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1rishuraj/README.md

Hey, I'm Rishu Raj 👋

Solana Protocol Engineer • Rust Systems • Full-Stack (Next.js/Node)

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🚀 About Me

  • 🛡️ Trained as a Rust Security Auditor through the Rektoff × Solana Foundation Apprenticeship (Top 3% of 4,000+ applicants).
  • 🌪️ Turbin3 Accelerated Builder — building advanced DeFi primitives and decentralized state machines.
  • 🦀 Learning Rust and Full Stack everyday to become better
  • ⚡ Exploring Low-Latency Systems: Building lock-free data structures (MPMC/SPSC queues), custom spinlocks, and mastering CPU cache coherence, memory barriers, and the MESI protocol.
  • 🏆 Recent work: StrikeBiller (decentralized subscription engine) and PulseRaise (LST-yield crowdfunding).

📦 Featured Proof of Work

Repository / Project Description Stack
bounded-mpmc-queue High-performance, lock-free Multi-Producer Multi-Consumer queue sustaining 63M+ ops/sec on Intel i5-12450H under WSL2. Built with Vyukov's ring buffer algorithm — zero OS scheduling overhead. Rust, Atomics, stdlib only
StrikeBiller Decentralized subscription billing engine reframing Solana as a backend state machine. Replaces Web2 cron jobs with trustless PDAs, escrow vaults, and an off-chain lazy-execution cranker bot. Solana, Anchor, Next.js, Node.js
PulseRaise Decentralized crowdfunding dApp with dynamic platform fees and idle-capital yield generation via CPIs to Jito Liquid Staking pools. Solana, Anchor, Next.js, SPL-Stake-Pool
rust-anchor Comprehensive library of core Solana contracts and concept-based Anchor programs. Rust, Anchor, Native Solana
PaytmNext Wallet High-throughput P2P wallet with bank on-ramps, idempotent webhooks, and atomic financial transactions via PostgreSQL row-locking. Dockerized CI/CD to AWS EC2. Next.js, Express, Prisma, Docker, AWS

🛠️ Core Tech Stack

Systems & Smart Contracts

Rust Anchor Solana Web3.js

Frontend & Backend

TypeScript Next.js React Node.js Express.js TailwindCSS

Cloud & Database

AWS Docker PostgreSQL Prisma

📈 GitHub Activity & Problem Solving

github streak
LeetCode 429 problems solved

🌐 Let's Connect

LinkedIn X Email Bluesky

"Build. Ship. Iterate. Repeat."

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  1. strikebiller strikebiller Public

    ⚡ A decentralized subscription billing engine on Solana. Replaces Web2 cron jobs with trustless PDAs, escrow vaults, and lazy execution.

    TypeScript

  2. bounded-mpmc-queue bounded-mpmc-queue Public

    A zero-dependency, lock-free bounded MPMC ring buffer written in standard Rust.

    Rust 2

  3. T3 T3 Public

    Solana Turbin3 Builders Q1 2026 - My learnings while building contracts on Solana

    TypeScript

  4. PaytmNext-Wallet PaytmNext-Wallet Public

    Full-stack payment wallet app with OnRamp transactions (bank to wallet), Peer-to-peer (P2P) wallet transfers, Transaction history and CI/CD via Docker, deployed to AWS EC2

    TypeScript 1

  5. low-latency-rust low-latency-rust Public

    Hands on low-level concurrency primitives and systems code in Rust.

    Rust 10 2

  6. PulseRaise PulseRaise Public

    A decentralized Solana crowdfunding protocol with native JitoSOL liquid staking yield.

    TypeScript