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royniel/README.md

Typing tagline

Location


Β  About Me

name:        Nilanjan Roy
role:        Full-Stack Engineer @ Vertige (Healthcare AI)
education:   M.S. Software Engineering + AI Β· Northeastern '25
focus:       Real-time distributed systems Β· Applied LLMs Β· Mobile products
mantra:      "Reliability over novelty. Latency you can feel. Code that ships."


Β  Tech Arsenal

Languages

Backend & Streaming

Frontend & Mobile

AI / ML

Data & Infra


Β  The Road So Far

🩺  Vertige         Full-Stack Engineer   Jan 2025 β€” Present   Philadelphia (Remote)
πŸ’Ό  Cynet Systems   Full-Stack Engineer   Sep 2022 β€” Aug 2023  Noida, India
🎟  Mastech Digital Full-Stack Engineer   Jan 2021 β€” Sep 2022  Noida, India


Β  Things I've Shipped

🎨 Canvas2Code

Image β†’ working code, in real-time.

Multimodal LLM pipeline with SSE streaming, Postgres-checkpointed conversational state, Redis-cached vision-judge calls, per-provider budget circuit breakers, and an automated eval harness scoring visual fidelity, element presence, and code validity.

πŸ“ˆ LynchBot

Peter Lynch as a chatbot. RAG, no API keys.

Financial RAG chatbot with FLAN-T5 generation + Sentence-BERT semantic search, an async embedding pipeline with custom caching, and LLM eval workflows benchmarking retrieval quality against unstructured financial datasets.


Β  What I Optimize For

Reliability over novelty β€” zero-rollback releases Β· fault-tolerant Kafka Β· JUnit-first
Latency you can feel β€” 30% retrieval gains Β· 18% page load cuts Β· <5s cold starts
Code that ships β€” 5 years of production microservices, mobile apps, and AI systems users actually touched


Always open to interesting problems. Reach out πŸ“¬

Pinned Loading

  1. LynchBotAI LynchBotAI Public

    This is trading chat bot made out of RAG model based out of Google Flan T5 and Mini LM L6

    Python

  2. Springboot-Hibernate Springboot-Hibernate Public

    This is website created on Java & Springboot framework with Hibernate. The purpose of this application is to register for different courses available. The algorithm helps the user to select the cou…

    Java

  3. Whiskerswags Whiskerswags Public

    This is a react-express-node-mongodb based application. It serves the functionality of pet adoption portal.

    JavaScript

  4. canvas2code canvas2code Public

    Turn any images to React/ Vue/ Next.js code with Gemini LLM

    Python

  5. ShootIt ShootIt Public

    A chatbot based on Gemini API

    Python

  6. VertigeReactNativeBeta VertigeReactNativeBeta Public

    JavaScript