Nalin Gupta Email & Phone Number

Seattle, WA, US

- Developed customer representations using their engagement with Alexa which can be used to add personalization to proactive experiences.- Developing a personalized image generation tool for Alexa multimodal experiences.

Seattle, WA, US

• Worked with the Contextual Understanding team within Alexa AI which aims to improve the context carryover in multi-turn conversations.
• Developed a Multimodal Dialogue State Tracking system which can perform on-screen selection as well text-based slot carryover. The model is leveraged by Alexa to allow users to select on-screen products using visual.

Seattle, WA, US

Worked on the Contextual Understanding team within Alexa AI to implement zero-shot dialogue state tracking model using XLNet encoder and machine reading compression model predicting the active intent, requested slots and slot value for each user utterance achieving an average zero-shot slot value accuracy of 62%.

New York, NY, US

• Developed a NLP system providing opinions/insights corresponding to entertainment properties by users on twitter using dependency parsing and density-based clustering with 92% recall.
• Improved prediction model used to estimate box office revenue by incorporating new actor/director based features resulting in 5% lower mean absolute percentage error.
• Performed exploratory analysis for past two seasons of basketball viewership to identify key factors affecting TV ratings which aided in making decisions for the next season.
• Improved existing agent-based media mix model by incorporating covariance while assigning marketing channels to agents providing a more accurate view of the marketing landscape.

Boston, Massachusetts, US

DS5220 Supervised Machine Learning

New Delhi, IN

• [Spring 2018 - Human Computer Interaction]
• Designed assignments and exams for graduate level Human Computer Interaction (HCI) course on NPTEL (MOOC) with 267 students.
• Conducted lab sessions for contextual inquiry, affinity diagrams, photoshop and proto.io.[Spring 2018 - Anthropology of Social Media]
• Developed assignments and class activities for undergraduate level Anthropology of Social Media course with 160 students.
• Presented a lecture on "representation of gender and race in popular media".[Spring 2017 - Technical Communication]
• Developed and graded assignments and exam questions for undergraduate level technical communication course with 160 students.

New Delhi, New Delhi, IN

• Developed a novel NLP algorithm predicting sentiment of code-mixed text generated on Online Social Media which continues to provide real-time analysis for detecting spam propagation and sentiment about events
• Contributed to data analysis tool funded by Government of India and deployed at 75+ government security agencies
• Implemented a google chrome extension to help users control their linkability across various social media platforms using user attributes and posts content similarity.

Dubai, AE

• Improved text clustering algorithm for predictive maintenance by implementing text pre-processing algorithms along with word2vec model resulting in 26% higher recall
• Presented an analysis of flight delays (past 10 years) from DXB airport to the ‘Customer Satisfaction’ team suggesting improvements to recurring delay issues
• Analyzed airline sensor data to identify 12 predictors for wake turbulence in an aircraft.

New Delhi, IN

Developed a virtual net-banking website using Python and MongoDB incorporating a new security protocol involving mathematical transformations of regular OTPs to confirm transactions performed through net banking.

Worldwide, OO

Visualized timeline for migration of various processes run by a client’s core system with help of graphs and charts using R which aided in Deloitte securing client’s project.

New Delhi, IN

• Swarath aims at building an environment friendly autonomous car which would provide complete connectivity in Indian cities.
• Contributed to the planning and control module by developing a system for the path planning given a set of static obstacles using ROS.

New Delhi, IN

Developed a website using HTML, CSS and Javascript for the mentor program at IIIT Delhi.

Master Of Science - Ms, Data Science

Bachelor Of Technology (Btech), Computer Science And Engineering

All India Senior School Certificate Examination, Physical Sciences