Feb 2022 – Apr 2024 · 2 yrs 2 mos · New York, United States

• Retrieval Engine - Indexing.

Oct 2016 – Nov 2019 · 3 yrs 1 mo · Hyderabad, Telangana, India

• Owner of Adaptive Learning Platform, a SaaS platform for AI-based applications for school students.
• Led a team of eight engineers for developing multiple educational products for students.
• Developed Computer Adaptive Tests for high-school math, science for a consumer base of ~100000 students of ~600 schools, using 2 Parameter Logistic regression, Expectation Maximization algo, Spark, MapReduce, UNCMIN optimization library, AngularJS, SpringBoot.
• Developed advanced tests for non-science subjects using Testlet Response Theory, EM algo.
• Developed full-syllabus tests using Knowledge Space Theory. Generated on-the-fly concept graphs using Redis.
• Implemented automatic question answering using Bi-Directional Attention Flow networks, Transfer Learning, TensorFlow (accuracy ~65%).
• Transcribed proprietary video content to text, for question answering, using Google’s Speech-to-text API.
• Implemented a Neural Network based model for matching questions with concepts & similar questions.
• Designed and developed a writing tool, using Dependency Parser of Stanford CoreNLP, that can detect and correct errors in English.
• Supervised the development of a pronunciation tool, using Librosa and scipy python libraries.
• Supervised the development of Learning Paths for students based on Reinforcement Learning (LSPI).

Jul 2015 – Sep 2016 · 1 yr 2 mos

• Developed a question answering service for customers and search for lawyers.

Apr 2014 – Jun 2015 · 1 yr 2 mos · Hyderabad

• Led a team of eight engineers developing online educational products of LearnNext.com with a customer base of ~20000 and a daily traffic of 10000 - 50000 users.
• Developed a question-answering forum (desktop, mobile, app), internal-use web apps using Struts, Java.
• Improved the profit margin of the products by 10%.
• Increased ARPU by 40% using location-based pricing, information gathering, price increase on website.

Apr 2012 – May 2012 · 1 mo · Bengaluru, Karnataka, India

• Programmed a stochastic calculus based model for stress testing measures like Value-at-Risk