Hemant Sah - Data Engineer

About

Data Engineer and Software Developer with 5+ years of experience specializing in ETL pipeline development, data warehousing, and backend development. Passionate about building scalable data solutions and optimizing performance to drive business insights.

Skills

Programming Languages

Python JavaScript Linux Shell

Web Development

Flask Django FastAPI REST API VueJS HTML CSS

Databases

PostgreSQL MySQL Elasticsearch Redshift DynamoDB

Big Data & Analytics

Apache Spark Apache Airflow Pandas NumPy

AWS Services

S3 EC2 Lambda SQS Redshift Athena Sagemaker

Tools & Technologies

Docker Git Bitbucket Jira Confluence

Experience

Wisdomleaf Technologies

Data Engineer — Wowcher Project

May 2023 - Present

Optimized ETL data pipelines using Apache Airflow and AWS Redshift, reduced processing time by 40%
Enhanced SQL queries to improve pipeline execution efficiency by 70%
Led the migration of Airflow pipelines from version 1 to 2
Developed custom Airflow operators and hooks to integrate with internal systems

Wisdomleaf Technologies

Python Developer — Genamet Project

Aug 2021 - Apr 2023

Developed a personalized recommendation system increasing user engagement by 35%
Integrated subscription module automating billing process for 100+ customers
Developed 10+ analytical dashboards in VueJS for actionable insights

Vmoksha Technologies

Python Developer — GenieAli Project

Apr 2020 - Jul 2021

Automated backlink creation, website submission and web scraping
Utilized Django to build API and user interface

Projects

Open Source Python Wrapper

Developed a Python wrapper for resmush.it API for image size optimization. Available on PyPI for the developer community.

View on PyPI →

Education

Bachelor of Engineering in Computer Science

RGPV, Madhya Pradesh

Aug 2015 - Jun 2019

Astronomer Certification

DAG Authoring for Apache Airflow

View Certificate →