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Chamingle – AI-Powered Collaboration Platform

Backend Engineer (Owner)Live Demo
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Overview

An AI-driven collaboration platform designed to help founders, developers, and creators discover teams, opportunities, and projects intelligently. Chamingle blends professional networking, startup hiring, and real-time collaboration into a single ecosystem, enabling users to connect, match, and build faster with AI-assisted discovery.

Key Features

  • End-to-end backend architecture designed and implemented from scratch
  • AI-powered team matching and project discovery engine
  • Multi-tenant system supporting founders, developers, and creators
  • Secure authentication and authorization using JWT and RBAC
  • Scalable messaging system for real-time user communication
  • Job posting and application workflows for startup hiring
  • Team creation and collaboration modules
  • Media upload and profile asset management using AWS S3
  • High-performance REST APIs optimized for scalability and growth
  • Centralized data modeling using SurrealDB for flexible relationships

Technologies Used

NestJSNode.jsReact.jsSurrealDBJWT AuthenticationRole-Based Access ControlAWS S3REST APIs

Challenges

Designing a scalable multi-tenant backend capable of supporting AI-driven matching, real-time messaging, and high user concurrency. Ensuring secure data isolation between tenants while maintaining API performance and extensibility for future AI features.

Key Learnings

Gained hands-on experience owning production-grade backend systems, designing scalable APIs, and managing complex data relationships. Strengthened skills in backend system design, cloud storage integration, performance optimization, and building platforms intended for rapid user and feature growth.

Nitish Jangra

© 2026 Developer Portfolio of Nitish Jangra