We are hiring a Shopify Engineer to maintain and expand Landmark Global’s existing Shopify application that powers our Digital Front End platform. This application connects Shopify merchants with Landmark Global’s Mercury NextGen logistics and cross-border commerce services, enabling international shipping, duties and tax calculation, and global fulfillment capabilities. This role focuses on maintaining a production Shopify app, scaling integrations, and incrementally expanding platform capabilities over time.

Rather than building a new system from scratch, the engineer will work within an established codebase to improve reliability, support merchant integrations, and deliver targeted feature enhancements. This role requires strong backend engineering skills to design and maintain orchestration layers that connect Shopify with multiple logistics and commerce systems. The engineer will help evolve the platform architecture over time as additional commerce, payments, and logistics capabilities are integrated.

This role focuses on Shopify app development and platform integrations, not Shopify theme development. Platform & Technology Stack The Shopify Digital Front End platform integrates Shopify with Landmark Global’s Mercury NextGen logistics infrastructure. The core technologies used within this platform include: Shopify Admin API (GraphQL)

Checkout UI Extensions and Shopify Functions

Node.js and TypeScript backend services

Shopify CLI and embedded app architecture

OAuth authentication and Shopify webhooks

API orchestration layers connecting Shopify to Mercury NextGen services

Cloud infrastructure and CI/CD deployment pipelines

Event-driven integrations across logistics and commerce systemsCore responsibilities will include the following areas:

Maintain and enhance Landmark Global’s existing Shopify application used by international merchants

Scale integrations between Shopify and Mercury NextGen logistics services





Develop and maintain Shopify Admin API and GraphQL integrations

Implement and enhance Checkout UI Extensions and Shopify Functions

Support cross-border ecommerce capabilities including duties and tax calculations

Design and maintain backend services and orchestration layers connecting Shopify with multiple internal systems

Develop API gateway integrations supporting shipping, compliance, payments, and fulfillment workflows

Improve reliability, performance, and maintainability of the production platform

Troubleshoot and resolve production issues affecting merchant integrations

Collaborate with Product Management to deliver incremental platform improvements

Contribute to CI/CD pipelines, automated testing, and release processes

Work with distributed engineering teams to support feature releases and platform improvements

Additional duties, as assigned Requirements/Qualifications include:

Bachelor’s degree in Computer Science, Engineering, Information Systems, or related field

5–8 years of qualified software development experience

2+ years building or maintaining Shopify apps (experience limited to Shopify theme customization is not sufficient)

Strong experience developing Shopify apps using the Shopify Admin API and GraphQL

Experience implementing Checkout UI Extensions and Shopify Functions

Strong backend engineering skills using Node.js and TypeScript or similar technologies

Experience designing and maintaining API orchestration layers or gateway services that integrate Shopify with multiple backend systems

Experience integrating third‑party APIs and external platforms

Strong debugging and troubleshooting skills for production systems

Experience working in Agile development environments

Strong communication and collaboration skills working with global teams

Applicants should be prepared to provide links to Shopify apps they have built or maintained, GitHub repositories, or examples of production Shopify API integrations

📌 Shopify Engineer - CB (Chennai)
🏢 Radial
📍 Chennai