Nirvish

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AI Solutions Architect

Full-Stack Developer

Engineering Autonomous Revenue Assets

Who I Am

I am Nirvish, an AI Solutions Architect and Full-Stack Developer dedicated to engineering high-performance digital ecosystems. My work sits at the intersection of complex automation and human-centric design.

I don't just build websites or bots; I build autonomous revenue assets that solve specific business bottlenecks. With a core focus on integrity and technical precision, I help professionals in high-stakes industries—like Immigration and SaaS—establish digital authority through secure, scalable, and intelligent systems.

My Philosophy

Every project I undertake follows a 'Security-First' and 'No-False-Claims' policy. I provide transparent engineering—clear technical specifications, measurable ROI, and reliable performance.

I am not a generalist; I am a specialist for those who require high-trust systems where failure is not an option. My goal is to enhance your operational clarity and give you back your time by automating the chaos.

AI-Powered

Systems

Android

App Development

Security-First

Architecture

Full-Stack

Development

Experience & Education

Building the Future, One System at a Time

Education

Diploma in Computer Engineering

Currently Pursuing

Mastering foundational and advanced computer science concepts with hands-on experience in software development, system architecture, and modern technologies.

Work Experience

Lead Flutter Developer & App Architect

Crevoxega (Self-Employed)

January 2026 – Present

Current Focus

Leading the design and development of high-performance mobile applications using Flutter. Focused on creating seamless user experiences integrated with advanced analytics and local-first data management for productivity and retail logistics.

Flutter Dart SQLite Firebase Clean Architecture

Key Milestones

  • Aura: Engineered a personal habit tracker with complex task logic and detailed progress analytics.
  • Inventory Pro: Built a specialized inventory management system for clothing retail shops to streamline stock tracking.
  • Developed reusable UI component libraries to reduce development time for future client projects.

Lead Backend & AI Developer

Crevoxega (Self-Employed)

January 2025 – May 2025

Engineered a comprehensive WhatsApp Business automation ecosystem using Python (FastAPI) and Meta's Graph API. Developed a custom RAG (Retrieval-Augmented Generation) architecture to enable context-aware AI responses for businesses.

Python FastAPI RAG WhatsApp API AES-128 JWT

Key Achievements

  • Implemented enterprise-grade security (AES-128, JWT)
  • Deployed automation for restaurants, bakeries & retail
  • Streamlined order processing and customer support

Systems Architect

Independent Specialist

March 2025 – April 2025

Architected a secure, scalable CRM automation engine integrated with Firebase/Firestore. Developed a background task manager that monitors customer lifecycles and triggers automated renewal notifications via WhatsApp API.

Firebase Firestore Python Async Processing WhatsApp API

Key Achievements

  • Designed and implemented a secure, scalable CRM automation engine
  • Implemented high-concurrency asynchronous processing
  • Developed a background task manager for lifecycle monitoring

Full-Stack AI Engineer

Project-Based / Freelance

July 2025 – December 2025

Designed and deployed an AI-powered chat widget for professional portfolio websites. The system utilizes Large Language Models (LLMs) to qualify leads in real-time and provide instant technical support.

LLM RAG RESTful API Thread-Safe Caching JavaScript

Key Achievements

  • Optimized for low-latency performance
  • Built 24/7 digital assistant for client engagement
  • Automated initial client inquiries and lead qualification

Technical Stack

Android Dev

Flutter, Dart, SQLite3

AI Solutions

RAG, LLMs, Gemini API

Backend

FastAPI, Python, Firebase

Security

AES-128, JWT, Rate Limiting

What I Offer

Specialized Solutions for High-Stakes Industries

Core Expertise & Technical Stack

My expertise is built on a foundation of modern engineering principles. I specialize in developing robust backends using FastAPI and Python, ensuring every system is fast, secure, and ready to scale.

AI & RAG Systems

Designing custom Retrieval-Augmented Generation (RAG) agents that utilize private data to provide cited, accurate support without hallucinations.

Data Security

Implementing industry-standard AES-128 bit encryption and JWT (JSON Web Tokens) to protect intellectual property and sensitive client documentation.

Real-time Integration

Leveraging Firebase for state-aware memory and WhatsApp Business API for seamless, automated client communication.

Flutter App Development

Architecting high-performance, Android mobile applications with native-level fluidity and robust local-first data architectures.

The Triple Pillar

Three specialized service categories designed to work in harmony or as standalone solutions

01

Custom Android App Development

High-performance mobile solutions built with Flutter. Whether it's a productivity tool like Aura or a retail Inventory Manager, I build apps that are fast, beautiful, and architecturally sound.

Android (Single Codebase) Advanced Analytics Integration Local-First Data Storage Seamless User UI/UX
Watch App Demos
02

Intelligent Onboarding Widgets

RAG-powered AI assistants that sit inside SaaS dashboards or membership areas to guide users and reduce support tickets.

24/7 instant support Context-aware responses Reduces support workload Real-time lead qualification
Watch Demo Video
03

WhatsApp Automation Engines

End-to-end automation for lead extraction, appointment booking, and customer support, moving your business to where your clients are most active.

Automated lead capture Smart appointment booking Order processing automation Customer lifecycle management
Watch Demo Video

Ready to Build Your Autonomous System?

Let's discuss how I can help you automate your business operations

Get In Touch

Let's Connect

Transform Your Business with Intelligent Automation

Ready to Build Your Autonomous System?

Let's discuss how I can help you automate your business operations

Email Me

crevoxega.contact@gmail.com

I typically respond within 24 hours

Call Me

+91-8511150215

Available for consultation calls

Location

Gandhinagar, Gujarat

India

Currently Available

Accepting New Projects

I'm currently available for new automation projects and consulting work. Let's build something amazing together!