Summary
Overview
Work History
Education
Skills
Accomplishments
Hobbies
Timeline
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Apekshit Kumar

Apekshit Kumar

Member Of Technical Staff II at PayPal

Summary

Seasoned Java Architect with over 13 years of expertise in crafting applications from scratch, adept in all PDLC stages, and excels in building distributed, scalable systems with Agile. Eager to apply my proficiency in cutting-edge tech to enhance your team's software solutions.

Overview

14
14
years of professional experience
3
3
Languages

Work History

Member Of Technical Staff II

PayPal
04.2023 - Current
  • Developed Kafka to BQ pipeline for data sync across 300+ tables, enhancing daily analytics.
  • Streamlined DMP changes with a script, cutting operational overhead by 60%.
  • Enabled diverse data pipelines (GCP Hive, Oracle) and onboarded 500B+ record table on time.
  • Facilitated Informatica exit, decommissioning 53.2% of cores for system efficiency.
  • Retired 250+ CDH pipelines and 1500+ obsolete jobs, streamlining legacy systems.
  • Automated source conversion, reducing manual workload by 80% in Simba Exit initiative.
  • Orchestrated migration of 250+ RADDs to BigQuery, improving data processing and error mitigation.

Member Of Technical Staff I

PayPal
04.2021 - 03.2023
  • Successfully onboarded 50 data pipelines, managing 400+ job runs and 225+ million records daily, while supporting large CLOB/BLOB tables with 400+ columns.
  • Enhanced Oracle data movement by reducing onboarding SLA from 1-7 days to under 1 day, and contributed to end-to-end pipeline enablement as a subject matter expert.
  • Implemented cost-effective GCP Hive Snapshotting with improved schema change management, performance, and data validation, leading to the live onboarding of 3 pipelines.
  • Streamlined Oracle Data Movement by automating onboarding processes, reducing effort from 5-7 days to a frictionless flow, and migrating legacy systems to modern tech stacks.

Sr. Software Engineer

PayPal
11.2018 - 08.2021
  • Engineered the Bulktxnmrgd raptor batch application, significantly contributing to team development efforts.
  • Developed and deployed a Kafka Daemon service, achieving a migration from the legacy yam Msg. daemon and enhancing throughput, reducing processing time from 24 hours to 7 hours.
  • Established a CI/CD pipeline, ensuring high code quality with approximately 98% coverage.
  • Analyzed and optimized Checkout & Beyond APIs, collaborating with engineers to alleviate performance bottlenecks.
  • Improved Billing Agreement Cancellation LTA, reduced p95 time by 400ms (from 491ms to 91ms.)
  • Played a pivotal role in the Vault Program and the integration of Unvetted Merchants.
  • Assisted the team with LTA migration and real-time troubleshooting, conducted code reviews, and offered mentorship to peers to facilitate development.

Lead Engineer

Samsung R&D
08.2013 - 10.2018
  • Engineered cutting-edge middleware for Smart Scan, enhancing Automatic Document Classification capabilities in multifunction printers (MFPs).
  • Spearheaded the design and development of a robust BLE Authentication and Heartbeat protocol for MFP security and connectivity.
  • Innovated in the mobile space by designing and optimizing an Android app for MFPs, significantly boosting app launch efficiency.
  • Played a pivotal role in the creation of a Business Core Printing Product, integrating cloud solutions seamlessly with MFPs.
  • Fortified data security by implementing SHA-256, OAuth2, AES encryption, and CSRF protection algorithms.

Software Engineer

CGI
06.2010 - 07.2013
  • Developed intuitive UI components for the Watson SIPCIP project using JSP, JavaScript, HTML, and CSS.
  • Leveraged Hibernate and Spring Web Flow frameworks to enhance persistence and application layer functionality.
  • Integrated Ehcache for caching to optimize performance through Hibernate Second Level Cache.
  • Collaborated with cross-functional teams to deliver high-quality software products on schedule.
  • Implemented effective debugging strategies, resulting in fewer software defects and increased reliability.
  • Proactively identified security vulnerabilities in application code, implementing necessary measures to mitigate risks.

Education

Master of Computer Applications - Computer Science And Programming

BIT Mesra
Ranchi
04.2001 -

Bachelor of Computer Applications - Computer Science And Programming

IGNOU
Muzaffarpur
04.2001 -

Skills

    Programming Skills - Java SE, Rx Java, Python

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Accomplishments

    PayPal - SPOT AWARD for identifying Venmo issue and reduce MTTD.

    PayPal - SPOT AWARD for Unvetted Merchant Onboarding.

    Samsung - Execution Award for Smart Scan.

    Samsung - SPOT AWARD for LOCALIZER.

    CGI - CORONA AWARD for TMI

Hobbies

Cooking, Gardening, Walkathon

Timeline

Member Of Technical Staff II

PayPal
04.2023 - Current

Member Of Technical Staff I

PayPal
04.2021 - 03.2023

Sr. Software Engineer

PayPal
11.2018 - 08.2021

Lead Engineer

Samsung R&D
08.2013 - 10.2018

Software Engineer

CGI
06.2010 - 07.2013

Master of Computer Applications - Computer Science And Programming

BIT Mesra
04.2001 -

Bachelor of Computer Applications - Computer Science And Programming

IGNOU
04.2001 -

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Apekshit KumarMember Of Technical Staff II at PayPal