Launch offer: Your first 15 development hours are free. Standard charges apply after that.
Available for select projects

Senior Shopify & Full-Stack Developer

Custom Shopify Apps & Backend Integrations That Solve Real Business Problems

I help Shopify merchants, agencies, and SaaS founders build custom Shopify apps, automate business workflows, and integrate payment systems using Shopify GraphQL APIs, PHP, Symfony, and modern backend technologies.

Commerce stack

Production-ready systems

PHP

Backend

GraphQL

APIs

9

Projects

Shopify AppsPHP & SymfonyGraphQLStripeLiquidReact

How I can help

Shopify development for the problems slowing your business down.

For merchants improving store operations, agencies extending delivery capacity, and SaaS founders connecting their products to Shopify.

Selected projects

Shopify apps, storefronts & payment integrations.

Start with subscription billing, payment APIs, customer reviews and a branded Shopify storefront. Case studies separate documented product scope from my individual contributions.

Interactive preview
Product Subscription App project preview

Project 01

Product Subscription App

ShopifySubscriptionsRecurring Billing

Shopify subscription app for recurring billing and flexible delivery schedules. Customers and administrators can manage wallet and card payments and pause, skip, cancel, or renew subscriptions.

Explore Product Subscription App
Interactive preview
Payment Service API project preview

Project 02

Payment Service API

Payment APIsWebhooksIntegrations

Unified Payment Service API for Stripe, PayPal, and Razorpay integrations. Reusable endpoints support payment webhooks, refunds, and transaction status tracking for external applications.

Explore Payment Service API
Interactive preview
ReviewHub project preview

Project 03

ReviewHub

ShopifyProduct ReviewsSaaS

Shopify product review app by Stellen Infotech for collecting and managing customer feedback. Storefront widgets display product reviews, star ratings, and testimonials alongside the shopping experience.

Explore ReviewHub
Interactive preview
White Rabbit Rice project preview

Project 04

White Rabbit Rice

ShopifyStorefrontFood & Beverage

Shopify storefront for White Rabbit's premium rice range, combining product discovery, brand storytelling, and online purchasing in a branded shopping experience.

Explore White Rabbit Rice
View all 9 projects

Development expertise

Shopify, PHP & full-stack development expertise.

From Liquid storefronts to Symfony backends, I connect the customer experience with APIs, databases, and payment services. Explore the technologies behind my eCommerce and SaaS work.

Shopify App Development

Building and maintaining Shopify SaaS applications using Shopify APIs, secure backend services, subscription workflows, and eCommerce-focused architecture.

PHP & Symfony

Strong hands-on experience with PHP, Symfony, scalable backend architecture, Ajax workflows, and production-ready eCommerce application development.

REST & GraphQL APIs

Integrating RESTful APIs and GraphQL APIs for Shopify apps, payment services, webhooks, transaction handling, and external platform integrations.

Payment Gateway Integrations

Experience with Stripe, PayPal, Razorpay, refunds, webhooks, transaction status handling, wallet payments, card payments, and secure payment flows.

Shopify Liquid & Themes

Creating Shopify themes and Liquid customizations, storefront sections, theme settings, UI refinements, and performance-focused updates.

JavaScript, UI/UX & Performance

JavaScript development, UI/UX optimization, component development, Less CSS, performance tuning, code optimization, and mobile-first storefront improvements.

Git, Postman, Redis, RabbitMQ & SQL

Using Git, GitHub, Agile workflows, Postman, Redis, RabbitMQ, and SQL to support reliable development, testing, and delivery.

Laravel Development

Building Laravel applications, APIs, queues, authentication, and scalable business workflows with clean, maintainable PHP architecture.

Web Development

Creating responsive, accessible web experiences with HTML, CSS, JavaScript, APIs, performance optimization, and production-ready delivery.

Full Stack Development

Delivering complete products across React storefronts, Node.js and PHP services, databases, integrations, testing, and deployment.

Shopify Theme Development

Developing custom Shopify themes, sections, blocks, templates, and theme settings with Liquid and Online Store 2.0.

Shopify Expert

Providing end-to-end Shopify expertise across apps, themes, APIs, subscriptions, checkout extensions, performance, and ongoing support.

Experience

Software development experience, from testing to team leadership.

I'm Vikas Soni, a senior Shopify and full-stack developer based in India with 4+ years of experience. I build custom Shopify apps, Liquid themes, and PHP/Symfony backends for eCommerce and SaaS businesses. My work includes subscription billing, payment gateway integrations, and REST and GraphQL APIs, with a focus on reliable workflows and maintainable code.

Currently at Stellen Infotech

Senior PHP Developer

Stellen Infotech

Sr. PHP Developer

Mar 2026 — Present

Developing and maintaining Shopify apps using PHP, Shopify APIs, and scalable backend services for SaaS and eCommerce workflows. Building Shopify themes and Liquid customizations, including storefront sections, theme settings, UI refinements, and performance-focused updates. Managing interns by assigning tasks, reviewing work, guiding implementation, and helping them follow development best practices.

Webkul

Full Stack Developer | Software Engineer

Feb 2023 — Feb 2026

Worked in PHP, Symfony, and Shopify with hands-on team leadership responsibilities. Managed project execution, assigned tasks to junior developers, conducted knowledge transfer sessions, reviewed code, analyzed requirements, mentored team members, and coordinated with stakeholders. Developed Shopify subscription applications, payment integration services, and Shopify AMP solutions using secure APIs, webhooks, scalable backend services, and performance-focused storefront templates.

Quantum IT Innovation

Tester

Jun 2022 — Dec 2022

Tested web applications and Android applications. Performed unit testing, functional testing, and non-functional testing. Created requirement documents according to client needs.

Education

Computer applications & commerce education.

An MCA and a commerce degree provide the technical and business foundation for my work on eCommerce applications, payments, and SaaS products.

SGT University, Gurugram

MCA (Master of Application)

2021 — 2023

Completed MCA with CGPA 8.6.

KUK University

B.Com

2018 — 2021

Completed B.Com with 71%.

Interactive commerce demo loading · Illustrative Metrics

Work with a Shopify developer

Discuss Your Project

Share your requirements, current challenges, and timeline. I can help you plan a custom app, improve an existing storefront, or connect your platform to the services your business needs.

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Prefer email? vikassoni2018@gmail.com