15+ Years Technical Leadership AWS Certified

MANOJ AGRAWAL

Technical Architect | AI Solutions Architect | SaaS & Cloud Engineering

Technical Architect with 15+ years of experience designing and delivering scalable web, SaaS, cloud and AI-powered applications across e-commerce, banking, finance, learning platforms and business automation.

AI Engineering Focus: Currently focused on applying Python, LLMs, RAG, vector databases, LangChain, LangGraph and agentic AI workflows to build intelligent business applications.
Experience 15+ Years
Qualification MCA
Location Mumbai, India
Focus Areas SaaS, Cloud & AI Systems
Manoj Agrawal - Technical Architect
AWS Certified Cloud Practitioner Badge

AWS Certified

Cloud Practitioner

Professional Summary

A balanced fusion of traditional enterprise software architecture and cutting-edge AI engineering.

Technical Architect and engineering leader with 15+ years of experience across software architecture, SaaS platforms, e-commerce, banking, finance, learning management systems and business automation.

Experienced in designing scalable applications, distributed integrations, cloud infrastructure and API-driven systems using Laravel, PHP, Node.js, React, TypeScript, ASP.NET/C# and modern databases.

Currently expanding this architecture expertise into AI engineering with Python, Large Language Models, Retrieval-Augmented Generation (RAG), vector databases, LangChain, LangGraph and agentic workflows.

Focused on building practical AI systems that integrate with real business processes, enterprise data, APIs and SaaS platforms.

Enterprise SaaS

Multi-tenant & API-first

AI & RAG Engineering

Agentic workflows & LLMs

Technical Leadership

Mentorship, architecture & delivery

AI & Generative AI

Applying state-of-the-art AI technologies to create real-world enterprise applications, grounded retrieval pipelines, and autonomous agent workflows.

Python

Python application development, automation, AI/ML integrations and backend services. Building scalable services for document ingestion, data transformations, and AI pipelines.

Python 3.x Async IO FastAPI Automation

LLM Applications

Building applications around Large Language Models, structured prompts, tool calling and business workflows. Implementing deterministic schemas and evaluation loops for production quality.

Structured Outputs Tool Calling Prompt Engineering

RAG Pipelines

Retrieval-Augmented Generation pipelines including document ingestion, chunking, embeddings, semantic search, retrieval, context augmentation, and grounded responses without hallucinations.

Semantic Search Chunking Strategies Embeddings Grounded Context

Vector Databases

Indexing and query management using Pinecone and Chroma. Designing hybrid search pipelines, vector similarity indexing, metadata filtering, and high-performance semantic retrieval.

Pinecone Chroma Vector Similarity Metadata Filters

LangChain

Harnessing modular LangChain components: chains, retrievers, tools, agents, document loaders, embeddings, and vector stores to build maintainable enterprise AI architectures.

Chains Document Loaders Vector Stores Custom Tools

LangGraph

Stateful workflows, agent orchestration, multi-step reasoning workflows, conditional routing, tool execution, cyclical graphs, and human-in-the-loop workflows for dependable automation.

State Graphs Multi-Step Reasoning Agent Orchestration Human-in-the-Loop

AI Agents

Tool-enabled autonomous agents, workflow automation, API/tool integration, multi-step business processes, permission validation, and human approval verification checkpoints.

Tool-Enabled Workflow Automation Approval Gates API Execution

AI Integration

Integration of AI capabilities into existing SaaS applications, REST APIs, enterprise databases, business workflows, queue workers, and automation platforms.

SaaS Integration REST APIs DB Connectors Background Queues

AI Application Architecture

Visual representation of an enterprise RAG and agentic execution pipeline, bridging user queries with corporate data stores and tool ecosystems.

End-to-End Orchestration & RAG Flow
Core Pipeline
Tool Calling
Human Approval
User
Client Query
Application
SaaS / API Gateway
LLM / AI Agent
Intent & Routing
LangGraph / Chain
State Orchestration
Retriever
Hybrid Search
Vector DB
Pinecone / Chroma
Business Data
Docs & Schemas
Response
Grounded Output
Tools & External APIs

Dynamic execution of third-party SaaS endpoints, SQL database queries, and background worker jobs via structured tool contracts.

Human-in-the-Loop Verification

Conditional checkpoint stops requiring managerial approval or confirmation before irreversible mutations or financial transactions execute.

Enterprise Data Synchronization

Real-time webhook ingestion and scheduled batch sync keeping vector indexes fresh and semantically aligned with relational data.

Architecture Expertise

15+ years of designing resilient, decoupled, and high-throughput systems engineered for reliability, security, and sustained business growth.

SaaS Architecture

Scalable multi-tenant foundations with isolated tenant data, automated provisioning, and subscription billing lifecycles.

Multi-Tenant Applications

Shared infrastructure architectures with strict tenant isolation, granular RBAC, and zero cross-tenant leakage.

API-First Architecture

Contract-driven REST and webhook interfaces built for developer experience, backward compatibility, and external integrators.

Cloud Architecture

Resilient AWS infrastructure leveraging auto-scaling, VPC isolation, containerized ECS/EKS clusters, and high availability.

Microservices

Domain-driven bounded contexts communicating via lightweight HTTP/gRPC interfaces for independent team deployment.

Event-Driven Architecture

Asynchronous pub/sub event channels decoupling transactional services to gracefully handle high peak volumes.

AI Application Architecture

Production design patterns integrating LLMs, context management, prompt templates, and corporate software layers.

RAG Architecture

Low-latency retrieval pipelines with smart chunking, dense vector indexing, and grounded context injection.

Agentic AI Workflows

Autonomous multi-step task execution systems orchestrated through cyclical state graphs and dynamic tool calling.

Database Architecture

Relational and NoSQL schemas optimized for write/read balance, indexing efficiency, replication, and data integrity.

Integration Architecture

Robust middleware layers connecting proprietary SaaS applications with legacy enterprise software and third-party APIs.

Scalable Web Applications

High-concurrency web applications optimized with tiered caching, asset offloading, and optimized backend query paths.

Security & Authentication

Standardized authentication layers utilizing OAuth 2.0, JWT, role-based access control, payload encryption, and rate limiting.

Queue & Background Processing

Distributed background workers handling batch operations, synchronization jobs, emails, and data crunching asynchronously.

Third-Party API Integration

Fault-tolerant integration with payment gateways, marketplace platforms, logistics carriers, and communication webhooks.

Architectural Technology Stack

A multi-tiered visualization of core technologies applied across architecture, engineering, data, and cloud infrastructure.

AI & GenAI Layer

Intelligent Orchestration
Python LangChain LangGraph RAG Pipelines Pinecone Chroma LLM Integration

Backend & APIs

Core Business Logic
Laravel PHP Node.js ASP.NET C# REST APIs Microservices

Frontend & UI

Client Applications
React.js Vue.js TypeScript JavaScript HTML5 CSS3

Data & Persistence

Storage & Retrieval
MySQL PostgreSQL MongoDB SQL Server Vector Stores

Cloud & DevOps

Infrastructure & CI/CD
AWS Docker Kubernetes Linux (Ubuntu, CentOS) CI/CD Pipelines DigitalOcean

Technical & Leadership Skills

Comprehensive technology domain proficiencies structured for transparent technical assessment.

Architecture & Backend

Laravel PHP Node.js Python ASP.NET C# REST APIs Microservices API Integration CodeIgniter

Frontend Engineering

React.js Vue.js JavaScript TypeScript HTML5 CSS3 jQuery Responsive Web UI

AI Engineering Focus

Python LLM Applications RAG Pipelines LangChain LangGraph AI Agents Prompt Engineering Embeddings Semantic Search Vector Databases Pinecone Chroma

Databases & Storage

MySQL PostgreSQL MongoDB SQL Server Schema Optimization Query Tuning

Cloud & DevOps

AWS Docker Kubernetes Linux (Ubuntu, CentOS) CI/CD Pipelines DigitalOcean Git

Integration & Platforms

REST APIs Third-Party API Integration Payment Gateway Integration Marketplace APIs OAuth 2.0 Webhooks JSON / XML

Engineering & Leadership

System Architecture Technical Leadership Team Leadership Project Management Agile / Scrum Code Reviews Technical Documentation Jira, Trello, Basecamp

Professional Experience

15+ years of delivering high-impact SaaS platforms, cloud infrastructure, and technical leadership across diverse global industries.

Technical Architect & Engineering Lead

Technology & Enterprise Solutions
2021 — Present
  • Direct the architectural vision, cloud infrastructure, and technical roadmap for multi-tenant SaaS products and enterprise business systems.
  • Design AI-driven features: architecting Retrieval-Augmented Generation (RAG) pipelines, LangChain/LangGraph agentic state machines, and vector search integrations using Python, Pinecone, and Chroma.
  • Engineer resilient cloud architectures on AWS utilizing Docker containers, microservices, and automated CI/CD pipelines.
  • Mentor cross-functional engineering teams, oversee code reviews, define API contract standards, and steer agile delivery schedules.
Python LangChain LangGraph RAG Laravel Node.js React.js AWS Docker PostgreSQL

Lead Solution Architect

SaaS & Cloud Platforms
2017 — 2021
  • Architected complex multi-channel eCommerce synchronization engines connecting Shopify, Amazon, WooCommerce, Shopee, Lazada, and TikTok Shop.
  • Engineered high-throughput background queue architectures processing millions of inventory updates, webhook payloads, and order lifecycle mutations with zero data loss.
  • Implemented secure payment gateway integrations, OAuth2 identity authentication, and distributed multi-tier database caching.
  • Collaborated closely with founders and business stakeholders to translate strategic business objectives into robust, scalable software architectures.
Laravel PHP Vue.js Inertia.js MySQL AWS Redis Marketplace APIs Webhooks

Senior Full-Stack Architect / Tech Lead

Banking, Finance & LMS Systems
2013 — 2017
  • Architected and delivered mission-critical web applications across Share Market analytics, Banking portals, and Learning Management Systems (LMS).
  • Designed robust web and service layers using ASP.NET, C#, PHP, JavaScript, and relational databases (SQL Server, MySQL, PostgreSQL).
  • Integrated banking payment gateways, real-time market data feeds, and high-security compliance controls.
  • Configured and maintained Linux servers (Ubuntu, CentOS), deployment automation, and production monitoring.
ASP.NET C# PHP JavaScript SQL Server MySQL Linux (Ubuntu/CentOS) REST APIs

Senior Software Engineer

Web Applications & Enterprise Software
2009 — 2013
  • Engineered high-performance web applications, dynamic database backends, and custom CMS/eCommerce platforms.
  • Built custom API integrations, automated data import/export routines, and optimized database queries for responsive user experiences.
  • Managed project lifecycles end-to-end: requirement discovery, system design, implementation, testing, and deployment.
PHP CodeIgniter WordPress JavaScript jQuery MySQL HTML5 / CSS3 Git

Featured Projects

Real-world software platforms showcasing multi-tenant architecture, complex API ecosystems, and intelligent data systems.

eCommerce SaaS Multi-Channel

CEP / SyncingAbout

Multi-Channel Inventory Management Platform

High-scale multi-channel inventory and order synchronization SaaS connecting merchants to global marketplaces with near real-time catalog replication and automated fulfillment tracking.

  • Bi-directional synchronization with Shopify, WooCommerce, Shopee, Lazada, TikTok Shop, and Amazon.
  • Asynchronous queue workers handling millions of stock adjustments and webhook event dispatches.
  • Marketplace API rate-limiting throttling, exponential backoff retries, and comprehensive audit trails.
Laravel PHP Vue.js Inertia.js MySQL AWS Marketplace APIs Webhooks
Workforce Platform Desktop + Cloud

Rekloq / WorkSnap

Workforce & Activity Management Platform

Comprehensive employee productivity and workforce activity tracking platform combining lightweight desktop client agents with cloud-native administrative portals and analytics dashboards.

  • Secure client-to-cloud API architecture for telemetry ingestion, time logs, and screenshot synchronization.
  • Modern administrative portal built with Filament for operational metrics, billing, and organizational hierarchy.
  • PostgreSQL schema optimized for timeseries activity logs, analytics rollups, and reporting queries.
Laravel PHP PostgreSQL Filament Desktop API Cloud Infrastructure
AI Engineering RAG & Agents

Enterprise AI & RAG Systems

Intelligent Document Retrieval & Workflow Agents

Next-generation business AI systems providing grounded document Q&A, semantic retrieval, and multi-step autonomous agent workflows integrated seamlessly into production SaaS platforms.

  • End-to-end RAG ingestion pipeline: document parsing, recursive chunking, embeddings, and vector similarity indexing.
  • Stateful agent orchestration using LangGraph with tool-calling capabilities and human approval checkpoints.
  • Grounded context injection avoiding hallucinations with strict citation-backed responses.
Python LangChain LangGraph RAG Pinecone Chroma LLM APIs FastAPI

Industry Certifications

Validated expertise in cloud infrastructure, security, and enterprise architectures.

AWS Certified Cloud Practitioner Official Badge
Amazon Web Services

AWS Certified Cloud Practitioner

Demonstrates comprehensive knowledge of AWS Cloud architecture principles, core cloud services, security and compliance standards, scalable infrastructure design, and cloud economics.

Let's Build Something Intelligent

Interested in SaaS architecture, AI applications, automation or technical consulting? Let's connect and discuss how my 15+ years of software architecture and AI engineering can drive your next milestone.

Email Address
manojujn@gmail.com
Phone Number
+91-9970399685
Location
Mumbai, Maharashtra, India