Experience

Tessell
• United States
• Software Development
• 1 - 100 Employee
• Member of Technical Staff

  • Jul 2023 - Present

Enphase Energy
• United States
• Renewable Energy Semiconductor Manufacturing
• 700 & Above Employee
• Senior Software Engineer

  • Apr 2023 - Jul 2023


Amazon

• Bangladesh
• Advertising Services
• 1 - 100 Employee

• Software Development Engineer II at Amazon

  • Oct 2021 - Jun 2022

  - Developed multiple batch processing systems in Apache Spark used for detecting and root-causing defects in internal subsystems which results in uncompetitive pricing for Amazon products.- It reduced the manual effort of defect root causing from multiple days to within 5 hours in an automated manner.- Collaborated with multiple teams across Org to develop exhaustive understanding of data flow and automated RCA. This reduced ~500 hrs/month of manual effort for Operations.

• Software Development Engineer

  • Jul 2019 - Oct 2021

  - Designed and developed batch processing systems in Spark to process Org's data(~100GB/day) and generate meta data.- Developed frontend and backend for Glyph. It enables users to create and manage multiple user profiles, spark workflows. This reduced request processing time from 7 days to a couple of hrs.- Developed one stop system that provides users to manage competitor stats based on user permission level using AWS Cognito and ReactJS.- Built a batch processing framework that ingests data from heterogeneous sources, perform transformation, joins with different data sources and vend out final dataset with suggested actions. This is used by customers to make informed decisions on updating competitor statistics. Show less

• Software Development Engineer Intern

  • May 2018 - Jul 2018