Vishal Lakshmi Narayanan

Data Scientist

I’m Vishal Lakshmi Narayanan, a data science enthusiast who loves turning complex problems into simple, intelligent solutions. I explore how AI, analytics, and real-world data can work together to drive innovation and make technology more human.

Projects
19
Total
Hackathon Wins
3
Followers
1500+
Tech Stack
38
Domains
6
Vishal Lakshmi Narayanan portrait

Skills

Explore my technical skills as bubbles

Python
R
TensorFlow
PyTorch
Scikit-learn
Hugging Face
Julia
Tableau
Power BI
Streamlit
Matplotlib
Seaborn
Excel
D3.js
MySQL
SQLite
Redis
Docker
Apache Spark
Databricks
Apache Airflow
Supabase
HTML
CSS
JavaScript
TypeScript
React
Next.js
Tailwind CSS
Node.js
Express
MongoDB
Firebase
Vercel
Google Cloud Platform
Git
GitHub
Linux

Experience

  • Technical Officer

    Devlabs

    Arizona, United States
    Oct 2025 – Present

    Contributing to the AI-driven Builder Intelligence system for resume understanding, skill extraction, and candidate–job ranking using embeddings and vector search.

    • Designed and implemented components of the Builder Intelligence pipeline, powering semantic resume parsing, skill extraction, and ranking with vector search.
    • Assisted backend and AI workflow development across data processing, API integration, and pipeline automation connecting the Builder chatbot, MongoDB, and inference layers.
  • Data Analyst Intern

    Amrutanjan HealthCare Ltd.

    Chennai, India
    May 2023 – Jul 2023

    Analyzed 2017–2018 sales datasets using statistical modeling and Machine Learning to identify key trends.

    • Built and automated interactive dashboards, accelerating data-driven decisions across teams
    • Delivered actionable insights that improved forecasting accuracy by 15% and guided strategic planning
  • Research Intern

    VIT Chennai & Global Health Research and Innovations Canada

    Chennai, India
    Dec 2022 – Aug 2023

    Investigated edge computing and AR/VR in Internet of Medical Things to enhance healthcare equity and access.

    • Conducted a systematic literature review to evaluate feasibility and barriers present in digital health
    • Provided evidence-based recommendations that influenced research and promoted healthcare accessibility

Featured Projects

Click the arrow or press space to explore each project

TailRisk Python Package

TailRisk Python Package

Developed and published an open-source Python package for tail risk modeling with specialized loss functions (LaR, CVaR) and hybrid meta-learning ensembles. Improves tail coverage ratio by 76% over baseline models, available on PyPI with comprehensive documentation and scikit-learn compatibility.

Tech Stack

Python
scikit-learn
XGBoost
NumPy
PyPI

Tags

Python Package
Machine Learning
Risk Analytics
Open Source

Career Pulse

Career Pulse

Built an AI-powered resume-job matching platform using semantic embeddings and transparency scoring to match candidates based on capability rather than keywords. Developed dual portals for job seekers and recruiters, with automated candidate ranking, multi-criteria scoring, and AI-generated job-specific resumes via LaTeX.

Tech Stack

Python
Streamlit
Groq LLM
Sentence-Transformers
Plotly
LaTeX

Tags

AI
NLP
Semantic Search
Career Tech

Tail Risk Management

Tail Risk Management

Built a risk-aware ensemble framework for catastrophic insurance loss prediction using Loss-at-Risk (LaR) and CVaR optimization. Developed tail-focused meta-learners and a hybrid model that improved extreme-tail MSE by 3.2% and CVaR residuals by 10.25% over baseline models on 69K+ insurance claims.

Tech Stack

Python
scikit-learn
XGBoost
NumPy
Pandas
Jupyter

Tags

Machine Learning
Risk Analytics
Insurance
Ensemble Methods

Celestia AI

Celestia AI

Celestia AI turns maps into living worlds. Drop a marker anywhere and watch a holographic mascot bring the place to life with cinematic video loops, six fact cards, and real-time narration. Instead of reading static text, users step into a guided storytelling experience where culture, heritage, and history feel tangible.

Tech Stack

Next.js
Three.js
ReAct-globe
TailwindCSS
Typescript

Tags

AI
Exploration
Visual-UI
Accessibility

SlideSage AI

SlideSage AI

An AI-powered learning assistant that transforms dense concepts into short, dialogue-based explainer videos with quizzes, streaks, and badges. If a student doesn’t understand a concept the first time, SlideSage instantly regenerates with fresh analogies or examples until it clicks — making learning adaptive, fun, and addictive.

Tech Stack

Next.js
TailwindCSS
shadcn/ui
Groq
Pexels API
TypeScript
Vercel

Tags

AI
EdTech
Video

AI Travel Itinerary Planner

AI Travel Itinerary Planner

Engineered an AI-driven platform that generates optimized multi-day travel itineraries with real-time route refinement. Integrated cost estimation, weather forecasts, and interactive map visualizations, improving planning accuracy by 30%. Won People's choice Award for this project at Hackazona v0.1.

Tech Stack

Streamlit
Groq LLaMA
Python

Tags

AI
Travel
Optimization

Path2Pro – AI Job Portal

Path2Pro – AI Job Portal

Built an AI job-matching portal with semantic similarity scoring and automated resume parsing for 100+ applications. Developed secure recruiter/applicant dashboards with authentication, job posting, and real-time resume uploads.

Tech Stack

Python
Streamlit
SentenceTransformers
SQLite

Tags

NLP
Job Matching
AI

MAILY – AI Mailing & Scheduling Agent

MAILY – AI Mailing & Scheduling Agent

Developed an n8n AI agent that automates email and scheduling via Gmail, Calendar, and Sheets. Implemented contact verification workflows ensuring email addresses are validated before sending messages.

Tech Stack

n8n
Groq LLM
Google APIs

Tags

Automation
AI
Productivity

PhishGuard – AI-Based Phishing Detection

PhishGuard – AI-Based Phishing Detection

PhishGuard is a Chrome extension that uses AI and VirusTotal to detect phishing websites in real-time. Click the PhishGuard icon in the Chrome toolbar, choose “Analyze This Page,” and view the risk level and detailed recommendation in the popup.

Tech Stack

JavaScript
Chrome Extension
Llama (LLM)
VirusTotal API
HTML/CSS

Tags

Security
Browser Extension
AI

Diabetic Retinopathy Detection

Diabetic Retinopathy Detection

Built a Flask-based web application using EfficientNetB0 for medical image classification. Designed for low-cost, smartphone-compatible retina scans to support early diagnosis in rural healthcare settings.

Tech Stack

Flask
EfficientNetB0
Python
OpenCV

Tags

Healthcare
Deep Learning
Medical Imaging

Network-Based Malware Detection

Network-Based Malware Detection

Extracted network traffic features and trained machine learning models for real-time cybersecurity applications. Built a threat classification pipeline using supervised learning techniques.

Tech Stack

Python
scikit-learn
NetworkX
Pandas

Tags

Cybersecurity
Machine Learning
Network Analysis

Education

Arizona State University

Currently Pursuing
Tempe, AZ
Aug 2024 – Present
3.83 / 4.00
CGPA
18 / 18
Credits Earned
7
Projects
2
Hackathons Won

M.S. in Data Science, Analytics and Engineering

Key Coursework:

  • Statistical Machine Learning
  • Big Data Analysis
  • Data Mining
  • Data Processing

Vellore Institute of Technology

Completed
Chennai, India
Aug 2020 – May 2024
3.25 / 4.00
CGPA
160 / 160
Credits Earned
12
Projects
1
Hackathons Won

B.Tech in Computer Science (AI/ML Specialization)

Key Coursework:

  • Machine Learning
  • Deep Learning
  • Natural Language Processing

Awards & Recognition

1st Place — DevHacks S2 - DevHacks
1st Place — DevHacks S2

DevHacks

September 2025

Won 1st place for building SlideSage AI — an AI-powered learning assistant that transforms dense concepts into short, dialogue-based explainer videos with quizzes, streaks, and badges. If a student doesn’t understand a concept the first time, SlideSage instantly regenerates a new video with fresh analogies or examples until it clicks. The goal: make learning adaptive, fun, and addictive.

People's Choice Award - HackAZona v0.1
People's Choice Award

HackAZona v0.1

April 2025

Developed PlanWiseAI, an AI-based travel planner utilizing multi-agent systems to generate dynamic, real-time itineraries. Recognized for creativity and user-centered design approach.

Runner-Up - GIBots Hackathon
Runner-Up

GIBots Hackathon

February 2023

Built a machine learning solution for a real-world societal challenge. Demonstrated innovative thinking in AI deployment and impact-driven technology.

Moments Gallery

A glimpse into the hackathons, conferences, and milestones that shaped my path

Vishal Lakshmi Narayanan

Vishal Lakshmi Narayanan

Journey Through Tech

DevHacks S1

Publications

Health care equity through intelligent edge computing and augmented reality/virtual reality: A systematic review

Authors: Lakshminarayanan, V., et al.

Journal: Journal of Multidisciplinary Healthcare (2023)

View Publication

Blog

Insights and stories from my journey in tech, AI, and data science

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Contact

Get In Touch

Location

Tempe, AZ

Email

lvishal1607@gmail.com

Phone

+1-480-304-1340