Résumé

Basics

Name Shubhashis Roy Dipta
Role PhD Student
Email sroydip1@umbc.edu
Phone (443) 889-3961

Work

  • 2021.01 - Present
    Graduate Research Assistant
    University of Maryland, Baltimore County

    Skills: PyTorch, Python, Hugging Face, Scikit‐Learn, LLM, SQL, Spacy, NLTK, Pandas, Numpy, Matplotlib, Seaborn, Weight & Biases, Hydra

    • Spearheaded a novel, hierarchical, semi-supervised event modeling framework, achieving up to 8.5% improvement over prior state-of-the-art approaches in 2 datasets and across 4 evaluation metrics. (Published on *SEM 23, ACL)
    • Pioneering first-of-its-kind multimodal counterfactual generation dataset (8k+ real-life events), merging text and images for nuanced alternate timeline, a novel contribution to counterfactual reasoning and multimodal real-life event understanding.
    • Collaboratively developing a Graph Convolutional Network for event understanding and reasoning on 2 complex datasets (250k+ data-driven event graphs), advancing research in the field of graph-based machine learning.
    • Mentoring and providing research guidance to an undergraduate who is a member of an underrepresented group in CS.
  • 2019.04 - 2021.01
    Full Stack Software Engineer
    Sapien.Network

    Tech Stack: Python, JavaScript, Elixir, Node.js, React, PostgreSQL, GraphQL, Redis

    • Multi-factor Authentication
    • Backend posts caching using Redis
    • Implemented Google ReCaptcha to prevent bots and frauds
    • Worked with elixir to implement a scalable chat messenger
    • Integrated kickofflabs for referral contest
    • Integrated sendgrid for 3rd party mailing service
    • Integrated ActiveCampaign for campaign management and marketing
    • Integrated OneSignal for push notification in iOS, Android & Web
    • Fixed a good number of Backend and Frontend issues
  • 2019.01 - 2021.01
    Founder & Chief Technology Officer
    UniShopr

    Tech Stack: Python, Node.js, React, PostgreSQL, GraphQL, AWS Lambda, AWS Lightsail

    • Single-handedly grew e-commerce to 1000+ active users and $40000/month orders.
    • Achieved a successful startup exit, securing a $50,000 sale, demonstrating strategic acumen.
  • 2018.10 - 2019.03
    Machine Learning Engineer
    Backpack

    Skills: PyTorch, Keras, Hugging Face, Large Language Model, NLTK, Python, MySQL, Elasticsearch, AWS EC2, Node.js, React

    • Boosted the sale by ≈23% by developing a product recommendation system using Product2Vec embedding.
    • Engineered a Chatbot combining AI algorithms with logic-based if-else, decreasing response time by ≈1 hour.
    • Decreased server cost by ≈10% by implementing an AWS Lambda-based ML pipeline for online learning.
    • Build a model to predict the dimension of a product from the known datasets which helped the traveller team to allocate the luggage by ≈20% more efficiently.
    • Implemented a microservice to refresh the inventory every 12 hours which is later fetched by Facebook Ads, decreasing marketing labour by ≈10%.
    • Implemented super menu on the e-commerce site to categorise products which helped ~60% users to find the right product more quickly.
    • Give a ≈110% better user experience on search using word embeddings.
    • Handled whole Facebook ads system, regarding this implemented many scripts and microservices
    • Implemented curation scripts to curate data from Amazon, Ebay or other US based e-commerce sites.

Education

  • 2021.01 - 2023.04
    MSc
    University of Maryland, Baltimore County
    Computer Science
    Grade: 4.00/4.00
  • 2021.01 - Present
    PhD
    University of Maryland, Baltimore County
    Computer Science
    Grade: 4.00/4.00

Languages

Bengali
Native speaker
English
Fluent

Interests

Programming 👨🏻‍💻
Photography 📸
Exercise 🏋️
Traveling ✈️