Chintan Kotadia, Developer in Rajkot, Gujarat, India
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Chintan Kotadia

Verified Expert  in Engineering

Software and Shopify Developer

Rajkot, Gujarat, India
Toptal Member Since
April 29, 2024

Chintan has 14+ years of experience in web and software development using technologies like PHP, React, and Node.js with Express.js and frameworks like Laravel and CodeIgniter. He has also worked in the Shopify ecosystem for 10+ years, honing his expertise in Shopify Plus and private and public app development. A logical and analytical thinker, Chintan produces high-quality systems with outstanding coding standards. He built the 3rd largest eCommerce platform across the US, UK, and Canada.


Knectar Design
Laravel, Shopify, Shopify Plus, Shopify API, MySQL, Liquid Template...
Ish onCourse
React, Redux, TypeScript, JavaScript, HTML5, SCSS, CSS3, jQuery, Jekyll, Groovy...
Node.js, React, PostgreSQL, RESTful Web Services, Microservices, Ubuntu...




Preferred Environment

Ubuntu, Sublime Text, Shopify, Git, Shopify Plus, Shopify API, PHP, Figma to Shopify, Laravel, React

The most amazing...

...thing I've developed is a daily deal platform that became the 3rd largest eCommerce platform across the US, Canada, and the UK and was acquired at $XXX million.

Work Experience

Senior Software and Shopify Engineer

2015 - PRESENT
Knectar Design
  • Developed and maintained custom themes for Shopify Plus stores with custom requirements.
  • Built private Shopify apps for the store to achieve custom requirements as needed.
  • Created and maintained public Shopify apps and added new features.
  • Migrated WordPress, Magento, and custom eCommerce stores to the Shopify Plus platform and ecosystem.
  • Designed various automated workflows in Shopify Flow and configured 3rd-party apps to achieve the desirable results.
  • Optimized the store speed and implemented various A/B methodologies for boosting sales.
  • Delivered scalable, robust, and responsive systems. Identified and troubleshot various web issues and coding problems.
  • Configured and handled different deployment processes and managed various WordPress project development, release, and maintenance.
  • Wrote well-designed, testable, and efficient code using software development best practices.
  • Liaised with clients to ensure their Shopify stores or websites performed at peak levels.
Technologies: Laravel, Shopify, Shopify Plus, Shopify API, MySQL, Liquid Template, Shopify Liquid, Figma to Shopify, Custom Shopify Apps, WordPress, Theme Development, CSS3, Sass, jQuery, JavaScript, React, Node.js, Express.js, PHP, Git, Teamwork, Jira, Agile Software Development, Full-stack Development, Magento, BigCommerce, Shopify Theme, PSD to Shopify, CSS3 Animation, D3.js, Google Optimize, Optimizely, Site Speed Optimization, WordPress Themes, MongoDB, Jenkins, Webpack, React Native, Mobile Apps, eCommerce, Amazon Web Services (AWS)

Web Engineer/Developer

2011 - PRESENT
Ish onCourse
  • Acted as a leading contributor to an open-source ERP, ticketing, eCommerce, and CRM system crafted for organizations that deliver training or other event offerings.
  • Migrated applet-based legacy system to the React architecture.
  • Developed various components and modules of the system.
  • Collaborated with other team members and followed Agile methodology.
  • Led the complete front-end architecture development for the customer-facing website.
  • Developed a drag-and-drop module-based CMS system that allows administrators to create sections on the fly without worrying about coding.
  • Created a quick corporate address book for managing the various contact information.
Technologies: React, Redux, TypeScript, JavaScript, HTML5, SCSS, CSS3, jQuery, Jekyll, Groovy, Tapestry, Agile Software Development, Agile Sprints, Liquid Template, Jenkins, Gradle, PHP, MySQL, Ruby, Ruby Gems, Ruby ERB, PSD to HTML, Git, GitHub, Subversion (SVN), Drag & Drop, Bootstrap, Material UI

Founding Engineer

2020 - 2022
  • Developed a community-based mobile application for all mobile devices, providing peer-to-peer matching and community groups centered around mental health.
  • Collaborated with founders on business decisions and scaling the platform.
  • Discussed, brainstormed, and analyzed various ideas, converting them into technical opportunities.
  • Created the system or platform roadmap, interviewed and recruited developers, led the team, and distributed tasks.
  • Designed and developed the base architecture of the platform from scratch.
  • Handled DevOps and released mobile applications to the markets.
  • Built the entire platform using the latest tools, such as Node.js with Express.js, PostgreSQL, React, Redux, and Flutter.
  • Led the way and changed the new operation platform's business model that can be used for time management.
Technologies: Node.js, React, PostgreSQL, RESTful Web Services, Microservices, Ubuntu, Amazon Web Services (AWS), Flutter, Jira Administration, Agile Sprints, Mobile App Development, TypeScript, Next.js, AWS Deployment, Git, Chatbase, Firebase, Streaming, Push Notifications, Google Play Store, MongoDB, Webpack, React Native, REST APIs, Full-stack Development

Lead Engineer and Technical Head

2012 - 2016 (now nCrowd)
  • Built the 3rd largest daily deal eCommerce platform with 20+ million active users conducting heavy transactions daily.
  • Developed and scaled the system with other team members to achieve the best-performing website.
  • Acquired 20+ sites daily and migrated their system data, such as users, store credit or wallet, and reward points, to the platform.
  • Handled and maintained all servers, load balancers, master and slave databases, and websites.
  • Integrated and maintained all 3rd-party APIs used for calling, billing, payments, and marketing.
  • Converted business requirements into a technical system architecture design and collaborated with other team members to achieve results.
Technologies: PHP, MySQL, HTML, CSS3, jQuery, JavaScript, Twilio API, API, Sailthru API, Object-oriented Programming (OOP), Git, Ubuntu Server, Load Balancers, Linux Server Administration, Database Management, Data Migration, Facebook API, Google Maps API, Agile Software Development, Software Architecture, Bootstrap, JetPay, PayPal, Amazon Web Services (AWS), Full-stack Development

A premier destination for mattresses and a house of direct-to-consumer brands.

I was a lead Shopify engineer, creating and managing the Shopify Plus stores for Resident and their various brands, including Awara, Nectar, and Cloverlane. I also developed private apps to achieve custom requirements. I configured an automated email flow using Klaviyo for customer engagement and set up various A/B strategies using Google Optimizer and Optimizely to boost website and sales performance.

Pioneer Valley Books
A leading resource for educators and parents, providing high-quality books, reading programs, and other tools to support beginning readers.

I migrated and set up their store from Magento to Shopify Plus. I developed themes, custom Ruby scripts, private apps, and other custom requirements. I also contributed to mapping their products into Algolia for faster search results and handled related custom requirements.

Job Portal

A job portal for business management talents, such as financial and management consultants.

I was a lead engineer on this project, directly reporting to the CTO. I developed the job portal, where leading financial and management companies would post their job requirements, and consultants could bid on the projects.

Coconut Bowls
Coconut Bowls is a leading eCommerce website that sells eco-friendly crockery across the globe. I was the lead engineer and handled the entire gamut of the store development including theme development, theme customization, maintenance, creating private apps, configuration of public apps, and customization depending upon the requirement.

Ish onCourse
I acted as a leading contributor to an open-source ERP, ticketing, eCommerce, and CRM system crafted for organizations that deliver training or any other event offerings. I have been a web engineer/developer with this organization since 2011 and have contributed to various systems and projects. This system is being used by leading colleges like The University of Sydney, Sydney Community College, City East Community College, Open NIDA, and many more.
2006 - 2010

Bachelor's Degree in Information Technology

V.V.P. Engineering College - Gujarat, India


PHP Certification



Shopify API, jQuery, Node.js, REST APIs, Shopify Storefront API, Twilio API, API, React, Sailthru API, Facebook API, Google Maps API, D3.js, Liquid, Ruby ERB


Shopify Plus, Bitbucket, SendGrid, Sublime Text, Git, Shopify Theme Kit, Jira, AWS Deployment, Chatbase, GitHub, Optimizely, Google Optimize, Jenkins, Grunt, Webpack, Flow, Gradle, Jekyll, Subversion (SVN), Figma


Laravel, Express.js, Bootstrap, Flutter, Next.js, Yii, Foundation CSS, Apache Tapestry, Redux, Tapestry, Material UI, React Native


PHP, JavaScript, CSS, HTML, Liquid Template, Shopify Liquid, Sass, HTML5, SCSS, Java, CSS3, TypeScript, Ruby, Python, Groovy


REST, Agile Software Development, Waterfall Development, Object-oriented Programming (OOP), Microservices


Shopify, Amazon Web Services (AWS), Windows, Ubuntu, WordPress, Magento, BigCommerce, Firebase, Klaviyo


MySQL, Database Management, PostgreSQL, MongoDB


Custom Shopify Apps, Theme Development, Teamwork, Full-stack Development, Site Speed Optimization, CSS3 Animation, PSD to Shopify, eCommerce, WordPress Themes, Figma to Shopify, Web Development, Software Development Lifecycle (SDLC), Ubuntu Server, Load Balancers, Linux Server Administration, Data Migration, Software Architecture, JetPay, PayPal, RESTful Web Services, Jira Administration, Agile Sprints, Mobile App Development, Streaming, Push Notifications, Google Play Store, Shopify Theme, Checkout, Subscriptions, Page Speed Optimization, Shopify scripts, Ruby Gems, PSD to HTML, Drag & Drop, Mobile Apps

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