Open for Select Freelance & Architecture Advisory Roles: High-scale Spark tuning, Medallion Lakehouses & domain data platforms. Inquire Availability
Official Credentials

Curriculum Vitae & Career Milestones

14+ years of proven leadership in enterprise data engineering, cloud-native Lakehouse platforms, and distributed distributed systems optimization.

SAGAR D. SHINGARE

Senior Data Engineer & Data Architect | Big Data Tech Lead

Pune, Maharashtra, India

me@sagarshingare.com

+91 9960890489

linkedin.com/in/sagar-shingare

Professional Summary

Senior Data Engineer and Data Architect with overall 14+ years and 8+ years of end-to-end experience delivering high-scale data platforms, cloud-native ETL/ELT systems, and distributed processing solutions across Life Sciences, CPG, Retail, Insurance, BFSI, and Enterprise technology domains. Specialized in Spark (Scala/Python), Databricks, Hadoop ecosystem, BigQuery, AWS EMR, Delta Lake, and modern Lakehouse architectures. Adept at building 3 TB+ pipelines, improving workload efficiency by 60%+, and engineering reusable frameworks that strengthen data reliability, performance, and analytical readiness. Recognized for strong data modeling expertise (ERD/Dimensional), orchestration design, and cross-functional collaboration across complex enterprise environments.

Core Competencies & Architecture Toolkit

Big Data Ecosystem

Spark (Core, SQL, Streaming), Hive, HDFS, YARN, MapReduce, Sqoop

Cloud Platforms

AWS (EMR, S3, Lambda, Batch), GCP (BigQuery, Dataflow, Composer), Azure (ADF, Databricks)

Data Architecture

Delta Lake, Apache Iceberg, Medallion Architecture, CDC, SCD Type 2, Data Quality Frameworks

Programming & Languages

Scala, Python (PySpark), Advanced SQL, Core Java, Linux Shell Scripting

Data Modeling & Warehousing

Dimensional (Kimball/Inmon), ERD Design, Star/Snowflake Schemas, Snowflake, PostgreSQL, MySQL

Orchestration & FinOps

Apache Airflow, Cloud Composer, dbt, Git, Docker, CI/CD, Terraform, Cloud FinOps Cost Tuning

Professional Experience

Senior Big Data Tech Lead & Data Architect

Global IT & Financial Services Practice (BFSI)
Jan 2026 – Present Pune, India

Leading enterprise BFSI data engineering delivery, architecting cloud-native ETL and scalable analytics platforms for premier banking and financial services clients. Driving high-throughput data pipelines, real-time transaction streaming, fraud detection pipelines, and regulatory reporting platforms under stringent SLAs.

Apache Spark PySpark AWS BigQuery Kafka Airflow Python SQL Banking & Financial Platforms

Data Architect

Enterprise Data & AI Practice
Jan 2022 – Dec 2025 Pune, India (Remote)

Architected and implemented enterprise-grade data engineering solutions for Life Sciences, Retail, Insurance, Consumer Tech, and AI/ML programs. Designed 3TB+ daily scalable ingestion, ELT/ETL, and Medallion Lakehouse transformations using Spark, Databricks, BigQuery, and cloud orchestration tools. Developed standardized, reusable data engineering frameworks.

Spark Scala Python Databricks BigQuery AWS EMR Delta Lake Apache Iceberg Medallion Architecture Airflow

Big Data Developer

Global Digital & Technology Services
Jan 2020 – Dec 2021 Pune, India

Delivered high-volume data workflows for CPG forecasting and Life Sciences analytics using Azure Databricks, AWS EMR, and Cloudera. Built ingestion and analytics pipelines for a global Sales & Marketing Promotional AI platform using PySpark. Integrated 26+ diverse Life Sciences data sources for Oncology analytics and automated ETL pipelines with Python.

PySpark Azure Databricks AWS EMR Cloudera Hadoop Hive Python Teradata Migration

Big Data Technology Specialist

Enterprise Technology Consulting
Apr 2014 – Dec 2019 Bangalore / Pune, India

Engineered core components of large-scale enterprise product data lakes using Hadoop ecosystem technologies (Spark, Hive, Sqoop). Managed distributed cluster performance, validated and harmonized 10TB+ ingested data feeds, and migrated relational Oracle workloads to distributed platforms.

Hadoop Spark Hive Sqoop MapReduce Oracle SQL Server PostgreSQL Linux Shell Scripting

Software Developer

EdTech Enterprise Solutions
Jan 2011 – Feb 2014 Pune, India

Delivered backend systems, mobile applications, and automation solutions for educational institutions. Enhanced enterprise student information systems (SIS) database reliability and optimized relational data operations across MySQL and Linux server environments. Built shell scripts for automated operations and deployed customized solutions across 30+ institutions.

Core Java Android MySQL Linux Shell Scripting JavaScript

Academic Credentials

Master of Computer Science (M.Sc)
Pune University
2010 – 2013 • First Class

Specialized in advanced database systems, algorithms, distributed computing architectures, and software engineering principles.

Bachelor of Computer Science (B.Sc)
Solapur University (Sangola College)
2006 – 2009 • Distinction

Foundation in programming languages (Java, C, C++), relational database design, data structures, and operating systems.