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Biswas Pun

@biswaspun

Senior Shopify Full Stack Developer at Self Employed, building custom Shopify apps and headless storefronts.

At Self Employed, I architect and maintain custom Shopify and Shopify Plus storefronts, and deliver apps and integrations using Shopify APIs, GraphQL, and REST.

I lead technical decisions for headless commerce implementations with React and Next.js, and customize checkout flows, subscriptions, customer accounts, and merchant workflows.

Previously, at Gafaro, Sheridan, I shipped full-stack applications and Shopify integrations, and helped increase user volume to more than 35,000 active users. At Nicolas Lavrow Studio, I implemented custom storefronts and reusable components for merchant requirements.

Experience

Work history, roles, and key accomplishments

Current

Senior Shopify Full Stack Developer

Current

Self Employed

Mar 2026 - Present (7 months)

Architected and maintained custom Shopify and Shopify Plus storefronts, delivered custom apps and integrations, and led headless commerce implementations using React and Next.js.

Shopify Shopify Plus Liquid Shopify Admin API Storefront API GraphQL REST React Next.js JavaScript HTML CSS Headless Commerce Payment Integration ERP CRM Fulfillment Inventory

Shopify Full Stack Developer

Gafaro

Mar 2022 - Feb 2026 (3 years 11 months)

Designed and shipped full-stack applications using React, Next.js, Node.js, Go, TypeScript, and PostgreSQL, and extended Shopify storefront functionality with custom applications and API-driven integrations.

React Next.js NodeJS Go TypeScript PostgreSQL Shopify API Integration Authentication Payment Processing Background Jobs Deployment pipelines Automation Performance Optimization

Shopify Developer

Nicolas Lavrow Studio

Aug 2020 - Feb 2022 (1 year 6 months)

Implemented custom Shopify storefronts using Liquid, JavaScript, HTML, CSS, and Shopify theme architecture, and connected third-party services including payment systems and analytics platforms.

Shopify Liquid JavaScript HTML CSS Theme Development Shopify API App integration Payment Systems Shipping Analytics Marketing Tools Performance Optimization

Education

Degrees, certifications, and relevant coursework

Birmingham City University

Bachelor of Accounting and Finance, Accounting and Finance

2016 - 2019

Activities and societies: Additional training in Agile, Scrum, and software development practices.

Pursued a Bachelor of Accounting and Finance with additional Computer Science studies, and completed training in Agile, Scrum, and software development practices.