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biswajeetdev/README.md

Biswajeet Kumar

AI engineer · Backend systems · Patna, Bihar

Python · Node · TypeScript · PyTorch · LLM infrastructure
Wabash College PPE + CS · IIT Patna Exec MBA

Currently Building

Project What
AI-Trader Autonomous paper-trading system — 15+ parallel signal sources, BULL/BEAR/ARBITER LLM debate engine, Thompson Sampling position sizer. Alpaca $100K + ai4trade $100K simulated
Friday Wake-word voice assistant — fully offline on M1 Mac, Whisper + Ollama + Piper TTS, persistent memory
YT Clipper Long-form video → 3 platform-ready shorts in <5 min via Whisper + LLM highlight detection + ffmpeg

AI Projects

Project What it does Stack
nano-transformer GPT-architecture transformer from scratch in ~300 lines — multi-head attention, cosine LR, top-k sampling PyTorch · Python
llm-router Auto-routes prompts to the right LLM tier (cheap/fast/smart) with cost tracking Python · FastAPI · SQLite
llm-evals Benchmark suite for factual Q&A, reasoning, and JSON extraction across providers Python · Anthropic · OpenAI
ai-trader Paper trading bot — LLM signals, Thompson Sampling position sizing, live Alpaca integration Python · FinBERT · Alpaca
doc-qa-ai RAG Q&A over any PDF — answers a 200-page doc in <2s Python · FAISS · sentence-transformers
ai-policy-summarizer Parses & compares policy PDFs into structured summaries Python · Groq · Streamlit

Backend / Systems

Project What it does Stack
finance-dashboard-api RBAC REST API — JWT, rate-limited auth, CORS-hardened, sub-100ms p99 Node.js · PostgreSQL · TypeScript
rdb-alpha Redis-protocol key-value store, 25 commands, zero dependencies Python · asyncio
application-automation Fills Greenhouse ATS forms from a YAML profile — screenshot-before-submit Python · Playwright
Calm Notes Full-stack wellness app with Stripe payments TypeScript · React · PostgreSQL

Open Source

PR Repo What
#8324 agno-agi/agno ⭐7.5k Fix: tool_call_limit infinite loop — all 4 run-loop variants patched

Skills

Stack: Python · PyTorch · Node.js · TypeScript · SQL
AI / ML: Transformers (from scratch) · RAG · LLM routing · FinBERT · Whisper · Ollama · Claude API
Infra: FastAPI · PostgreSQL · Alpaca API · Docker · n8n

GitHub Streak

Open to AI engineer · backend · founding engineer roles — India + remote
📍 Patna, Bihar · portfolio · thisisbiswajeetkumar@gmail.com

Pinned Loading

  1. Calm-Notes Calm-Notes Public

    Full-stack mindfulness journaling app with Stripe payments. TypeScript, React, PostgreSQL.

    TypeScript

  2. doc-qa-ai doc-qa-ai Public

    RAG Q&A over any PDF — local embeddings, FAISS, Groq. No OpenAI key required.

    Python

  3. finance-dashboard-api finance-dashboard-api Public

    Role-based REST API — JWT auth, RBAC, rate-limited routes, CORS-hardened. Node.js + PostgreSQL.

    JavaScript

  4. rdb-alpha rdb-alpha Public

    Forked from freeCodeCamp/rdb-alpha

    Redis-protocol key-value store in Python. 25 commands, zero dependencies, async I/O.

    Python

  5. ai-trader ai-trader Public

    Paper trading bot — LLM signals, Alpaca broker, yfinance data. 100K simulated account.

    Python

  6. ai-policy-summarizer ai-policy-summarizer Public

    Turns policy PDFs into structured plain-English summaries. Compare mode diffs two documents. Groq + Streamlit.

    Python