Behind the Code: My Work, My Clients, My Story

Upwork Client reviews

Discover what my clients think about my service

"Very positive experience with this freelancer. Sagar is amazing guy, he has lot of knowledge and skills. Perfect English make him easy to communicate ! Very kind and professional , so thanks once again for all your effort towards me. Keep up good job man !"

Mr.Cuk, Bosnia and Herzegovina

"Professional, knowledgeable, well spoken, insightful and efficient - may be one of the best hires I've even made on Upwork. I will definitely hire him again for applicable projects in the future."

Mr.Robert, United States

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"Sagar is very skilled developer. I can say he is advance developer with good communication skill. He finish all work as per requirement on time with good quality. I will work with him again in next project."

Mr.Desai, India

"Experience was a delight, was a quick turn around and product turned out just as I explained, on to the next milestone"

Mr.Sikel, United States

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Client Video Testimonials

Mr.Sam, Canada

Mr.Cuk, Bosnia and Herzegovina

Recent Projects That Deliver Real Impact

Health Wallet | VAPT compliance | NHA Approved | 50k+ monthly users
Health Wallet | VAPT compliance | NHA Approved | 50k+ monthly users
Health-Tech Mobile App

A full-cycle mobile health wallet for record keeping, deeplinking, BLE IoT device sync (BP, SpO2), QR-based appointments, Chart representation, multilingual UX, and ABHA card generation via Aadhaar Number. VAPT/NHA compliant | 50k+ monthly users.

TV App - Digital Signage

Our Android TV app for digital signage auto-plays media, updates playlists remotely, rotates screen and runs offline. Built with Android Native and ExoPlayer, it ensures plug-and-play deployment, engaging customers in 100+ retail locations with vibrant, dynamic displays.

Asset Lifecycle Management (ALM) - CRM Mobile App

Designed for field teams to manage maintenance tasks, track assets, and update statuses in real time.

On-Demand Food Delivery Mobile Platform

A Zomato-style app suite for users, restaurants, and delivery partners with live tracking, in-app payments, and real-time order flow.

About Me

Let's Talk

Skills

C#/C++/C
HTML/CSS
Java
Flutter
SQL
Android
iOS
Kotlin
AWS/Azure
Php

Services

Wanna talk?

Contact me with any questions or just to say a few nice words ... or mean ones. Up to you .... free will and all

M: +91 9725992227

Email 1: sagar@btechsagar.com

Email 2: sagarshah21091@gmail.com