Alimpon Sinha
Senior Software Engineer at Affirm, Inc.
8.7
Years of Experience
Education
carnegie mellon university
Companies
affirm inc., yelp, beyondbroker, microsoft, credit suisse, cmu robotics institute, lockheed martin, cogent infotech, cmu robotics institute
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Email (Verified)
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Mobile Number
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Experience
2020 - Present
affirm inc.
Senior Software Engineer
Fraud Engineering Team
2017 - 2020
yelp
Senior Software Engineer
Commerce Products Team Implemented major overhaul of subscriptions system that reduced the time of adding a new ads product from 2 months to 2 weeks ○ Refactored code from confusing monolith to activities in AWS SFN ○ Legacy code hidden behind new APIs ○ Designed how ads fulfillment would interact with subscriptions system ○ Added tiered packaging functionality, pricing eligibility API, rules engine Promotions​ - Implemented new types of promotions in promotion system that are now used by 40% of all ads purchases Pause/Resume ​- Designed and implemented pausing subscription functionality that reduced advertiser churn drastically 50% during EOY and covid-19 Security/Audit - ​Wrote GDPR compliance batches and added permissions privileges to sensitive actions in admin AWS (Amazon Web Services) ○ Migrated all team instances from uswest1 to uswest2 save $60K/month ○ Setup autoscaling for all SFN activities that saved money ○ AWS cloudwatch alarms to trigger failed transactions auto reconciliation activity, reduced oncall burden
2017 - 2017
beyondbroker
Software Developer
Founded a startup that has a website/mobile apps that assists home sellers in finding their ideal real estate agent • Managed all technical aspects of startup including frontend and backend web application development, database, and AWS cloud hosting • Developed php, html, css, and javascript for website functionality • Made sure development team followed mockups and tasks/bugs were completed
2015 - 2017
microsoft
Software Development Engineer
File I/O Team- Intermediate layer that interacts with a document such as open/create/save and schedules syncing of document to the cloud. • Own telemetry for key scenarios in Universal Mobile Apps, investigate bugs, and clear them for production to millions of users every month • Improved Universal Apps Boot Performance through database caching • Created a tool using SCOPE for team to easily monitor telemetry for A/B testing • Created a DLL with in-memory database for teams to use for internal testing • Refactored the API partner teams use to open/create a document • Wrote scripts to change how URLs are mapped to open documents from browser to app
2014 - 2014
credit suisse
IT Analyst Intern
Created analytical tools for traders using C++ with R interop and HTML frontend Converted legacy SQL/VBA application into Java with HTML/Tableau frontend Followed SDLC and business requirements such as FRD/BRD
2013 - 2013
cmu robotics institute
Robotics Research Intern
Developed C++ code so modsnake autonomously goes through holes in walls
2013 - 2013
lockheed martin
Software Intern
Agile Development Experience with Software Development Team and Test Team Perl and Python scripts for Data Access and Management Remapped package manager builds from Ant to Maven
2012 - 2012
cogent infotech
Intern
Created internal use Webform Resume Generator using HTML/ASP/SQL
2012 - 2012
cmu robotics institute
Robotics Research Intern
Developed Semantic Mapping (by Crowdsourcing) in Python to enable robot to learns its environment Developed Autonomous Mapping in C/Python to enable robot to create a simulation of its environment
Experience
34 Skills
Amazon Web Services (AWS)
apache
Application Programming Interfaces (API)
auditing
Backend
c
c++
customer service
english
html
infra
Infrastructure
java
javascript
Kafka
matlab
microsoft excel
microsoft office
microsoft word
MySQL
Payments
powerpoint
programming
public speaking
python
Python
research
social media
software development
Software Engineer
teamwork
Tokenization
Web
Web Services
Education
2011 - 2015
carnegie mellon university
Bachelor of Science (BS)
Computer Science
