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Ritu Parno Behera

SSE@Walmart| Ex-Groupon | Ex-Flipkart | Ex-Paytm | ACM-ICPC | SIH Winner

Bengaluru

6+ years of work experience

Walmart Global Tech India
Jan 20251 yr 8 mosPresent

Bengaluru, Karnataka, India

Groupon
Sep 20222 yrs 5 mosJan 2025

Bengaluru, Karnataka, India

1. Designed & Implemented User Analytics for Campaign Optimization 2. Built a Real-time Audience Publication System - For instant Marketing (Email, Push, Social Media, Affiliate, etc) 3. Led a seamless migration from AWS to GCP, optimizing Kafka, Spark Streaming, and reducing costs by $900. 4. Developed a data quality framework, cutting data anomalies by 75% and improving reliability. 5. Re-architected the data pipeline, implementing incremental processing and removing redundant attributes with Apache Delta Lake 6. Cost-saving OLM Policy 7. Implemented an Object Lifecycle Management policy, saving $76,000 annually in GCP storage costs. 8. Integrated Bigtable into the system and revamped user segmentation for better performance and cost efficiency. 9. Migrated a Spark streaming service to GCP, optimising customer-triggered actions. 10. Expert in ensuring system reliability, troubleshooting, and resolving performance bottlenecks.
Flipkart
Feb 20228 mosSep 2022

Bangalore Urban, Karnataka, India

Paytm
Jan 20211 yr 2 mosFeb 2022

1. Developed a centralized data catalog for compliance within Hadoop, integrating it with enterprise data tools. 2. Designed and implemented OLAP systems to enhance data analysis and reporting. 3. Led EMR cluster migration (v5.3.0 to v6.3.0) and Spark upgrade (v2.4.7 to v3.1.0) for improved performance. 4. Created an automated S3 Cleaner tool to optimize data storage and cost management. 5. Conducted POCs with various technologies, informing strategic decisions. 6. Optimized Spark performance for efficient data processing. 7. Built a data-builder microservice for seamless metadata updates. 8. Introduced a data-steward microservice for manual metadata control. 9. Integrated AWS Deequ for enhanced data quality assurance. 10. Implemented data anomaly detection feature using Deequ metrics. 11. Proficiently used Docker for production-ready Python applications. 12. Identified and reported a critical bug during EMR migration.
Goldman Sachs
Feb 20201 yrJan 2021

Bengaluru, Karnataka, India

Responsibilities 1. Built ETL applications that calculate accurate brokerage. 2. Restructured existing design to improve performance significantly. 3. Built stream processing application for real time processing. 4. Handled Data Parsing, Cleansing, Quality definitions, Data Pipeline. 5. Built and conceptualized data flow architecture with NiFi. 6. Managed NiFi Administration setting-up: - Zero master cluster - Security Configurations - Authentication/Multitenant Authorization & securing connection with SSL Build and developed complex NiFi workflows. Improved Performance by using Load Balancing concept. Impact Highly scalable data flow which facilitates flow of data across variety of software system with very low latency with distributed computation in near real time. Impact 1. Ceased leakage of unnecessary brokerage. 2. Increased Spark Application performance up-to 60%. Technologies worked on: Java, Scala, Python, Apache Spark, Hive, Hbase, NiFi, Kafka, Gitlab, AWS (S3, Lambda, EMR, RDS, VPC, Security Group, Elastic IP), Drop-wizard, Django, SBT/Maven, Postman Client, Agile/Waterfall Model, Junit, Cucumber

Ritu’s AI Stack

antigravity
antigravity
claude code
claude code
claude
claude
codex
codex
cursor
cursor
gemini
gemini

Education

NIST University

Bachelor's degree, Computer Science

NIST University

20144 yrs2018

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Headline

SSE@Walmart| Ex-Groupon | Ex-Flipkart | Ex-Paytm | ACM-ICPC | SIH Winner

About

As a Senior Software Engineer at Walmart Global Tech India, I contribute to innovative projects that align with the organization's goals. With a Bachelor's degree in Computer Science from NIST, I bring a solid academic foundation to my professional journey. With experience from leading companies like Groupon, Flipkart, and Paytm, I have developed and supported impactful data systems and processes. My goal is to continue driving advancements in software engineering and data solutions to create value.

Location

Bengaluru

AI stack

antigravity

claude code

claude

codex

cursor

gemini

Work experience

Senior Software Engineer at Walmart Global Tech India, Jan 2025 - Present · 1 yr 8 mos, Bengaluru, Karnataka, India

Software Development Engineer II at Groupon, Sep 2022 - Jan 2025 · 2 yrs 5 mos, Bengaluru, Karnataka, India, 1. Designed & Implemented User Analytics for Campaign Optimization 2. Built a Real-time Audience Publication System - For instant Marketing (Email, Push, Social Media, Affiliate, etc) 3. Led a seamless migration from AWS to GCP, optimizing Kafka, Spark Streaming, and reducing costs by $900. 4. Developed a data quality framework, cutting data anomalies by 75% and improving reliability. 5. Re-architected the data pipeline, implementing incremental processing and removing redundant attributes with Apache Delta Lake 6. Cost-saving OLM Policy 7. Implemented an Object Lifecycle Management policy, saving $76,000 annually in GCP storage costs. 8. Integrated Bigtable into the system and revamped user segmentation for better performance and cost efficiency. 9. Migrated a Spark streaming service to GCP, optimising customer-triggered actions. 10. Expert in ensuring system reliability, troubleshooting, and resolving performance bottlenecks.

Senior Data Engineer at Flipkart, Feb 2022 - Sep 2022 · 8 mos, Bangalore Urban, Karnataka, India

Data Platform Engineer at Paytm, Jan 2021 - Feb 2022 · 1 yr 2 mos, 1. Developed a centralized data catalog for compliance within Hadoop, integrating it with enterprise data tools. 2. Designed and implemented OLAP systems to enhance data analysis and reporting. 3. Led EMR cluster migration (v5.3.0 to v6.3.0) and Spark upgrade (v2.4.7 to v3.1.0) for improved performance. 4. Created an automated S3 Cleaner tool to optimize data storage and cost management. 5. Conducted POCs with various technologies, informing strategic decisions. 6. Optimized Spark performance for efficient data processing. 7. Built a data-builder microservice for seamless metadata updates. 8. Introduced a data-steward microservice for manual metadata control. 9. Integrated AWS Deequ for enhanced data quality assurance. 10. Implemented data anomaly detection feature using Deequ metrics. 11. Proficiently used Docker for production-ready Python applications. 12. Identified and reported a critical bug during EMR migration.

Contigent Worker(Data Engineering) at Goldman Sachs, Feb 2020 - Jan 2021 · 1 yr, Bengaluru, Karnataka, India, Responsibilities 1. Built ETL applications that calculate accurate brokerage. 2. Restructured existing design to improve performance significantly. 3. Built stream processing application for real time processing. 4. Handled Data Parsing, Cleansing, Quality definitions, Data Pipeline. 5. Built and conceptualized data flow architecture with NiFi. 6. Managed NiFi Administration setting-up: - Zero master cluster - Security Configurations - Authentication/Multitenant Authorization & securing connection with SSL Build and developed complex NiFi workflows. Improved Performance by using Load Balancing concept. Impact Highly scalable data flow which facilitates flow of data across variety of software system with very low latency with distributed computation in near real time. Impact 1. Ceased leakage of unnecessary brokerage. 2. Increased Spark Application performance up-to 60%. Technologies worked on: Java, Scala, Python, Apache Spark, Hive, Hbase, NiFi, Kafka, Gitlab, AWS (S3, Lambda, EMR, RDS, VPC, Security Group, Elastic IP), Drop-wizard, Django, SBT/Maven, Postman Client, Agile/Waterfall Model, Junit, Cucumber

Education

Bachelor's degree, Computer Science, NIST University

Ritu Parno Behera - Senior Software Engineer in Bengaluru | Tal