Arijit Saha
Snohomish,Washington
Summary
Approx 10 years of experience astute Sr. Data Engineer with Team Building & Management Skill, worked with stakeholders and builds consensus around well-founded models and delivers world class BI products to end customers.
Overview
10
10
years of professional experience
4
4
years of post-secondary education
3
3
Languages
Work History
Sr. Data Engineer
Amazon
Seattle, WA
08.2016 - Current
- Lead Architect on Alexa Enterprize Data-Lake to all Alexa B2B streaming data that includes Voice/ Non-Voice
- Designed Data ingestion system data consume application API data and ingest into DW
- Designed Amazon Pay Buyer Checkout DW to produce Purchase Conversion Rate to Amazon senior leadership team.
- Analyzed complex data and identified anomalies, trends and risks to provide useful insights to improve internal controls.
- Developed, implemented and maintained data analytics protocols, standards and documentation.
- Explained data results and discussed how best to use data to support project objectives.
- Performed large-scale data conversions for integration into Alexa managed APIs.
- Hire and developed new talent for Amazon to build world class Analytics team
Senior Analyst
Wells Fargo & Company
Bangalore, India
07.2015 - 08.2016
- Built semantic layer Data model for consumer lending domain
- Discovered root causes of problems and identified appropriate solutions.
- Assessed data modeling and statistics to integrate high-level business processes with data rules.
- Investigated system issues and implemented resolutions to reduce downtime.
- Researched and adopted new technologies to add value to existing offerings.
Programmer Analyst
Cognizant Technologies Solutions
Bangalore, India
05.2013 - 06.2015
- Implemented Slowly Changing Dimensions (SCD Type 1, 2 and 6) for conformed dimensions to keep track of historical data
- Involved in creation of Mapplets, Worklets, Reusable transformations, UDF functions, shared folder, and shortcuts as per the requirements
- Implemented innovative systems for data collection.
- Worked closely with clients to establish specifications and system designs.
Education
Bachelor of Technology - Computer Engineering
West Bengal Institute of Technology
India 04.2008 - 05.2012
Skills
Pythons
ETLs
SQL (Postgres, Redshift, Oracle)
NoSQL (DynamoDB)
Omniflow
AWS (Athena, Lambda, S3)
Advanced analytics
Technology leadership work streams
Teambuilding
Accomplishments
- Delivered Alexa's first B2B Customer Facing Analytics
- Supervised team of 5 staff members.
Timeline
Sr. Data Engineer
Amazon
08.2016 - Current
Senior Analyst
Wells Fargo & Company
07.2015 - 08.2016
Programmer Analyst
Cognizant Technologies Solutions
05.2013 - 06.2015
Bachelor of Technology - Computer Engineering
West Bengal Institute of Technology
04.2008 - 05.2012