Principal Data Scientist and Head of Data Science at Oorwin Labs Pvt. Ltd., Hyderabad, with 6 years of experience. Has worked on AI/NLP, recommendation systems, search (Apache Solr/SolrCloud), computer vision/OCR, data a…
Principal Data Scientist and Head of Data Science at Oorwin Labs Pvt. Ltd., Hyderabad, with 6 years of experience. Has worked on AI/NLP, recommendation systems, search (Apache Solr/SolrCloud), computer vision/OCR, data architecture, and deployment/hosting using Docker and cloud platforms (AWS/Azure/GCP). Also serves as a Live Session Expert/Mentor at Upgrad and has prior roles in NLP/speech and data science at Theatro Labs, Senseforth AI Research, and Infosys.
<p>Product Development & Project Management<br>
Team Building, Team Training<br>
AI models & server Deployment/hosting of our product services, maintenance<br>
Market, Customer and Business Analytics - Choosing next use cases, implementing new ideas, R&D<br>
Recommendation Systems, Personalized Recommendation, Text Similarity, Document Similarity, News detection<br>
Client interaction for continuous improvement<br>
Data Architecture And Design, Designing Approach, Building custom algorithms and custom frameworks<br>
Pre-screening Chatbots, Employer Chatbots<br>
Computer Vision based Video Interviews - emotion capture, video analysis, audio analysis, face verification, speech to text, etc.<br>
Client Data Migration - Automation</p>
Principal role
<p>Team Building and Training<br>
Developed Resume Parser, Job Description Parser, Email Parser, Document Parser, LCA Parser<br>
NLP Information Extraction, Intent detection, Topic modelling, Custom Entity extraction<br>
Email Classification, Document Classification, Domain Classification, Resume Classification<br>
NLP, Document conversions<br>
Implemented Keyword Search and Semantic Search for our Candidate Ranking System (accurate and fast indexing search) (Advanced search capabilities and filters)<br>
Implemented Candidate Matching & Ranking, Candidate Analytics<br>
Built Scraping Engines for our use case to grab jobs, candidate profiles, recruitment data/news<br>
Accurate Email verification and IMAP<br>
Computer Vision for OCR related information extraction from images, pdf parser, xml parser, box detection, entity detection and recognition<br>
Leveraged GPU for training on high-end algorithms fastly and accurately<br>
Recommendation System - Text similarity, Document Similarity, Industry specific similarity<br>
Data Architecture, Client Data Migration, Chatbots<br>
Data Mining, Data tagging, Data Analysis, Feature Selection & Model Selection, Model Building, Model Validation, Model threshold validation, log analysis<br>
AI Models Deployment - Dockerization of our product services and monitoring servers performance</p>
<p>Worked on Audio codec analysis (mainly for G711, Speex, Opus, AMR, Flac) for our ASR engine with respect to frame sizes, bit rates, sample rates, audio quality, etc., for our products / environments, requirements and end-to-end implementations<br>
Worked on NLP chatbot using Google Dialogflow & RASA - Streaming audio and integrated it with our product using GRPC CPP / Python Application<br>
Implemented it convert our command based product to free flowing human language product<br>
Text mining / analysis using Word2vec model, Words Movers distance algorithm, Fastext model, CRF model, LSTM - CNN models, Stanford Dependency parser<br>
Also implemented BIDAF (Bidirectional attention flow model) of Stanford Squad dataset</p>
<p>Developed Chatbots using NLP / NLU - GATE text engineering – Extracting intents/entities from text (randomized sentences written in different ways), scoring, making synonym module, antonym module, randomized time and date extraction module, phrase extraction modules, etc.<br>
Integrated all to my chatbot framework<br>
Worked on this for Banking, Telecom, IT-Support, Finance domains<br>
Implemented MIS Chatbot, which in summary stores context of previous queries of the user and also shows visualization for the finance related queries from the database<br>
Made and used vast number of modules using GATE at Senseforth for intent / phrases identification from query texts and documents<br>
Also worked with word2vec, fastext, WMD, dependency parser for text analysis using Python</p>
<p>Worked on Candidate Rankings and Candidate Comparison use case using Machine learning Random forest for our client data<br>
Created a Tableau visualization for it<br>
Worked on clustering usecase for telematic data to analyze achievable profits for the client<br>
Worked on telecom data to analyze achievable profits for the client - prescriptive analytics<br>
Worked on Email Sentimental Analysis problem for my client using Bag-of-words and Random forest model (Text Classification)<br>
Worked on fraudulent claim predictions, client subscription analysis - predictive analytics<br>
Worked on Chiller plants maintenance data using Linear Regression Analysis, Exploratory Analysis, Association Analysis to get the insights from data using R, Python and thereby detecting spikes of the plant - Descriptive analytics, EDA<br>
Worked on solving Cross-Site Scripting Vulnerabilities using Cold Fusion technology<br>
Worked on developing and enhancing the features of web applications using ASP.NET<br>
Worked on customer data and its intricacies using MS CRM and MS NAV tools. -2016</p>
<p>Mentoring & Training Students into Data Science, NLP, Doubt resolution, though leader<br>
Giving Live sessions, group sessions, concept wise course recordings, seminars, webinars on various AI topics</p>
<p>Support Chatbots, Pre-screening chatbots, domain specific chatbots<br>
PDF parser, invoice/bill parser POC<br>
BlockChain - Hyperledger Fabric based ASN - Advanced Shipment Notification - Supply Chain<br>
BlockChain - Hyperledger Fabric based Insurance Claim Settlement DApp<br>
Built FishCoin DApp using Ethereum BlockChain - which shows how trustworthy your fish is<br>
(Used solidity ethereum, truffle for this) - Personal Implementation</p>
<p>Building Hotel & Travel booking website - yennarascala.com<br>
Building transaction & asset Tokenization system using crypto</p>
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