Custom software & product engineering

We build custom software around your business

Kalajna Labs is a product engineering studio. We design, build, and ship tailored web platforms, mobile apps, and AI solutions — owned end to end by senior engineers.

Mobile app development

Mobile apps that ship and scale

Native and cross-platform iOS & Android apps built with React Native and Flutter — fast, reliable, and ready for app-store launch.

AI & automation

Put AI to work across your operations

LLM integrations, predictive models, and intelligent automation that cut manual effort and turn your data into decisions.

Our product · MagicVarsh

Meet MagicVarsh, our enterprise portal platform

A multilingual microservices portal & CMS — 20+ services, 9 languages, and 70+ portlets for page building, workflow, and security. Proof we build and run real products.

Engineering you can trust

Enterprise-grade engineering, startup speed

Secure-by-design architecture, JWT + 2FA, resilient microservices, and clean delivery — from first MVP to production scale.

What we do

Services built for outcomes

From a first MVP to enterprise-grade systems, we design, build, and ship software that solves real problems.

🧩

Custom Software

Bespoke web applications and internal tools engineered to your exact workflows and business logic.

📱

Mobile App Development

Native and cross-platform iOS & Android apps built with React Native and Flutter for speed and reach.

🤖

AI & Automation

LLM integrations, predictive models, and intelligent automation that cut manual work and unlock insight.

🏗️

System Design & Architecture

Scalable, resilient architectures for mission-critical operations — designed to grow with you.

☁️

Cloud & APIs

Robust backends, integrations, and cloud infrastructure on AWS, Azure, and Google Cloud.

🛡️

Support & Maintenance

Ongoing monitoring, iteration, and support so your product keeps performing after launch.

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Our toolkit

A modern, proven technology stack

We pick the right tools for the job — battle-tested frameworks that keep your product fast and maintainable.

Frontend

React, Next.js, Vue, TypeScript

Backend

Node.js, Python, Java, .NET, Go

Mobile

React Native, Flutter, Swift, Kotlin

AI / ML

PyTorch, TensorFlow, GPT & LLM APIs

Cloud

AWS, Azure, Google Cloud, Kubernetes

Databases

PostgreSQL, MongoDB, Redis

Selected work

Products & projects we've shipped

A look at what we build — including MagicVarsh, our own product.

★ Featured MagicVarsh
Our Product

MagicVarsh

A multilingual microservices portal & CMS — build, secure, and scale enterprise portals with a drag-and-drop page builder, dynamic portlets, and workflow automation.

Explore MagicVarsh
App
Mobile

Cross-platform Mobile App

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Case study
SaaS
Web & AI

Custom SaaS Platform

Sample project card. Replace with a real web/AI platform you delivered.

Case study
About us

A studio that ships, not just slides

Kalajna Labs is a product engineering team that partners with founders and enterprises to turn ideas into working software. We stay small, senior, and accountable — owning outcomes from architecture to launch.

Product mindsetWe think in outcomes and users, not just tickets.
Senior engineeringExperienced engineers on every project, end to end.
We build our ownMagicVarsh is proof we build and run real products.
Build. Ship. Iterate.

Founded [year] · Team of [size] · Based in Sonipat, India

Innovation Excellence Integrity Partnership
Kind words

What clients say

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★★★★★

"Kalajna Labs delivered exactly what we needed, on time. Replace with a real quote."

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Client NameRole, Company
★★★★★

"Great communication and senior engineering throughout. Replace with a real quote."

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Client NameRole, Company
★★★★★

"They built our app and stuck with us after launch. Replace with a real quote."

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Get in touch

Let's build something together

Tell us about your project and we'll get back to you within one business day.

📍

Address

E1 1919, Mansa DDA Housing,
A4, Pocket-1C, Sector A1,
Narela, New Delhi, Delhi 110036

✉️

Email

hello@kalajnalabs.com

🕑

Business Hours

Mon – Fri: 9:30 AM – 6:30 PM IST

Your enquiry is sent straight to our inbox. We reply within one business day.

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⚠ Sorry, something went wrong. Please email us directly at amitjava2006@gmail.com.