SOLUTIONS & CAPABILITIES

Engineering & Automation Services

High-performance web applications, intelligent automation pipelines, custom SaaS platforms, and enterprise cloud infrastructure built for speed and scalability.

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Business Automation & Workflow Optimization

End-to-end automation pipelines including cold email sequences, CRM synchronization, AI call/chat agents, and invoice processing.

Direct Summary:Business Automation by Chowdhury Duo connects your outreach, customer support, CRMs, and payment flows into autonomous, self-healing pipelines that save hours daily and minimize human error.

Core Features:

✓Email & outreach pipelines with automated cold email sequences

✓Lead capture and instant auto-responder workflows

✓AI call assistants & conversational customer support agents

n8nMakePythonFastAPI

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Full-Stack & Web Application Development

High-performance modern web apps built with Next.js, React, TypeScript, Node.js, Python, and scalable SQL/NoSQL databases.

Direct Summary:Chowdhury Duo engineers custom full-stack web applications prioritizing lightning-fast performance, type-safe architecture, and native SEO crawlability.

Core Features:

✓Full-stack React & Next.js web applications with server-side rendering (SSR)

✓Modern component systems with Tailwind CSS, Material UI, and Shadcn

✓Robust backend APIs in Node.js, Express, Python (FastAPI / Flask)

ReactNext.jsTypeScriptNode.js

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cloud

SaaS & Custom Business Solutions

Scalable SaaS product engineering, multi-tenant systems, subscription billing, analytics dashboards, and local AI toolchains.

Direct Summary:We build scalable SaaS products equipped with secure authentication, multi-tenant databases, recurring payment integration, and administrative controls.

Core Features:

✓SaaS product engineering from architecture to production

✓Multi-tenant architecture and secure data isolation

✓Subscription billing and tier management (Razorpay / Stripe)

Next.jsTypeScriptPythonPostgreSQL

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database

API Integration & Database Architecture

High-throughput REST/GraphQL APIs, payment gateway setups, database schema design, query tuning, and automated backup strategies.

Direct Summary:Our API & Database architecture ensures sub-second query performance, reliable payment handshakes, and resilient backup mechanisms.

Core Features:

✓Clean REST APIs and flexible GraphQL endpoints

✓Payment gateway integrations: Razorpay, Stripe

✓Messaging APIs (SMS, WhatsApp, Telegram, Email)

PostgreSQLMySQLMongoDBPrisma ORM

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Infrastructure, Server Management & DevOps

Cloud deployments on AWS/GCP/DigitalOcean, Docker containerization, Nginx reverse proxies, CI/CD pipelines, and runtime monitoring.

Direct Summary:We deploy and manage containerized cloud infrastructures with automated deployment pipelines, robust reverse proxies, and proactive uptime monitoring.

Core Features:

✓Cloud deployments across AWS, GCP, and DigitalOcean

✓Nginx & Apache reverse proxy configuration, SSL, and load balancing

✓Docker containerization and multi-stage builds

DockerAWSDigitalOceanGCP

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Need a Custom Solution Engineered?

Reach out with your project specifications, API requirements, or automation workflows.

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