Hi 👋, I'm Joy Tank

Lead Full Stack Engineer | AI Systems Builder | Cloud-Native Architect 🚀

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👨‍💻 About Me

• 🚀 5+ years building scalable, cloud-native & fault-tolerant systems
• 🧠 Designing & deploying LLM-powered AI agents and multimodal AI applications
• 🏗️ Architecting microservices & event-driven systems handling high concurrency
• ⚡ Optimizing APIs & frontends with performance improvements up to 90%
• 📈 Scaling platforms to support 1M+ concurrent users with high availability
• ☁️ Working across AWS, GCP & modern cloud-native architectures
• 🔐 Implementing secure systems using OAuth2, JWT & RBAC
• 🐳 Building containerized applications with Docker & production-grade deployments
• 🧩 Strong focus on clean architecture, system design & maintainable code
• 🎯 Product-minded engineer who builds systems with real business impact

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🛠️ What I Work With

Languages

• JavaScript | TypeScript | Python

Frontend

• Angular (v9–16) | React.js | Next.js | Ionic (Capacitor) | TanStack

Backend

• Node.js | NestJS | ExpressJs
• REST APIs | GraphQL APIs
• Microservices & Event-Driven Systems

Cloud & DevOps

• AWS | GCP | Azure (basic)
• Docker
• NGINX | PM2
• AWS SQS | AWS SNS
• CI/CD Pipelines

Databases

• PostgreSQL | MySQL | MongoDB | Supabase | Firebase | Redis | Elastic Search

Security

• OAuth 2.0 | JWT | RBAC | API Security

AI & Advanced Systems

• LLM-based AI Agents
• Multimodal AI (Text + Vision)
• Prompt Optimization Systems
• MCP Server Integrations
• AI Voice Systems (STT + TTS + Streaming)

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🚀 Highlight Projects

🔹 High-Scale Voting Platform

• Handled 1M+ concurrent users
• Processed crores of transactions with zero downtime
• Designed load-balanced infrastructure with DB replicas

🔹 AI Fitness Agent

• Built personalized AI-driven coaching system
• Improved adherence by 85%
• Integrated LLMs with structured workflows

🔹 Background Verification Microservices

• Event-driven architecture using SNS/SQS
• Reduced processing time through async workflows

🔹 Docker-based Code Execution Engine

• Secure sandboxed code runner
• Scaled to 300+ concurrent executions
• Reduced container spin-up time by ~40%

🔹 Low-Latency AI Voice Assistant

• Sub-500ms response time
• Real-time streaming architecture
• Improved conversation reliability by ~30%

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📈 Engineering Impact

• ⚡ Improved API & UI performance by up to 90%
• 📊 Boosted user onboarding growth by 25,000+ users in 3 months
• 📉 Reduced system turnaround time through workflow automation
• 🧩 Designed scalable architectures with 99.8% uptime

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💬 Ask Me About

• Full Stack Architecture
• AI Agents & LLM Integrations
• Microservices & Event-Driven Systems
• Performance Optimization
• Scalable SaaS Platforms

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📫 Connect With Me

📧 Email | LinkedIn

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⚡ Fun Fact

I love solving complex engineering problems and turning ideas into scalable products.

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