Available for freelance & product development
Senior Systems & Full-Stack Engineer

Building scalable products, automation & AI systems.

I build production-ready web and mobile applications, large-scale data pipelines, automation systems, and AI-powered products from idea to deployment.

5+ Years
Experience
Full-Stack
Web & Mobile
AI / RAG
Vector Search
Scraping
10M+ Scale
// Senior System Architect Blueprint
export const milanVanani = {
role: "Software Engineer",
company: "Intus Software Solution",
specialization: ["Full-Stack", "RAG / AI", "Rust / Node"],
capabilities: () => ({
scrapingScale: "10M Product Pages",
stockEngine: "Custom C++ / Node Matcher",
cloudIaC: "Terraform + AWS + Azure",
})
};
High-Concurrency Readyv5.2.0-stable
01 // ABOUT

Engineering systems from concept to production.

A senior product-focused engineer capable of leading end-to-end design, implementation, and cloud infrastructure.

whoami // bio
I'm a full-stack developer with 5+ years of experience building web, mobile, SaaS, automation, and AI-powered applications. I enjoy solving complex engineering problems and turning ideas into reliable production systems.
Product-Driven Architecture
Zero-Downtime Releases
Full Life-Cycle Ownership

Core Technical Domains

Frontend
Backend
Mobile
AI/LLMs
Data pipelines
Cloud infrastructure
Automation
02 // TECH STACK

Battle-tested tools & modern frameworks.

A complete production stack focused on performance, scalability, type-safety, and developer velocity.

Frontend

5 Production Technologies
ReactNext.jsReact NativeTypeScriptTailwind CSS
// Verified Expertise Production

Backend

6 Production Technologies
Node.jsExpressNestJSPythonFastAPIRust
// Verified Expertise Production

Databases

5 Production Technologies
PostgreSQLMongoDBMySQLRedisOpenSearch
// Verified Expertise Production

AI

5 Production Technologies
OpenAIAzure OpenAIRAGLangChainVector Search
// Verified Expertise Production

Cloud & DevOps

7 Production Technologies
AWSAzureDockerTerraformECSLambdaCI/CD
// Verified Expertise Production

Automation

4 Production Technologies
PythonSeleniumPuppeteerChrome Extensions
// Verified Expertise Production
03 // SPOTLIGHT PROJECTS

High-scale systems & production platforms.

A selection of architectural achievements spanning large-scale web scraping, financial order matching engines, and enterprise AI RAG pipelines.

Large-Scale Data & Browser Extensions

LittleBirdie

Price Comparison & Ingestion Platform

Built a large-scale product ingestion and price comparison pipeline scraping 50+ e-commerce stores and approximately 10M product pages. Processed and normalized pricing data to compare products across stores and provide users with the best available price.

10M+ Product Pages • 50+ E-Commerce Stores • Real-time Data Normalization

Key Components Engineered:

Large-scale scraping pipeline
Chrome extension
Safari extension
React Native mobile application
Search infrastructure

Tech Stack:

PythonSeleniumKafkaPostgreSQLOpenSearchReactNext.jsReact NativeAWSTerraformECSECRLambdaKinesis
System Architecture Specs
Verified
  • >High-throughput streaming via Kafka & Kinesis to process raw scraped pages without backend bottlenecks
  • >OpenSearch cluster indexing millions of SKU records for sub-100ms multi-store queries
  • >Cross-platform browser extensions (Chrome & Safari) for real-time coupon and price overlay injection
Financial Systems & Microservices

AFLSX

Football Player Stock Exchange

Built a fantasy football stock market where player prices change based on supply and demand, while dividends are generated from player fantasy scores.

Low-latency Matching Engine • Dynamic Dividend Calculations • Dual-DB Architecture

Key Components Engineered:

Microservice backend architecture
AFL data ingestion pipeline
In-house stock exchange
Order matching engine
Brokerage system
Mobile application
Web/admin platform

Tech Stack:

Node.jsMongoDBPostgreSQLC++React NativeNext.js
System Architecture Specs
Verified
  • >Custom high-performance order-matching engine written with C++ and Node.js for instant order execution
  • >Decoupled microservice architecture isolating brokerage ledger operations from real-time price tick feeds
  • >Relational PostgreSQL storage for transactional ledgers alongside MongoDB for high-write game score metrics
Artificial Intelligence & RAG

AI RAG Platform

Enterprise AI Knowledge System

Built an end-to-end RAG system that ingests website content and enables AI-powered semantic search and question answering.

End-to-End Vector Ingestion • Sub-second Hybrid Retrieval • Azure AI Cloud Pipeline

Key Components Engineered:

Web scraping and ingestion pipeline
Azure Storage data pipeline
Vector search
AI question answering
API layer

Tech Stack:

PythonFastAPIAzure OpenAIAzure AI SearchAzure Storage
System Architecture Specs
Verified
  • >Automated continuous crawler mapping website updates directly into chunked vector embeddings
  • >Azure AI Search hybrid retrieval combining dense vector similarity with keyword sparse search
  • >FastAPI asynchronous web service layer with streaming SSE responses for real-time LLM output
04 // FULL-STACK OWNERSHIP

I build beyond the UI.

Complete engineering lifecycle execution — taking ideas from architectural scoping and data pipeline modeling through to continuous cloud deployment.

STAGE 01 OF 08

Idea & Requirements

Scope & Deliverable:

Translating business goals into technical requirements, domain models, and system boundaries.

Technologies & Artifacts Produced:

Product BlueprintDomain ModelingData Flow Specs
1 / 8

Lifecycle Pipeline Overview

// Owned from start to finish
05 // WHAT I BUILD

Specialized engineering capabilities.

High-value software services focused on reliability, performance, and long-term maintainability.

Web Applications

Scalable SaaS platforms and modern web applications with responsive design and fast server-side rendering.

Next.js App Router
Server Components
Tailwind Design Systems

Mobile Applications

Production-ready React Native applications for iOS and Android with offline sync and native modules.

React Native
Cross-Platform UI
Native Extensions

AI & RAG

AI assistants, RAG systems, semantic search and LLM integrations for enterprise knowledge retrieval.

Vector Indexing
Azure OpenAI / OpenAI APIs
FastAPI Streaming

Automation

Browser automation, scraping pipelines and workflow automation handling complex web interaction flows.

Selenium / Puppeteer
Browser Extensions
Anti-Bot Evasion

Data Systems

Large-scale ingestion, processing and search infrastructure capable of handling millions of records daily.

Kafka & Kinesis Pipelines
OpenSearch & Elastic
Normalized Schemas

Cloud Infrastructure

AWS/Azure infrastructure, Docker, Terraform and CI/CD pipelines configured for security and scale.

Terraform IaC
ECS & Lambda Serverless
Automated GitHub Actions
06 // TRACK RECORD

Professional Experience

A history of building scalable web, mobile, AI systems, automation pipelines, and cloud architectures across full-time and specialized roles.

JUN 2023 — PRESENT
Surat, Gujarat, India (On-site)

Software Engineer

Intus Software Solution Pvt. Ltd.

Focused on backend engineering, system design, high-concurrency architectures, AI/RAG pipelines, and web scraping systems across web, mobile, desktop, and browser applications.

Architected scalable backend microservices and high-concurrency systems using Node.js, Python, and Rust.
Built enterprise AI/RAG vector search pipelines and continuous web scraping infrastructure.
Provisioned and managed cloud infrastructure using AWS, Azure, Terraform, Docker, and Kafka streaming.
Node.jsPythonRustAWSAzureTerraformKafkaAI / RAGSystem Design
JUL 2022 — JUL 2023
Surat, Gujarat, India

Full Stack Web & App Developer

Intus Software Solution Pvt. Ltd.

Specialized in React Native for mobile applications alongside backend services built with Node.js, Express, MongoDB, and Redis.

Engineered production React Native mobile applications with offline synchronization and native module integration.
Designed and maintained high-performance MongoDB schemas and Redis caching layers.
Delivered impactful full-stack features from initial development through cloud deployment.
React NativeNode.jsExpressMongoDBRedisFull-Stack
MAY 2022 — JUL 2022
Surat, Gujarat, India

Web Development Intern

Ofniinfo Software Solutions

Mastered Next.js, Redux, GraphQL, and WebSockets, earning a full-time MERN Stack Developer offer.

Built real-time web application interfaces using Next.js, WebSockets, and GraphQL API integration.
Implemented predictable global client state management using Redux Toolkit.
Earned full-time MERN Stack Developer position upon internship completion.
Next.jsReduxGraphQLWebSocketsMERN Stack
APR 2021 — JUN 2022
Remote

WordPress Developer & Digital Marketer

PeoplePerHour (Freelance)

Freelance digital marketer and WordPress developer helping businesses grow through high-converting websites, sales funnels, and targeted CRM-driven campaigns.

Designed custom high-converting WordPress sites, sales funnels, and landing page architecture.
Integrated CRM platforms, email automation sequences, and analytics tracking.
Executed targeted social media marketing and SEO campaigns for international client base.
WordPressCRM AutomationSales FunnelsSocial Media MarketingSEO
07 // LET'S BUILD

Have an idea worth building?

Tell me what you're working on. I can help turn it into a production-ready product.

Open for freelance & product development

Direct Communication Channels

Whether you need a complete product built from scratch, an AI/RAG system integrated, or high-throughput scraping pipelines, feel free to reach out directly.

// Average response time < 12 hours
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