
Chintan Shah
Verified Expert in Engineering
Web Developer
Ahmedabad, Gujarat, India
Toptal member since April 9, 2024
Chintan is a web development team lead with expertise in Shopify, WordPress, Magento, CodeIgniter, and Squarespace. He is proficient in challenging environments and has built strong coding and design skills for on-time, budget-friendly solutions. Chintan's varied skill set also includes knowledge of extensions, themes, and core development in JavaScript, CSS, and HTML.
Portfolio
Experience
- Shopify - 12 years
- Custom Shopify Apps - 10 years
- Shopify Plus - 10 years
- WordPress - 10 years
- Front-end - 10 years
- eCommerce - 10 years
- React - 4 years
- Node.js - 2 years
Preferred Environment
Shopify, Shopify API, PSD to Shopify, WordPress, React, Shopify Plus, Shopify Theme, Custom Shopify Apps, Shopify Design, Shopify Customizations, Headless WordPress, Django, Node.js, TypeScript, PostgreSQL, MongoDB, ChatGPT, eCommerce Fulfillment, Shopify Polaris, Web Design, Three.js, HTML5 Web Workers, Instagram Ads, Meta Ads, Artificial Intelligence (AI), AI Integration, Responsive Web Design (RWD), UI Design, UX Design, Chatbots, Printing on Demand, Branding, Architecture, Symfony, Google Tag Manager, SQL, AI Automation, AI Research, AI Model Training
The most amazing...
...solution I've built is a Shopify eCommerce app that offers a customizable React neon sign design.
Work Experience
Senior Full-stack Developer
Toptal
- Designed and delivered Shopify and Shopify Plus projects with custom themes, apps, and integrations, improving conversion rates by up to 30% through UX and performance optimization.
- Developed custom Shopify apps using React and Node.js to automate workflows, integrate 3rd-party APIs, and extend store functionality.
- Architected full-stack web applications using Next.js and Node.js, deployed on Vercel with scalable CI/CD pipelines.
- Created an AI-powered meeting notes tool that records meetings, processes video via Gemini AI, and generates structured summaries automatically.
- Built pixel-perfect, mobile-first Shopify themes directly from Figma designs, ensuring 100% design accuracy and cross-device compatibility.
Full-stack Developer
3i webexperts Pvt Ltd
- Managed a team of 25 employees and worked on different technologies, leveraging Jira for project management purposes and Slack for communication.
- Communicated with clients directly, managing technical terms within the company.
- Helped achieve extraordinary growth in the company's in-market value.
Senior Shopify Developer | Shopify Expert | eCommerce Specialist | Team Leader
3i webexperts Pvt Ltd
- Collaborated closely with the IT team to complete complex projects, troubleshooting and fixing any issues relating to PHP programs.
- Ensured the smooth operation of web processes and infrastructure tasks.
- Created scripts to facilitate client systems meeting performance goals and objectives.
- Tested and developed software for client applications, created documentation for the software produced, utilized source debuggers, and obtained effective results within the set deadlines.
Senior PHP Developer
M-Connect Media
- Leveraged my skills in WordPress, Shopify, Laravel, and WooCommerce.
- Developed high-end web applications utilizing PHP, MySQL, Ajax, and API integrations.
- Acquired a good understanding of HTML5 and CSS and in-depth knowledge of MySQL, including database design and structuring, performance optimization, stored procedures, and triggers.
Web Developer
Dynamic Dreamz
- Worked with front-end technologies, including CSS3, JavaScript, HTML5, and Shopify.
- Managed and designed eCommerce stores using Shopify. I also leveraged Slack and Jira to perform reporting tasks.
- Handled client requests successfully to maintain their stores while modernizing their layouts.
Experience
Shopify Custom Website
The custom app integrates with Shopify's back end, ensuring a smooth flow of data. In addition, Python and Django were used to develop the custom app's APIs, while MySQL served as the database. To enhance the user experience during the customization process, Three.js was implemented, creating real-time 3D visualizations for the neon sign designs.
In addition to the custom sign personalizer, I designed and developed the entire website using Shopify's front-end and back-end functionalities. I also implemented cron jobs to delete uncompleted products, preventing them from appearing as purchasable options for other users.
Supernova | Shopify Theme
https://www.neon-supernova.com/enThe product page is a haven of customization. I created interactive tabs featuring a 3-image slider, a content section for detailed product descriptions, and icon-text combos—managed through user-friendly meta fields for easy updates. Building trust was paramount, so I flawlessly integrated review and Instagram feed apps directly onto the product page, showcasing real customer experiences and sparking inspiration.
Furthermore, I enhanced the user experience by building a custom shipping cost calculator on the cart page, enabling customers to see the final price with just their postal code. This project showcases my ability to develop engaging eCommerce experiences, integrate custom apps to streamline the buying journey, and ensure user-friendliness throughout the entire process, fostering customer satisfaction and driving sales.
Alcofood | Shopify Website | Shopify Custom App
https://www.alcofoods.com/The focus was on showcasing their delicious and healthy masalas (chole masala, peri-peri masala, etc.) packaged in convenient and safe seal packets. To emphasize the quality, I ensured all product information was clearly displayed, highlighting the use of 100% natural ingredients and expert-tested recipes.
The website boasts a visually appealing homepage with a video banner slider, an image slider, and a revolving video slider. I meticulously applied consistent color and font styles throughout the site for a professional look.
For enhanced user experience, I created a custom "AlcoBuzz" page inspired by Pinterest. Customers can submit Instagram reels showcasing recipes made with these masalas, which I integrated seamlessly into the page. Additionally, the website features filter options (size, diet) on the collection listing page and essential policy pages for transparency.
Shopify ONYX Printer Integration
Architected a mission-critical middleware solution to bridge Shopify orders with ONYX RIP software for a large-scale wallpaper manufacturer. The system automates the entire production pipeline, replacing manual data entry with a fault-tolerant, API-driven workflow that can handle massive print assets.
KEY ACHIEVEMENTS
• High-performance File Handling: Engineered a Node.js back end optimized to process and stream 3-5GB print files to industrial printers instantaneously, eliminating memory bottlenecks.
• Intelligent Routing Logic: Implemented complex business logic to automatically segment orders by SKU (e.g., routing samples vs. full rolls) and split continuous jobs to optimize material usage.
• Resilient Architecture: Designed a self-healing, Dockerized system with CRON-based retry mechanisms to ensure 100% order capture and continuous production uptime.
• Administrative Control: Built a custom React dashboard for real-time monitoring, granular error logging, and dynamic material-to-printer configuration mapping.
TECHNOLOGIES
Node.js, React, Docker, Shopify Webhooks, and ONYX Thrive API.
Education
Bachelor's Degree in Information Technology
Rajasthan Technical University - Rjasthan, India
Certifications
Micro1 Certified
Micro1
Skills
Libraries/APIs
Shopify API, React, jQuery, Liquid, REST APIs, Node.js, Three.js, HTML5 Web Workers, Shopify Storefront API
Tools
Adobe Business Catalyst (BC), Shopify Plus, Figma, ChatGPT, Wix, Slack, Jira, Shopify App Bridge
Languages
HTML, CSS, JavaScript, Shopify Liquid, Liquid Template, SQL, Python, PHP, TypeScript, HTML5, CSS3, GraphQL
Frameworks
Next.js, Tailwind CSS, Django, NestJS, Express.js, Shopify Hydrogen, Symfony, Laravel
Paradigms
Responsive Web Design (RWD), UI Design, UX Design, Conversion Rate Optimization (CRO), Search Engine Optimization (SEO), W3C
Platforms
Shopify, WordPress, Klaviyo, Amazon Web Services (AWS), Magento 1, Magento, WooCommerce, Webflow
Industry Expertise
Web Design
Storage
PostgreSQL, MongoDB, MySQL, MySQLi
Other
PSD to Shopify, Shopify Theme, Shopify Design, Shopify Customizations, APIs, Integration, Web Development, Code Review, Front-end, User Interface (UI), eCommerce, User Experience (UX), Figma to Shopify, WordPress to Shopify, Full-stack Development, eCommerce Fulfillment, Shopify Polaris, Liquid Templating, Startups, Web3, Full-stack, Custom Themes, PageFly, Printing on Demand, Google Tag Manager, Webhooks, Custom Shopify Apps, API Integration, Third-party Integration, Back-end, Headless WordPress, Dashboards, Accessibility, Artificial Intelligence (AI), AI Integration, Chatbots, AI Tools, Branding, Web Content Accessibility Guidelines (WCAG), Web Accessibility, Shopify SEO, AI Automation, AI Research, AI Model Training, Information Technology, Ajax, Payment Gateways, Instagram Ads, Meta Ads, Architecture, Headless UI, Public Shopify Apps, Web Applications
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