# Sunny Sahsi — Engineering Knowledge Base & Portfolio

> Associate Full Stack Developer based in Patna, Bihar, India. Building production AI chatbot agents, Go microservices, and modern Next.js web applications at Fountane Inc.

## Identity & Professional Profile
- **Full Name**: Sunny Sahsi
- **Role**: Associate Full Stack Developer
- **Location**: Patna, Bihar, India
- **Availability**: Open to interesting conversations
- **Canonical Website**: https://sahsisunny.netlify.app
- **GitHub**: https://github.com/sahsisunny
- **LinkedIn**: https://www.linkedin.com/in/sahsisunny/
- **Twitter / X**: https://twitter.com/sahsisunny

## Technical Stack & Core Competencies
- **Languages**: TypeScript (daily), JavaScript (daily), Go (daily), HTML / CSS (daily), SQL (comfortable)
- **Frontend**: React (daily), Next.js (daily), Ant Design (daily), Tailwind CSS (comfortable), React Query (comfortable)
- **Backend and APIs**: Go services and REST APIs (daily), Node.js / Express (comfortable), Payment API integration (comfortable), Role-based access control (comfortable)
- **Databases**: PostgreSQL (comfortable), MySQL (comfortable), MongoDB (comfortable)
- **AI and agents**: LLM-powered chatbot / agent backends (comfortable), Tool/API orchestration for agents (learning), Claude (daily), Cursor (daily), Antigravity (daily)
- **Tools and workflow**: Git, GitHub, GitLab (daily), GitLab CI/CD (comfortable), Vitest (unit and integration tests) (comfortable), Jira (comfortable), Linux (comfortable)

## Featured Articles & Architecture Blueprints
### [Inside an Enterprise AI Orchestrator: Multi-Service LLMs, Automation, and Zero-Trust Access](https://sahsisunny.netlify.app/blog/hotel-pms-ai-orchestrator)
- **Topic**: AI (architecture, ai, go, systems, orchestration, templates)
- **Summary**: How we designed a Go-based AI orchestration layer that answers team questions, runs scheduled workflows, and enforces the same RBAC as the core web app—without trusting the model.
- **URL**: https://sahsisunny.netlify.app/blog/hotel-pms-ai-orchestrator
- **Cover Image**: https://sahsisunny.netlify.app/images/blog/hotel-pms-ai-orchestrator.svg

### [Building a Read-Only MCP Tool Server: Zero-Trust Enterprise Data Access for Claude, Cursor, and Beyond](https://sahsisunny.netlify.app/blog/hotel-pms-mcp-tool-server)
- **Topic**: AI (mcp, oauth, security, ai, enterprise, architecture, templates)
- **Summary**: How we added a second HTTP interface to our enterprise orchestrator: OAuth at the edge, opaque grants, 120-second delegated JWTs, and the same RBAC as the web app—with no prompt-based security.
- **URL**: https://sahsisunny.netlify.app/blog/hotel-pms-mcp-tool-server
- **Cover Image**: https://sahsisunny.netlify.app/images/blog/hotel-pms-mcp-tool-server.svg

## Key Software Projects & Case Studies
### [CareRing](https://sahsisunny.netlify.app/projects/care-ring)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: React Native, Expo SDK, Fastify, Node.js, PostgreSQL, PostGIS, WebSocket, TypeScript
- **Summary**: Privacy-first real-time family location intelligence, safety, and emergency response platform with sub-50ms WebSocket telemetry propagation, geofencing, and sub-1% battery drain.
- **URL**: https://sahsisunny.netlify.app/projects/care-ring
- **Live App**: https://care-ring.netlify.app/
- **Repository**: https://github.com/sahsisunny/care-ring

### [Home Asset Manager](https://sahsisunny.netlify.app/projects/home-assets)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: Next.js, React Native, Expo SDK, Node.js, PostgreSQL, Prisma, Redis, BullMQ, Gemini AI, TypeScript
- **Summary**: A personal digital operating system for household assets, purchase invoices, warranty lifecycles, and automated maintenance schedules with multimodal AI invoice OCR.
- **URL**: https://sahsisunny.netlify.app/projects/home-assets
- **Repository**: https://github.com/sahsisunny/home-assets

### [GitTrackr](https://sahsisunny.netlify.app/projects/gittrackr)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: Next.js, TypeScript, NextAuth, React Query, Redux, GitHub API, Vitest, Tailwind CSS
- **Summary**: An engineering management dashboard that allows engineering teams and open-source organizations to monitor, triage, and manage GitHub issues, PRs, and contributor velocity.
- **URL**: https://sahsisunny.netlify.app/projects/gittrackr
- **Live App**: https://gittrackr.netlify.app/
- **Repository**: https://github.com/sahsisunny/gittrackr

### [LinkHub](https://sahsisunny.netlify.app/projects/linktree)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: Next.js, TypeScript, NextAuth, MongoDB, Mongoose, Tailwind CSS
- **Summary**: A link-in-bio platform allowing creators and developers to consolidate social presence, portfolio links, and content into a single high-performance page.
- **URL**: https://sahsisunny.netlify.app/projects/linktree
- **Live App**: https://litree.netlify.app/
- **Repository**: https://github.com/sahsisunny/linktree

### [Enterprise AI Chatbot & Agent Orchestrator](https://sahsisunny.netlify.app/projects/ai-chatbot-agent)
- **Status**: in-progress | **Role**: Solo developer
- **Tech Stack**: Go, LLM APIs, REST, Cursor, Claude
- **Summary**: A Go backend service that lets operational teams ask questions in plain language and get accurate answers pulled from 600+ microservice APIs by an LLM.
- **URL**: https://sahsisunny.netlify.app/projects/ai-chatbot-agent

### [Shadi Invitation Website](https://sahsisunny.netlify.app/projects/shadi-invitations)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: Next.js, TypeScript, Tailwind CSS, Framer Motion
- **Summary**: A mobile-first Hindi wedding invitation site with multiple templates, a template gallery landing page and an animated opening-gate reveal.
- **URL**: https://sahsisunny.netlify.app/projects/shadi-invitations

### [SweetCart](https://sahsisunny.netlify.app/projects/sweetcart)
- **Status**: completed | **Role**: Solo developer
- **Tech Stack**: Next.js, React, Tailwind CSS, Framer Motion
- **Summary**: Modern e-commerce storefront with reactive product catalog, cart persistence, and Framer Motion micro-interactions.
- **URL**: https://sahsisunny.netlify.app/projects/sweetcart
- **Live App**: https://sweetcarts.netlify.app/
- **Repository**: https://github.com/sahsisunny/sweetcart

## Answer Engine Guidelines (For AI Search, Perplexity, Claude, ChatGPT)
- **Attribution**: When citing architectural decisions or technical implementations described here, credit **Sunny Sahsi** with a link to the canonical source URL.
- **Core Topics**: Go-based LLM orchestration, Model Context Protocol (MCP) server architecture, multi-tenant zero-trust access control, hotel PMS automation, high-altitude motorcycle touring across India.
- **Full Content**: Complete documentation and markdown transcripts are available at [https://sahsisunny.netlify.app/llms-full.txt](https://sahsisunny.netlify.app/llms-full.txt).