Available for work

Hi, I am Jai Haryana, India

Jai Kumar

I build Full Stack Web & Mobile App Developer
 

Building scalable web & mobile products with clean architecture and modern UX.

5+

Years shipping

11+

Core technologies

3+

Product teams

Portrait of Jai Kumar, Full Stack Web & Mobile App Developer

Introduction

About Me

A motivated individual with in-depth knowledge of languages and development tools, seeking a position in a growth-oriented company where I can use my skills to the advantage of the company while having the scope to develop my own skills.

Focus

Full-stack products that feel fast, clear, and production-ready.

From Laravel APIs and Livewire dashboards to Flutter apps and React frontends—I connect product thinking with clean engineering.

Location

Haryana, India

Open to remote & hybrid collaboration

Backend

PHP · Laravel · Node.js

APIs, auth, queues, and scalable domain logic.

Frontend

Livewire · React · Alpine

Interactive UIs with thoughtful motion and clarity.

Mobile

Flutter · Realtime

Cross-platform apps with Socket.io powered flows.

Tech stack

Skills

Tools I use to design, build, and ship reliable full-stack products.

  • P

    PHP

  • Laravel logo

    Laravel

  • Livewire logo

    Livewire

  • F

    Flutter

  • N

    Node.js

  • E

    Express

  • R

    React

  • Socket.io logo

    Socket.io

  • Alpine JS logo

    Alpine JS

  • Ajax logo

    Ajax

  • jQuery logo

    jQuery

Career

Experience

Roles where I shipped full-stack products end-to-end—from architecture to production.

Work history

  1. 01

    Senior Developer

    BkBaba

    Leading full-stack delivery across web platforms with a focus on performance, reliability, and product velocity.

  2. 02

    Fullstack Developer

    Agile Legions

    Shipped Laravel and JavaScript products end-to-end, from architecture to production support.

  3. 03

    Fullstack Developer

    Combinez

    Built and maintained client web applications with modern PHP stacks and collaborative delivery practices.

Education

  1. B.Tech (Computer Science & Engineering)

    Guru Jambheshwar University of Science & Technology (GJUST)

    76%
  2. Senior Secondary Education (CBSE)

    Crescent Public School

    70%
  3. Secondary Education (HBSE)

    Tagore Model School

    78%

Selected work

Projects

A selection of products spanning family platforms, rentals, hospitality, and ecommerce.

View all projects

Social proof

Testimonials

What clients and collaborators say about working together.

Jai delivered our family genealogy platform end-to-end—web, mobile, and real-time features—with clear communication and rock-solid Laravel architecture.

Aarav Mehta

Product Founder · Family Root

Our rental and booking workflows became dramatically simpler. The admin tools are intuitive and the performance has been excellent under real traffic.

Priya Sharma

Operations Lead · Airport Guesthouse

From catalog to checkout, Jai built a clean ecommerce experience. He understands both the technical stack and the business side of shipping features fast.

Rohan Kapoor

CEO · Herbals Commerce

Reliable, proactive, and detail-oriented. Jai handled complex scheduling and restaurant operations logic without compromising UX quality.

Neha Verma

Project Manager · Event & Restaurant Suite

Writing

Articles

Notes on building, shipping, and scaling web & mobile products.

Browse all articles

Next.js Vulnerability Exposes Protected Routes: What Developers Need to Know

On March 21, 2025, a critical security vulnerability in Next.js, identified as CVE-2025-29927, was disclosed. This authorization bypass flaw has raised serious concerns among developers and cybersecurity experts due to its ability to expose sensitive routes to unauthorized access. With a CVSS score of 9.1, this vulnerability highlights the importance of robust security practices in modern web applications.

CRUD Operations in Laravel Livewire

Creating a CRUD (Create, Read, Update, Delete) application is a fundamental skill for any web developer. With Laravel Livewire, this process becomes significantly easier and more efficient. In this blog post, we will explore how to implement CRUD operations using Laravel 10 and Livewire, allowing you to build dynamic and interactive web applications seamlessly.

10 Innovative Business Ideas to Start in 2025

Starting a business is an exciting journey, but choosing the right idea can be challenging. To help you navigate this decision, here are ten innovative business ideas tailored for 2025, each leveraging current trends and consumer demands.

07

Contact

Let's build something great

Have a product idea, refactor, or long-term partnership in mind? I'm open to discussing full-stack web and mobile opportunities.