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.

Insights by Ajay

Software Development

Web Scraping vs API vs Paid Data Feed: How to Pick the Right One for Your Product

Most "we need a scraper" requests are actually an integration or a paid data feed in disguise. Here is how to tell which bucket you are in before you build.

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Software Development

Mobile App vs Progressive Web App vs Responsive Web: How to Pick the Right Front for Your Product

Most "we need a mobile app" requests do not actually need one. Here is how to decide between native mobile, a progressive web app, and responsive web.

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Software Development

How to Build an API That Other Teams Actually Want to Use

The choices that decide whether your API becomes the piece other teams reach for again, or the one they route around the second time.

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Artificial Intelligence

How to Modernize a 15-Year-Old ASP.NET System Without a Full Rewrite

Full rewrite is the wrong default for ASP.NET in 2026. The 5-stage phased plan wraps the legacy, replaces workflows with AI, and finishes in 9 to 12 months at a fraction of the rewrite effort.

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Software Development

Why Your Squarespace/Wix Subscription Will Triple (And What to Do)

Hosted builder pricing compounds through base increases, tier restructuring, and mandatory AI bundling. Most small business subscriptions triple over 3 years. The 5 graduation paths, the 4-phase migration playbook, and how to preserve search ranking.

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Software Development

The Headless Question: Should Your Small Business Care About JAMstack?

Headless architecture is the right fit for 10-15% of small businesses and overkill for the rest. The 4 cases where headless makes sense, the 6 where it does not, and the honest architecture comparison agencies do not give you.

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Software Development

Why APIs Are Becoming More Valuable Than User Interfaces (And What That Means for Your Product)

Agents call APIs 100x more than humans touch UIs. The API is becoming the product; the UI is becoming one consumer of it. 4 reasons APIs are out-valuing UIs, 3 categories that should refactor first, and the single-layer architecture that serves 5 consumers without forking.

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SaaS Strategy

Why MVPs Get You Paying Customers Faster Than a 'Complete' Product Ever Could

Most founders think selling will be easier once the product is complete. The reality is the opposite. MVPs create buying conversations that finished products never get to have, and they produce paying customers six to twelve months earlier. Here is the mechanism, the timing math, and the four-step playbook that actually works.

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FAQ

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 10 insights covering Software Development, SaaS Strategy, Artificial Intelligence. Every article is written from hands-on client work at Entexis, not summarised from third-party sources.

What is Ajay Kumar's track record?

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.