Architectures built for real users, real traffic, and real constraints.
Detailed case studies of production systems I have designed and deployed. I break down the initial bottlenecks, the technical tradeoffs made along the way, and how each system held up under load.
Mudda Kendra: Legal Practice Management Platform
Designed, architected, and built a full-stack legal practice management SaaS from 0 to 1 as a solo engineer. Features cross-platform Flutter applications on iOS and Android with an offline-first Hive cache, backed by a FastAPI and PostgreSQL cloud infrastructure that schedules automated court hearing alerts and manages secure client document vaults.
Legal Retrieval and Semantic Search Engine
Engineered a specialized document retrieval and semantic search engine for law firms. The platform processes high-volume court filings and scanned briefs via asynchronous OCR, uses hybrid retrieval combining Pinecone dense vector indexing with OpenSearch lexical search, and enforces cross-encoder reranking with strict page-level citation validation to eliminate hallucinations.
Enterprise HRMS AI Assistant with Model Context Protocol (MCP)
Architected and built an enterprise AI assistant embedded into a Human Resource Management System using the Model Context Protocol (MCP). Implemented multi-layered role-based access control (RBAC), dynamic tool schema filtering based on user JWTs, PostgreSQL Row-Level Security, and immutable audit logging across payroll, leave, and hiring workflows.
High-Scale Real-Time Messaging and Encrypted Chat Infrastructure
Engineered a distributed real-time messaging platform supporting high-concurrency instant chat, channels, media delivery, and WebRTC calling. Built stateful connection gateways in Go and Node.js, backed by Apache Kafka for queueing, Redis Pub/Sub for inter-node routing, and Signal Protocol Double Ratchet End-to-End Encryption (E2EE).
E-Commerce Platform with Real-Time Tracking
Architected a high-concurrency retail platform featuring distributed checkout, real-time inventory locking, and live shipment tracking. The system normalizes third-party carrier webhook streams, delivers live status updates via WebSockets, and synchronizes real-time order context directly into Zendesk for customer support operations.
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