manager
R Systems International Ltd
01.2026 - Current
- Engineered conceptual, logical, and physical data models with Erwin/DBT Data Modeler while applying Kimball and DV2.0 methodologies.
- Skilled in performing data profiling, creating source-to-target mapping documents, and ensuring data quality and integrity throughout the modeling process.
- Directed engineering teams through Agile delivery, aligning sprint priorities with client and product requirements.
- Reviewed architecture decisions to improve scalability, maintainability, and engineering consistency.
- Mentored developers on code quality, design standards, and technical problem-solving.
- Coordinated cross-functional stakeholders to resolve delivery risks and dependency conflicts.
Sr. Advisory Technical Services Specialist
IBM
05.2022 - 01.2026
- Data Modeller/Engineer (SNOWFLAKE/ETL Data Engineer) Insurance Domain
- accomplishments/tasks
- bulk loading from external stage (Azure Blob) to internal stage in Snowflake cloud using COPY command.
- Configured Snowpipe to support continuous ingestion from Azure Blob.
- Analyzed data quality issues using SnowSQL by developing an analytical warehouse on Snowflake.
- developing data model aligned with Data Vault 2.0 modeling concepts.
- Created custom dbt macros/models to automate data validation and testing and to improve overall validation performance.
- Client: Allianz Belgium/Netherlands
Data Engineer
Vodafone International Services
04.2019 - 05.2022
- Performed various tasks related to data management
- Utilized WhereScape RED ETL tool to extract, transform, and load data into Teradata database, facilitating the construction of the data warehouse.
- Designing of conceptual, logical and physical data model by understanding business requirements.
- Hands on experience on Teradata utilities and Teradata performance tuning. & WhereScape RED ETL Tool.
Technical Consultant
WhereScape
03.2016 - 04.2019
- Documented daily tasks to track progress and ensure accountability.
- ETL Data architect design & development using WhereScape RED tool. Data Quality Issues identification and provide the solutions.
- Designed and developed ETL architecture using WhereScape RED tool, identified data quality issues, and provided effective solutions.
- Optimized the query execution time and improved the application performance.
Education
Master of Science - Computer Science
Modern College, Pune University
Pune, India 04.2001 -
Skills
Snowflake data management
Data Vault 20
Dimensional modeling
WhereScape RED
GitLab workflows
GCP services
BigQuery
Python for Data Engineering
Teradata and UNIX
GCP BigQuery
Data Pipeline Automation
AI Data Integration
GCP
BigQuery
Python basics
Cursor Ai
Accomplishments
- Received Multiple Star Awards for exemplary performance
- Awarded Best Trainer for providing multiple trainings and receiving good ratings.
Certification
Undergone Associate Cloud Engineer in GCP
Interests
Reading, Travelling, Cycling, Listening Music
Timeline
Sr. Data Modeller/Engineering Manager
R Systems International Ltd
01.2026 - Current
Sr. Advisory Technical Services Specialist
IBM
05.2022 - 01.2026
Data Engineer
Vodafone International Services
04.2019 - 05.2022
Technical Consultant
WhereScape
03.2016 - 04.2019
Master of Science - Computer Science
Modern College, Pune University
04.2001 -
HONOR AWARDS
Received Multiple Star Awards for exemplary performance, Awarded Best Trainer for providing multiple trainings and receiving good ratings.