Final-Year Master’s Student · Specialization in AI

Ishan Chakrabarti

I build reliable AI systems, local-first intelligent products, and production software—combining research depth with practical engineering.

Explore my workView GitHub
01 · Experience

Engineering across AI, cloud, mobile, and production systems.

SUMMER 2026

Software Engineering Intern

CrossRoads

  • Hardened a Flutter/Dart + AWS social platform for public launch, eliminated bundled-secret exposure, and authored SpacetimeDB realtime release gates with unit tests and certification runbooks.
  • Built privacy-preserving, offline-resilient authenticated sync for recommendation signals and integrated in-feed ad monetization.
SUMMER 2024

Summer Intern

LTIMindtree

  • Designed CI/CD pipelines for automated VM provisioning and Kubernetes deployments on Microsoft Azure using Docker and YAML.
  • Resolved SSH authentication and image-pull failures; documented Azure CLI and AKS deployment workflows for development teams.
SPRING 2022

Intern

ATION Studios

  • Directed a five-person cross-functional team producing animated sequences and integrating assets with Blender.
  • Led the final stakeholder presentation on production methods and creative decisions.
02 · Projects

Systems built to be measurable, efficient, and useful.

March 2026

Hallucination-Resistant Multi-Hop Q&A

93% BERTScore F1

Built an evidence-based RAG pipeline on HotpotQA with BM25 + FAISS hybrid retrieval, BAAI/bge-reranker-v2-m3 reranking, citation selection, and LLM-powered query decomposition. Ran local inference with Gemma4:31b via Ollama and qwen3-embedding:8b.

RAGBM25FAISSCross-encoderOllama
April 2026

Wine Explorer

Voice-enabled FastAPI app with Whisper STT, streaming Qwen 2.5:7B responses, browser TTS, self-correcting analytical pandas code, hybrid RAG, intent extraction, and zero cloud APIs.

FastAPIWhisperQwenHybrid RAG
January 2024 · Patent filed

N.O.V.A

Local-first AI writing assistant built with Python, Flask, Vue.js, and Electron. Added sliding memory, streaming for sub-five-second responses, tunable inference, SHA-256 encryption, and secure local storage.

PythonVue.jsElectronLocal AI
October 2025

Go Player

5×5 Minimax agent with alpha-beta pruning, fast legal-move generation, and heuristic evaluation across liberties, eyes, connectivity, and captures. Achieved approximately 80% win rate.

MinimaxAlpha-betaGame AI
July 2025

Handwritten Text Generator

Trained a DDPM diffusion model on 85,000 alphanumeric MNIST examples. Optimized a menu-driven inference workflow to generate custom text in under seven seconds.

DDPMDiffusionPyTorch
September 2025

GA Map

Genetic Algorithm route optimizer using path-as-chromosome encoding, selection, crossover, and mutation. Ranked 17th among 240 students.

Genetic AlgorithmOptimization
March 2023

Omni-Watch

WearOS app with 1,000+ configurable visual and interaction combinations, optimized rendering, asset preloading, and audio. Reached 140+ closed-testing users.

WearOSJetpack ComposeAndroid
03 · Research

Applied research with real-world accountability.

Publications & patent

Diabetic Retinopathy Classification using Transfer Learning and CBAM-enhanced MobileNetV2

Five-stage Messidor-2 classification; improved accuracy from 80% to 85%.

Submitted to IEEE
Unveiling Blockchain’s Role in Cultivating Responsible Food Supply Chains

Transparency, traceability, accountability, and sustainability across agricultural supply chains.

IJEMH · April 2025
N.O.V.A Patent Application

Indian Patent Office application no. 202641027824.

Patent filed

Education & certifications

University of Southern California

M.S. Computer Science, Artificial Intelligence · CGPA 3.60/4.00 · August 2025–May 2027 expected.

B.Tech, Computer Science & Engineering

CGPA 3.61/4.00 · 2021–2025.

AWS AI PractitionerAWS Cloud PractitionerGoogle Cloud Digital Leader
04 · Skills

A practical stack for intelligent products.

AI & ML

PyTorch, TensorFlow, Keras, diffusion models, RAG, Hugging Face, Scikit-learn, FAISS, BM25

LLM Systems

Ollama, llama.cpp, OpenAI Codex, Claude Code, Whisper API, local inference and streaming

Cloud & DevOps

AWS Lambda and RDS, Docker, FastAPI, Auth0, Git/GitHub CI, Azure, AKS

Product Engineering

Python, C/C++, Java, React, Vue.js, Flask, Django, Node.js, Flutter, Dart, Riverpod