Uday Kumar

ONLINE

Senior Software Engineer

LVL 05+ Experience

MERN Flutter DevOps

DEVELOPER PROFILE

System Identity Loaded

I’m a passionate Software Engineer specializing in MERN Stack, Flutter, and modern web technologies, focused on building fast, scalable, and user-friendly digital products. I’ve worked on multiple freelance projects for clients, delivering custom websites and applications tailored to their business needs with a strong focus on quality and performance.

With hands-on experience in both web and mobile development, I enjoy transforming ideas into impactful real-world solutions, from responsive business websites to cross-platform mobile apps, delivering clean design, smooth functionality, and reliable user experiences while continuously exploring new technologies, improving my skills, and helping businesses grow through clear communication and dependable results.

5+ Years XP

Freelancer

Happy Clients

Web + Mobile

Fast Delivery

Clean Code

TECH ARSENAL

EQUIPPED ABILITIES & LOADOUT

MERN Stack

Flutter

DevOps

Firebase

OpenAI

WebRTC

MongoDB

PostgreSQL

QUEST LOG

ACTIVE & COMPLETED MISSIONS

Portfolio V1

Mission Completed

Designed and developed a personal portfolio website showcasing projects, technical skills, and professional experience with smooth navigation, modern UI elements, and responsive design principles.

JavaScript Bootstrap CSS

Tune Up

Under Development

Tune Up, a music application that allows users to play local device songs and search or stream music through the YouTube integration. It also supports shared listening rooms where friends can join, chat, and enjoy music together in real time.

Flutter WebSockets Youtube API

200+ Users

AI Pal

Mission Completed

AI Pal, a multifunctional Google Chrome extension that delivers jokes on launch and provides instant word definitions with usage examples for selected text. Integrated AI-powered caption generation for Instagram and Twitter to enhance user productivity and engagement.
Achieved 200+ installs within 3 weeks of launch.

JavaScript OpenAI

Image Compressor

Mission Completed

Image Compressor web application that reduces image file sizes efficiently while maintaining quality, providing a fast and user-friendly solution for optimized image handling.

Python

500+ Installs

AI Pal - App

Mission Completed

AI Pal, a mobile application that delivers daily random quotes on selected topics with meanings, usage examples, Instagram captions, and tweet generation based on user input. Securely store, Share quotes without requiring user login.
Achieved 500 installs within two months of launch.

Flutter OpenAI Firebase

Coding Madness

Mission Completed

Built Coding Madness, a developer-focused platform featuring coding blogs, programming tutorials, and detailed code explanations with a clean and engaging UI designed for learners and tech enthusiasts. Developed responsive pages showcasing web development concepts, coding resources, and YouTube channel content integration.

JavaScript Bootstrap

TrackWise

Mission Completed

Developed a location tracking application using JavaScript, Map APIs, and Firebase to monitor live user locations, validate travel routes, and calculate distances in real time. Built a reliable mobile app with offline data storage and auto-sync on reconnect, while implementing automated wage calculations based on verified travel distance and checkpoints for accurate payroll and operations tracking.

JavaScript Android Firebase HTML CSS

CAREER QUEST

Mission History Unlocked

5+ Years XP Multiple Domains Cleared Full Stack Ready

Mission 03 — iSpace

Timeline: January 2026 - Present

Role: Senior Software Engineer

Contributed to maintenance and enhancements of a full-stack web application using React.js, NestJS, and PostgreSQL, resolving UI and backend issues to improve stability and user experience. Gained hands-on experience with Micro Frontend architecture while supporting minor feature updates in a modular frontend environment.

Skills Unlocked:

NestJs ReactJs PostgreSQL Micro Frontend

Mission 02 — InnCircles

Timeline: April 2024 - December 2025

Role: Senior Product Developer

Built and launched a React.js dashboard for gated communities, contributing from project setup to deployment and post-launch enhancements. Developed reusable modular components, supported backend tasks with Node.js for features and API integrations, and enhanced a resident-facing Flutter mobile app for Android and iOS. Collaborated with cross-functional teams across development, testing, and releases to ensure smooth delivery.

Skills Unlocked:

TypeScript ReactJs Node.js Flutter UX Improvement

Mission 01 — Spreadsheet

Timeline: January 2021 - March 2024

Role: Software Engineer

Developed responsive and scalable features for a product-based Spreadsheet application using the MERN stack, delivering key enhancements such as improved onboarding flows, Named Ranges, and a complete UI revamp that strengthened navigation, visual consistency, user adoption, and overall platform engagement. Built analytics dashboards for revenue tracking and business insights using React.js and Flask (Python), contributing to product growth from beta stage to $120K+ ARR through continuous feature delivery and technical improvements. Managed CI/CD pipelines and DevOps workflows for faster, reliable releases, and led MongoDB migration initiatives using Python to consolidate databases into a shared architecture, reducing infrastructure costs and simplifying maintenance.

Skills Unlocked:

ReactJs Node.js MongoDB Fast API REST APIs Responsive Design

GET IN TOUCH

developeruday007@gmail.com

Phone

+91 95734 93036

Location

India

Availability

Mon - Sat (10AM - 11PM)

Open For

UDAY KUMAR

DEVELOPER PROFILE

TECH ARSENAL