Job Description – Shopify Lead Developer
Job Title: Shopify Lead Developer
Location: San Ramon, California
Work Arrangement: Onsite
Position Overview
Client is seeking an experienced Shopify Lead Developer to lead the development, customization, and integration of its Shopify e-commerce platform. The ideal candidate will have strong hands-on experience building custom Shopify applications, customizing storefronts, developing with HTML, CSS, and JavaScript, implementing webhooks, and integrating third-party enterprise systems such as Warehouse Management Systems (WMS), Order Management Systems (OMS), and Retail Management Systems (RMS).
This role requires a technically strong professional who can deliver scalable, reliable, and high-performing e-commerce solutions while supporting business requirements, platform integrations, and continuous storefront improvements.
Key Responsibilities
1. Shopify Store Customization
- Customize and enhance Shopify storefronts to meet business, branding, and customer experience requirements.
- Develop and maintain Shopify themes using Liquid, HTML5, CSS, and JavaScript.
- Customize Shopify theme layouts, templates, sections, snippets, blocks, and theme settings.
- Work with Shopify Online Store 2.0 features, including dynamic sections, app blocks, metafields, and metaobjects.
- Support multi-store, multi-country, multi-currency, and multi-locale storefront implementations.
- Optimize storefront performance, responsiveness, accessibility, and cross-browser compatibility.
- Manage theme development, testing, deployment, and version control.
2. Custom Shopify Application Development
- Design, develop, and maintain custom Shopify applications to support business operations and e-commerce functionality.
- Build and extend Shopify apps using technologies such as Node.js, React, Remix, and other relevant frameworks.
- Work with Shopify Admin APIs, GraphQL APIs, REST APIs where applicable, and Shopify app extensions.
- Implement secure authentication, API access, and application permission management.
- Develop scalable solutions capable of supporting high-traffic events, seasonal sales, and peak shopping periods such as Black Friday.
- Troubleshoot application issues, optimize performance, and maintain application reliability.
- Follow coding standards, testing practices, and secure development principles.
3. HTML, CSS, and JavaScript Development
- Develop responsive and interactive storefront experiences using HTML5, modern CSS, and JavaScript.
- Apply CSS Flexbox, Grid, custom properties, and responsive design techniques.
- Use Vanilla JavaScript and modern lightweight libraries where appropriate.
- Work with frontend build tools and development workflows such as Shopify CLI, Vite, and Tailwind CSS, as applicable.
- Maintain source code using Git-based version control systems such as GitHub or GitLab.
- Collaborate with design, product, and engineering teams to implement user interface improvements.
- Troubleshoot frontend defects and optimize page performance.
4. Shopify Webhooks and Event Processing
- Configure and maintain Shopify webhooks for orders, products, inventory, fulfillment, customers, and other relevant events.
- Develop secure webhook endpoints and validate incoming webhook requests.
- Process webhook payloads and synchronize data between Shopify and external applications.
- Implement reliable error handling, retry mechanisms, duplicate-event detection, and idempotent processing.
- Address potential event-ordering issues and ensure data consistency across integrated systems.
- Monitor webhook delivery, troubleshoot failures, and implement logging and alerting mechanisms.
- Ensure reliable event processing during high-volume transaction periods.
5. Third-Party Systems Integration
- Design, develop, and maintain integrations between Shopify and enterprise platforms, including:
- Warehouse Management Systems (WMS)
- Order Management Systems (OMS)
- Retail Management Systems (RMS)
- Enterprise Resource Planning (ERP) systems
- Inventory and fulfillment platforms
- Shipping, logistics, and other third-party applications
- Integrate external systems using REST APIs, GraphQL APIs, webhooks, middleware, and app connectors.
- Evaluate and implement suitable Shopify apps or integration platforms when appropriate.
- Synchronize orders, inventory, product information, fulfillment status, customer data, and returns.
- Troubleshoot API failures, synchronization delays, duplicate records, and data inconsistencies.
- Coordinate with external vendors and internal stakeholders to ensure reliable end-to-end integration.
6. Scalability, Performance, and Reliability
- Design scalable Shopify applications and integration workflows.
- Implement background processing, queues, caching, and other appropriate techniques to handle high transaction volumes.
- Identify performance bottlenecks and improve application and storefront responsiveness.
- Establish monitoring, logging, error recovery, and operational support practices.
- Ensure the reliability and integrity of data flowing between Shopify and connected systems.
7. Technical Leadership and Collaboration
- Lead technical implementation and contribute to Shopify architecture and development decisions.
- Collaborate with e-commerce, product, design, operations, and business teams.
- Translate business requirements into practical technical solutions.
- Conduct code reviews and promote maintainable, reusable, and secure code.
- Troubleshoot complex production issues and recommend long-term improvements.
- Support technical documentation, knowledge sharing, testing, and release management.
Required Qualifications
- Strong hands-on experience with Shopify development, customization, and e-commerce implementations.
- Demonstrated experience building and maintaining custom Shopify applications.
- Proficiency in HTML5, CSS3, JavaScript, and modern frontend development practices.
- Hands-on experience with Shopify Liquid and theme customization.
- Experience configuring Shopify webhooks and implementing reliable event-processing workflows.
- Experience integrating Shopify with third-party platforms such as WMS, OMS, RMS, ERP, or fulfillment systems.
- Knowledge of REST APIs, GraphQL APIs, JSON payloads, authentication, and API integration patterns.
- Experience with Git and collaborative software development workflows.
- Understanding of application scalability, performance optimization, error handling, and data integrity.
- Strong troubleshooting, analytical, communication, and collaboration skills.
- Ability to work onsite in San Ramon, California.
Preferred Qualifications
- Experience with Shopify Online Store 2.0, app blocks, theme extensions, metafields, and metaobjects.
- Experience with Node.js, React, Remix, Shopify CLI, and modern application frameworks.
- Familiarity with Shopify Markets and multi-country, multi-currency, and multi-locale implementations.
- Experience with middleware, integration connectors, message queues, and asynchronous processing.
- Experience supporting high-volume e-commerce operations and peak shopping events.
- Experience with automated testing, CI/CD, application monitoring, and production deployment practices.
- Previous experience in retail, fashion, apparel, or direct-to-consumer e-commerce.
Key Technical Skills
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Skill Area
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Technologies / Experience
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Shopify Development
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Shopify platform, custom apps, Admin API, GraphQL
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Store Customization
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Liquid, themes, templates, sections, blocks, metaobjects
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Frontend Development
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HTML5, CSS3, JavaScript, responsive design
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App Development
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Node.js, React, Remix, Shopify CLI
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Webhooks
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Event handling, retries, idempotency, error recovery
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Integrations
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WMS, OMS, RMS, ERP, REST APIs, GraphQL, middleware
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Development Tools
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GitHub/GitLab, Vite, Tailwind CSS
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Performance
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Scalability, caching, queues, monitoring, optimization
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Global Commerce
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Multi-store, multi-country, currency and locale support
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