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Passionate & professional full-stack Web, Android & iOS developer with 5 years of working experience

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In my working experience of 5+ years I have worked with several clients and have architected &amp; built 40+ scalable <a href="https://isolpro.in/portfolio" target="_blank">projects</a> and published 15+ <a href="https://github.com/utsavdotpro?tab=repositories" target="_blank">open-source libraries</a>. I love to learn and teach technical stuff.

I’m Utsav Barnwal Full-stack Developer

Here is what I do during my working hours and sometimes, during my breaks. What can I say, I just love coding 😁

My Services

I build websites &amp; web applications that are optimized best to the client&#39;s requirements and are scalable for future needs.

Web Development

I build Android &amp; iOS apps natively or with shared codebase (using Flutter or ReactNative) that never fails on users&#39; device.

Mobile Development

I convert the reusable components &amp; widgets of Android &amp; JavaScript projects into libraries and share on GitHub for public use.

Open Source Contribution

Here is where I learnt all the things that I know and made some great connections 🤝

Work History

Agoda

<ul>
<li>Learning and using <code>ASP.NET</code> to build microservices based backend for our users facing apps</li>
<li>Set up CI/CD for our internal flutter app to test (unit + ui + integration) and raise MRs to respective Android &amp; iOS client repositories</li>
</ul>

Proximity Works

<ul>
<li>Hotstar: Building a TV application for India&#39;s no. 1 streaming and on-demand video subscription platform.</li>
<li>Crew: The official space for employees of Proximity Labs to manage their profile and apply for leaves.</li>
<li><a href="http://cars24.co.th" target="_blank">Cars24 TH</a>: A new website of an e-commerce platform for pre-owned cars, for their launch in Thailand.</li>
<li><a href="https://onebrick.io" target="_blank">OneBrick</a>: A dynamically-generating, static marketing website for a fintech company in Indonesia.</li>
<li><a href="https://peak.proximity.tech" target="_blank">Peak</a>: A Website Speed Check tool that allows you to see how fast your website loads.</li>
</ul>

Inkredo

<ul>
<li>Led a small team of developers to build a CRM for lenders to manage their customers and increase their collection per user by 20% month-on-month.</li>
<li>Built an MVP for user onboarding &amp; lead generation for a new startup that aims to help customers build/rebuild their credit scores.</li>
</ul>

IsolPro

<ul>
<li><a href="https://sghl.world" target="_blank">SGHL</a>: An advanced e-commerce website &amp; product manager for hardware showroom in Kenya.</li>
<li><a href="https://pricelistlite.isolpro.in" target="_blank">Price List Lite</a>: An application for businesses to store a private list of their products.</li>
<li><a href="https://beta.artwitch.in" target="_blank">ArtWitch</a>: A community website for art and artists.</li>
<li><a href="https://transactionslistlite.isolpro.in" target="_blank">Transaction List Lite</a>: An application for businesses to store a private list of their transactions.</li>
</ul>

Kaamwork

<ul>
<li>Developed (all) the landing pages in ReactJS + NextJS</li>
<li>Developed admin database pages and integrated REST APIs</li>
</ul>

Chitransh Computers

<ul>
<li>Trained 10+ students to develop native Android applications.</li>
<li>Trained 10+ students on the concepts of OOPs and basic Java.</li>
</ul>

SOI Technologies

<ul>
<li>Built an e-commerce Android app for a local manufacturer to sell their products online</li>
</ul>

Kreatryx

<ul>
<li>Developed a book inventory manager for employees</li>
<li>Developed a live session portal for the instructors</li>
</ul>

Aptech Learning

<ul>
<li>Trained 300+ students on Web, Java &amp; Android Development</li>
<li>Organized workshops on Ethical Hacking and Software Security</li>
<li>Guided groups of students to build projects like Contact Directory (Android &amp; C++), Attendance Management (PHP, MS Excel), and Scientific Calculator (Java)</li>
</ul>

Here is the best of my latest websites, apps &amp; libraries ⭐
<a href="https://isolpro.in/portfolio" target="_blank">🔗 View all projects</a>

Top Projects

BillSplit makes your life easier by splitting bills, tracking them and getting back the balances, all in Slack.

Went out with your office colleagues for a party or coffee and you ended up paying the whole bill? Have you manually split the bill and sent a group message, or sometimes created a temporary channel sharing the split with them and asked them to send you money?

Did you ask them to react to your message once the payment is made?

Did you manually track all the payments in your bank statement to confirm?



Doesn't it sound like a lot of work? It sure did to me, and it doesn't have to be this way 😢 



That's why BillSplit was born. Now you can split bills with your colleagues on Slack with ease.



BillSplit lets you split a bill lightning fast:

<ul>
 <li>Add directly on Slack.</li>
 <li>Split the bills equally or unequally.</li>
 <li>Notifications to everyone involved with all the details.</li>
 <li>Track the amount you owe &amp; you are owed in one place. </li>
 <li>Send reminders with a single click.</li>
</ul>



No more complicated math on a spreadsheet to divide food &amp; alcohol bills. ✨



The best part?

<ul>
 <li>BillSplit is 100% free, now and forever (+ No credit card required) </li>
 <li>One-step installation, just one click on "Add to Slack"</li>
 <li>Encrypted storage of your data.</li>
 <li>Split unlimited bills and send unlimited reminders.</li>
</ul>



Add BillSplit to your Slack workspace now at <a href="https://billsplit.app" title="Add BillSplit for Slack" target="_blank" rel="noopener">billsplit.app</a>

Split bills with colleagues effortlessly on Slack!

Express

NodeJS

JavaScript

Prisma

PostgreSQL

Digital Ocean

BillSplit for Slack

Keep a private record of all your cash at one place and share with Family or Business Partners. Available on Web, Android &amp; iOS

Cash Vault is a secure encrypted database for small business owners to record their cash 💰 Share with your business partners or family member and be up-to-date on how much your own, all in real-time.

Secure, Private Database for your Cash

BlitzJS

SuperTokens

MobX

Formik

Cash Vault

Dynamically generated static website for a fintech company in Indonesia, One Brick. Marketing team can generate new pages in multiple languages (or modify the existing ones) directly through the linked CMS, without any assitance from the developer.

Dynamicly-built Static Website

React

NextJS

TailwindCSS

Figma

HTML5

CSS3

One Brick

Global e-commerce website for Shree Ghanshyam Hardware Limited with sections like Auction and Toolbox builder.

E-commerce

MySQL

jQuery

Android

Java

Bootstrap

SASS

Firebase

AJAX

SGHL

Official price list and product catalog app for employees and customers of Cee Kay &amp; Sons, Kerala.

Price List + Catalog App

CKS Product Catalog

Price List Lite is designed for small businessmen to help them create and store a price list of different products they deal with. Create Your Own Price List App builder available on the website.

Price List Lite is a simple, smart, and small-sized application that enables businesses to store a private list of products (items) that they deal with. The data on Price List Lite is owned and only accessible by the user. Your data is stored locally on your mobile device. When creating backups, the data is stored in the user's Google Drive post-authentication. Price List Lite is made for everybody as it is highly customizable and updates all information in real-time. Prime features of Price List Lite include ★ Create products with Name, SKU, Prices, and Date ★ Customize and save product images ★ Group &amp; filter products by Categories ★ Sort your list by Name ★ Search through your list ★ View products on tap ★ Share products as image ★ Show/hide certain columns before sharing ★ Delete products ★ Edit product data ★ Import PLL backup files ★ Import products from XLS (Excel) ★ Print products list or share as PDF ★ Export list as XLS (Excel) ★ Sign in with Google ★ Backup data on Google Drive ★ Restore data from Google Drive ★ Set your default currency ★ Enable/disable certain columns ★ Update column labels ★ Optional banner ads ★ Contact developer social media

Inventory Manager

Price List Lite

Transactions List Lite is designed to help businesses keep a private record of all their transactions in one place. Now create different accounts and save all their transactions in the easiest and safest way possible.

Money Manager

Transactions List Lite

Save your notes directly in your notification panel and never forget your important things ever again.

Build Custom Push Notifications. NotiBu is a simple, ad-free, lightweight tool that enables you to build your own custom notifications and push them directly to your Notification Panel. In an Android notification, there are 3 text and 2 picture spaces available. With NotiBu, you can customize all your texts (namely subtext, title, and text) and you also modify both the pictures (namely icon and picture). With the 'Fix notification' switch, you can fix your notifications so that it's not removed when you swipe or accidentally tap on the 'Clear all' button. You can even choose a date &amp; time and schedule your notification. Once scheduled, your notification will automatically be pushed to the notification panel at your chosen date-time without you needing to even open the app. You can also customize the on-tap-action for your notification. You can choose an app to be launched when you tap on a particular notification.

Custom Notification Builder

NotiBu

Resize Camera allows you to capture drastically smaller pictures with slightly lesser quality and of perfect size.

Size-first Camera App

Resize Camera

The all new community for Artists to share their talent and Followers to get their daily dose of wonder.