Ajay Kumar
Author

Ajay Kumar

Lead & Backend Specialist
Focus

Owns backend architecture for every Entexis engagement. Leads API design, database modeling, and system integrations across Node.js, PostgreSQL, and MySQL stacks.

Track Record

15+ years of experience building scalable, production-grade backend systems for SaaS, fintech, CRM, and enterprise applications across India, the Middle East, and North America. Specialized in designing secure, high-performance APIs, business-critical workflows, and backend architectures that power reliable, large-scale applications.

12 published insights · writes across Software Development, Artificial Intelligence, SaaS Strategy
Latest Insights

Insights by
Ajay

01
Artificial Intelligence

Open Source vs Closed Source AI Models

Sep 18, 2026

How to Pick Between Llama, Mistral, Qwen, GPT, Claude, and Gemini for a Custom Build

Read More 02
Artificial Intelligence

Small Language Models vs Large Language Models

Sep 16, 2026

When Smaller Actually Wins for Your Product

Read More 03
Software Development

Web Scraping vs API vs Paid Data Feed

Sep 10, 2026

How to Pick the Right One for Your Product

Read More 04
Software Development

Mobile App vs Progressive Web App vs Responsive Web

Sep 1, 2026

How to Pick the Right Front for Your Product

Read More

More from Ajay

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Frequently Asked Questions

Who is Ajay Kumar?
Ajay Kumar is a lead & backend specialist at Entexis Systems Private Limited. Owns backend architecture for every Entexis engagement. Leads API design, database modeling, and system integrations across Node.js, PostgreSQL, and MySQL stacks.
What does Ajay Kumar write about?
Ajay Kumar has published 12 insights covering Software Development, Artificial Intelligence, SaaS Strategy. Every article is written from hands-on client work at Entexis, not summarised from third-party sources.
What is Ajay Kumar's track record?
15+ years of experience building scalable, production-grade backend systems for SaaS, fintech, CRM, and enterprise applications across India, the Middle East, and North America. Specialized in designing secure, high-performance APIs, business-critical workflows, and backend architectures that power reliable, large-scale applications.
Can Entexis help with a project like the ones Ajay Kumar writes about?
Yes. Ajay Kumar works alongside a full product and engineering team at Entexis. If a topic on this page maps to something you are planning, get in touch and we will scope it with you.