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  • Joined Sep 8, 2026

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sunnyelabs/README.md

Hi there, I'm Sunny 👋

Senior Full-Stack & Distributed Systems Engineer

Specialized in Enterprise Microservices, Fintech Architecture (Saga Pattern), Real-Time Streaming (WebRTC / LiveKit), and Cross-Platform Mobile Apps (Flutter).

Email Location Focus Status

🚀 Core Engineering Capabilities

  • 🏛️ Microservices & Distributed Systems: Spring Cloud (Eureka, Config Server, Gateway), SAGA Pattern with RabbitMQ, Polyglot Architecture.
  • 💳 Fintech & Ledger Engineering: Idempotent Transaction Pipelines, Automated Commission & Split Payouts, Fraud Velocity Engine.
  • ⚡ High-Performance Backends: FastAPI (Asynchronous Python, SQLModel, Prisma, Pydantic v2), Spring Boot 3 (Java 21), PostgreSQL, MongoDB, Redis.
  • 📹 Real-Time Communication: LiveKit WebRTC video streaming, WebSocket messaging, low-latency live events.
  • 📱 Mobile Development: Flutter (Clean Architecture, GetX Pattern, ScreenUtil, Biometric Authentication, Hardware Sensor Integration).

🛠️ Tech Stack & Tooling

Languages:

Frameworks & Platforms:

Databases, Caches & Message Brokers:

DevOps & Infrastructure:

🌟 Key Featured Repositories

Domain Project Key Architecture & Tech Stack
🏦 Fintech micro-wallet 11-Service Distributed Microservices, Saga Pattern, RabbitMQ, Spring Boot 3, Postgres, MongoDB, Redis
🎥 Media & Social instalive WebRTC LiveKit live video streaming, coin economy, live gifting & chat (FastAPI + Flutter)
🛍️ E-Commerce nexprime-multivendor Multi-vendor marketplace, LiveKit video shopping, WebSocket chat & automated Stripe split payouts
🔄 SaaS & Finance subsync Automated recurring subscription detector, invoice PDF generation (Java 21 / Spring Boot 3 + Flutter)
🏬 Enterprise API grandmart High-concurrency async marketplace API, zero-DB-clutter Redis OTP, Alembic (FastAPI + SQLModel + Flutter)
💎 Field Survey otzar Geological specimen cataloging with GPS coordinates, compass heading, camera & biometric security

Popular repositories Loading

  1. sunnyelabs sunnyelabs Public

    Personal profile README for sunnyelabs

  2. micro-wallet micro-wallet Public

    Distributed Fintech Microservices & Digital Wallet Ecosystem built with Spring Boot 3, Spring Cloud, RabbitMQ (Saga Pattern), PostgreSQL, MongoDB & Redis

    Java

  3. instalive instalive Public

    Real-Time Live Video Streaming & Virtual Gifting Platform built with Flutter (WebRTC/LiveKit), FastAPI, MongoDB & Stripe

    Python

  4. nexprime-multivendor nexprime-multivendor Public

    Enterprise Multi-Vendor E-Commerce Platform with LiveKit Video Shopping, WebSocket Chat & Split-Vendor Stripe Payouts

    Python

  5. subsync subsync Public

    Automated Subscription & Recurring Expense Tracker SaaS built with Java 21 (Spring Boot 3.2), PostgreSQL & Flutter Mobile App

    Dart

  6. grandmart grandmart Public

    High-Concurrency Multi-Vendor E-Commerce Platform built with FastAPI (SQLModel/AsyncPG), Redis OTP & Flutter Customer App

    Python