Abhishek Kumar Singh

🚀 💻 Software Engineer | ML Systems & Scalable Architecture

• 🎯 Building scalable backend systems for fintech & fraud detection
• 🧠 Strong focus on Graph ML, real-time pipelines, and explainable AI
• ⚙️ Love designing end-to-end architectures (API → DB → ML → UI)
• 📍 India

struct Abhishek {
    string focus = "Backend + AI Systems";
    vector<string> domains = {
        "Fraud Detection",
        "Fintech Infrastructure",
        "Graph Neural Networks",
        "Distributed Systems"
    };
    string current_mission = "Building production-grade AI systems";
};

Python, Neo4j, PyTorch Geometric, n8n

• 🔗 Unified 500+ accounts & 2,500+ transactions into entity graph
• 🤖 Hybrid GraphSAGE + GAT model for mule detection
• ⚡ Sub-second fraud alerts using automated pipelines
• 🔍 Explainability via SHAP + gradient XAI
• 🔐 Privacy layer using SHA-256 anonymization

Node.js, PostgreSQL, Redis, Python

• 💸 Simulated UPI, card, wallet flows
• 🧠 Built ghost transaction detector
• 📊 AI-powered ledger reconciliation system

Next.js, Node.js, TypeScript, MySQL, Prisma, Docker

• 🐳 Fully containerized with Docker Compose
• 🔐 JWT auth + role-based system
• 🤖 Integrated AI recommendations + chatbot

Next.js, React, TypeScript, Tailwind CSS

• ⚡ Build portfolios in under 2 minutes
• 🔗 GitHub auto-sync (90% manual effort reduced)
• 🧠 Dynamic dashboard + customization engine

🎓 B.Tech Computer Science — GGSIPU 📊 CGPA: 8.04/10