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SmAshraful/README.md

Hi, I'm Ashraful 👋

Full Stack Engineer @ Core Devs Ltd — Node.js · TypeScript · React 📍 Dhaka, Bangladesh

I build backend systems that stay up: real-time trading platforms, AI automation pipelines, and e-commerce backends. 4 years in TypeScript/Node.js — 3+ of them owning systems end to end, from architecture to deployment to production support.

Most of my production work lives in private client repos, so here's what it is and where it runs:

🚀 Production systems I've built

System What it does Where
Real-Time Trading SaaS REST + WebSocket services for trade execution, account management & portfolio sync — 300 concurrent traders, ~1,000 orders/day through Binance & Bybit integrations cefi.kvants.ai
AI Trading Automation Ingests trading-halt news + live market data → AI sentiment analysis → auto-places orders that pass user-defined profitability rules private (client)
Content-Generation Platform Microservices architecture I designed: keyword-driven search → OpenAI generation → grammar / duplication / SEO quality gates → automated publishing private (client)
Telegram Signal Trading Engine Parses Telegram trade signals and places orders across all connected accounts — separate paper-trading & live-trading modes private (client)
Blockchain E-commerce Crypto payments, token purchase & staking, plus PayPal workflows and an automated raffle system meanaraptor.vercel.app
Sundarban Honey BD Complete e-commerce backend for a local retailer — 1,000+ regular customer orders sundarbanhoneybd.com

The pattern in everything I build: hard third-party integrations — exchanges, OpenAI, Telegram, PayPal, blockchain — turned into boring, reliable production systems. Redis caching cut our trading API response times by roughly two-thirds. Zero unplanned downtime since deployment.

🛠 Stack

Core: TypeScript · Node.js · NestJS · Express · React · Next.js Data: PostgreSQL · MongoDB · Redis · WebSockets Ops & Quality: Docker · AWS (EC2, S3, Lambda) · Nginx · GitHub Actions · Jest

Tech stack icons

On the side: exploring Rust (async services, CLI tools) and Python automation.

🧭 How I work

  • Architecture first — design the system, then write the code
  • Metrics over adjectives — if I can't measure it, I don't claim it
  • Mentoring through code review in a ~10-engineer team

📫 Reach me

📧 smashraful.dev@gmail.com · 💼 LinkedIn · 🌐 Portfolio

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  1. Sentiment-Driven-Trading-Backend Sentiment-Driven-Trading-Backend Public

    Event-driven trading backend — NestJS microservices over TCP + Redis, BullMQ scheduling, Postgres persistence. Sentiment scoring → risk gating → execution, running on a simulated market. docker com…

    TypeScript

  2. copy-trade-engine copy-trade-engine Public

    Automated crypto copy-trading platform backend — Node.js/Express, MongoDB change streams, a sharded worker pool, and AES-256-GCM secret encryption. Runs end-to-end with `docker compose up` and zero…

    JavaScript

  3. ai-powered-content-maker-microservice ai-powered-content-maker-microservice Public

    AI-assisted content creation & SEO platform built as a Node.js/Express microservice architecture (API gateway, RabbitMQ, MongoDB). Runs fully end-to-end with zero API keys via a built-in demo mode …

    JavaScript