Case Studies
Explore technical case studies by Sahil Bhanvadiya — full-stack engineering, healthcare AI, enterprise SaaS, FHIR pipelines, LangGraph agents, and cloud-native platforms.
Healthcare & AI
AI-Powered Precision Medicine & Health Navigation Platform
Designed FHIR R4-compliant data pipelines and a multi-agent LangGraph system to translate complex clinical records into plain-language, personalized treatment navigation for 500K+ medical records.
Node.jsReactNext.jsFHIR R4LangChainLangGraphRead case studyHealthcare & AI
AI Triage & Intake System for a Precision Wellness Platform
Architected a secure full-stack wellness platform with a LangGraph-powered AI triage agent, RAG-backed health coaching, and real-time Socket.io handoffs between patients and human coaches.
ReactNext.jsNode.jsPostgreSQLLangChainLangGraphRead case studyHealthcare
Connected Enterprise EMR & Telehealth Platform
Built a unified cloud healthcare platform linking EMR and CHR modules with real-time vitals monitoring, Socket.io messaging, and embedded telehealth for collaborative remote care.
ReactNext.jsNode.jsPostgreSQLAWSSocket.ioRead case studyEvent Management
Multi-Platform Event Management & Brand Engagement Ecosystem
Led end-to-end development of a multi-platform event ecosystem with tiered ticketing, staff mobile redemption tools, and multi-tenant brand engagement across web, admin, and mobile apps.
ReactNext.jsNode.jsMongoDBAWSRead case studyFintech & Analytics
Real-Time Cryptocurrency Mining & Analytics Dashboard
Built a high-frequency mining analytics dashboard with a Node.js data aggregation engine and optimized React/Redux frontend for zero-lag profitability tracking across live market feeds.
ReactReduxNext.jsNode.jsRESTful APIsThird-Party Data FeedsRead case studyEdTech
Enterprise Suite for International Credential Evaluation
Led architecture of three interconnected EdTech SaaS products—a global evaluation database, secure document sharing portal, and algorithmic GPA conversion engine serving 200+ countries.
ReactNext.jsNode.jsPostgreSQLMongoDBAWSRead case studyEnterprise SaaS & AI
AI-Powered Construction Market Intelligence & Sales Automation
Engineered an AI-powered construction intelligence platform processing 12,500+ daily market updates across 180K+ projects with LangGraph agent orchestration and integrated sales automation.
ReactNext.jsNode.jsPostgreSQLLangChainLangGraphRead case studyReal Estate
High-Performance Digital Real Estate Platform
Developed a high-traffic real estate platform for a major regional brokerage with 15-minute listing sync, advanced property search, and a unified franchise ecosystem serving 1,500+ agents.
ReactNext.jsNode.jsPostgreSQLAWSRead case studyE-commerce & Local Advertising
Building a Community-Centric Local Deals & Business Promotion Platform
Built a dual-sided marketplace with frictionless mobile coupon browsing for shoppers and a streamlined vendor SaaS dashboard for local businesses to publish promotions without sign-up barriers.
React NativeNext.jsNode.jsMongoDBAWSRead case studyInsurTech
B2B InsurTech Platform for Commercial Quoting & Broker Automation
Engineered a B2B InsurTech SaaS platform replacing manual PDF workflows with dynamic smart applications, real-time multi-carrier quote aggregation, and automated coverage comparison for insurance brokers.
ReactNext.jsNode.jsPostgreSQLREST APIsAWSRead case study