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Yuvraj Singh, Software Development Engineer

Typing SVG

SDE at Innovativus  ·  B.Tech CSE, VIT  ·  Uttarakhand, India

LinkedIn   Email   GitHub   Resume   Instagram   Profile views


Open Source

Seven projects, about 490k stars between them. Seven of my patches are merged upstream.
Mostly small correctness fixes in code I hit while building something else.


Project Pull requests

  huggingface/​transformers
Python · the model library

merged  #47509 Phi-4 Multimodal vision embedding init
merged    #47558 Pix2Struct attention sized from d_kv

  safedep/vet
Go · supply-chain scanner

merged  #757 Propagate GitHub org scan errors
merged  #760 Match npm registry by hostname, not full URL
closed  #761 Surface malicious package lookups that never completed

  fishaudio/​fish-speech
Python · TTS and voice cloning

merged    #1317 Honour the recursive flag in list_files()
merged    #1318 Dispatch on type, not tuple length
merged    #1319 Validate reference args up front

  calcom/cal.diy
TypeScript · scheduling

closed   #29954 Sort duration badges numerically

  n8n-io/n8n
TypeScript · workflow automation

closed   #20393 Timezone-aware date formatting across the frontend

  freebsd/​freebsd-src
C · FreeBSD source tree

closed   #2384 libusb: Validate arguments before dereferencing the hotplug context
closed   #2383 libusb: Fix NULL dereference when a hotplug callback deregisters itself

  processing/p5.js
JavaScript · creative coding

closed   #9027 Clarify p5.Vector is always 3-component

All pull requests  ·  Merged only


Featured projects


Autonomous AI Coding Agent
Python · LangGraph · RAG · pgvector

Plan–act–observe agent with tool use, long-term memory, observability and evals. 80%+ completion on multi-step coding tasks.

LLM Fine-Tuning & Eval Pipeline
PyTorch · Hugging Face · LoRA/PEFT · RLHF

Fine-tunes an open LLM on 10k+ examples (+25% task accuracy) and benchmarks 15+ checkpoints automatically.

Real-Time Crypto Exchange
Next.js · TypeScript · WebSockets · Redis

Live order book and candlesticks for 100+ pairs, streamed to 1,000+ concurrent clients. Live demo

Doodle Space
Next.js · Turborepo · WebSockets

Collaborative whiteboard with an infinite canvas and multi-user sync.

Connect Four
React · Node.js · Socket.IO · PostgreSQL

Real-time multiplayer with a bot, reconnection and a leaderboard. Play

Web-Based Wallet
React · Solana · Ethereum · BIP39/44

HD wallet for Solana and Ethereum in the browser. Live demo


Stack


Python, TypeScript, JavaScript, Java, Rust, Solidity, Bash


AI, LLMs and voice

PyTorch   Hugging Face LangChain and LangGraph OpenAI Twilio Voice
RAG with pgvector and Pinecone Fine-tuning with LoRA and RLHF Agents, tool use and evals Voice: F5-TTS, Supertonic, speech to text


Frontend
React, Next.js, Tailwind, Figma

Backend and data
Node.js, Express, Redis, Postgres, MongoDB, MySQL, Prisma

Infra
Docker, Kubernetes, AWS, GitHub Actions, Nginx, Grafana, Prometheus

Web3 and tooling
Git, Postman, Neovim, VS Code

Solana Ethereum


Activity


The same contributions as an isometric 3D city


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GitHub profile README: SDE building voice AI, LLM agents and real-time web apps.

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