Parmanand Kumar
Sr Data Engineer
Bengaluru,
Summary
Experienced Data Engineer with 7+ years of expertise in building scalable data pipelines, ETL/ELT processes, and cloud data architectures for analytics and machine learning use cases. Strong programming capabilities in Python, Java, Scala, and Shell scripting with hands-on experience across Hadoop ecosystem, Teradata, Hive, BigQuery, SQL, Pyspark, and Scala Spark.
Overview
7
7
years of professional experience
1
1
Certificate
Work History
Sr. Data Engineer
Lowes, India
07.2022 - Current
- Led the migration of the WFM project to GCP, enabling scalable storage, optimized data processing, and improved operational reliability.
- Built a chat-bot capable of generating SQL queries based on natural language user input.
- Led the migration of 200+ jobs to the CDP Cluster, improving data processing speed by 25% and job stability by 40%.
- Developed a React-based application to track Druid dataset insights, reducing manual time by 30%.
- Created a Docker image integrated with CI/CD pipelines, streamlining deployment processes for JAR/files using Python and enhancing pipeline creation efficiency.
- Conducted a POC on leveraging AWS services, contributing to improved cloud integration within the team.
Software Engineer III
Walmart
10.2021 - 07.2022
- Migrated on-premise pipelines across 7 countries to Google Cloud, reducing data processing time by 20%.
- Developed and deployed a data pipeline that automated 52-week forecast data for import items, enhancing forecasting accuracy.
- Built an adjustment and overrides processing pipeline, improving forecast accuracy metrics and automating user notifications, driving operational efficiency.
Software Engineer II
PayPal
03.2021 - 10.2021
- Developed a Java/Spark data pipeline to process transactional data for Gopay, ensuring high-performance data ingestion.
- Designed comprehensive JUnit test cases for 3+ pipelines, boosting data processing reliability.
Engineer I
Target
07.2018 - 02.2021
- Designed a data pipeline to process one-time payment data from Workday, enhancing financial reporting.
- Developed an enterprise-wide annual calendar using ReactJS, improving user engagement by 20%.
- Migrated HR reports from Teradata to Hadoop, streamlining data processing.
- Built a web app for managing Scala & Spark training, optimising resource allocation and knowledge sharing.
- Managed scheduling for 20+ jobs using Apache Airflow, improving job efficiency and monitoring.
Education
Post Graduate Program - AI & Machine Learning
04-2020
Master of Computer Applications -
04-2018
Skills
Data Engineering: Data Pipeline Development, ETL/ELT Design, SQL Optimization, Data Quality Validation, Feature Engineering
Certification
Associate Cloud Engineer
Accomplishments
- Awarded "Spot Award" for outstanding performance at Walmart.
- Received "Spot Award" at PayPal for exceptional contributions.
- Winner of Q1 "Be Bold" Award at Target for driving bold initiatives.
- Achieved All India Rank (AIR) 59 in NIMCET 2015.
- Published technical articles on GeeksforGeeks and Medium platforms.
- Received a token of appreciation from Dr. P.J Alphones for organising the 4th National Conference on Frontiers in Applied Science & Computer Technology.
Timeline
Associate Cloud Engineer
04-2025
Sr. Data Engineer - Lowes, India
07.2022 - Current
Software Engineer III - Walmart
10.2021 - 07.2022
Software Engineer II - PayPal
03.2021 - 10.2021
Engineer I - Target
07.2018 - 02.2021
Great Lakes Executive Learning - Post Graduate Program, AI & Machine Learning
National Institute of Technology - Master of Computer Applications,
LANGUAGES KNOWN
English
Advanced (C1)
Hindi
Bilingual or Proficient (C2)
Bengali
Intermediate (B1)
Kannada
Beginner (A1)
Interests
Blogging
Traveling
Watching Movies