Senior Shopify Engineer

Uplers; Vellore; Remote; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Remote work

Job summary

A leading tech staffing company is looking for a Senior Shopify Engineer to take ownership of Shopify ecosystems. The role emphasizes migration experience, performance engineering, and involves advanced architectural design for Shopify apps and checkout systems. Candidates should possess robust skills in Azure, Liquid, and API integrations. This opportunity offers flexibility with a full-time contract for 6 months.

Qualifications

• 8+ years of professional software engineering experience.
• 3+ years working on high-availability, high-traffic systems.
• Demonstrable track record of Shopify checkout-sensitive implementations.
• Proven ability to manage multiple complex projects simultaneously.

Responsibilities

• Architect and develop fully custom Online Store 2.0 themes.
• Design and build private Shopify apps.
• Implement Checkout UI Extensions.
• Handle APIs, webhooks, and migrations to Functions.
• Lead architecture for high-availability, scalable Shopify ecosystems.

Skills

Migration experience

Performance Engineering

Azure infrastructure

Playwright E2E testing

React

Shopify functions

UI Extensions

Agile

PHP

Scrum

Tools

Shopify Admin GraphQL API

REST API

Liquid

Docker

Azure

TypeScript

PHP (Laravel)

SQL

Prisma

Docker

Azure

Git

CI/CD

Playwright

Shopify Admin GraphQL API

Storefront API

Job description

Infrastructure & DevOps (Azure-First)

• Experience: 8.00 + years
• Salary: Confidential (based on experience)
• Expected Notice Period: 7 Days
• Shift: (GMT+05:30) Asia/Kolkata (IST)
• Opportunity Type: Remote
• Placement Type: Full Time Contract for 6 Months (40 hrs a week/160 hrs a month)

*Note: This is a requirement for one of Uplers' client - BE

What do you need for this opportunity?

Must have skills required:

• Migration experience
• Performance Engineering
• Azure infrastructure
• Playwright E2E testing
• react
• Shopify functions
• UI Extensions
• Agile
• PHP
• Scrum

BE is Looking for:

Senior Shopify Engineer (Themes Apps Extensions Functions Checkout Infrastructure AI)

Role Overview

We are seeking a highly senior, technically authoritative Shopify Engineer with deep expertise across the entire Shopify ecosystem — including Themes (Liquid), Apps, Extensions, Shopify Functions (Wasm), Checkout Extensibility, Hydrogen/Oxygen, API orchestration, and high‑scale commerce infrastructure.

This role requires a track record of mission‑critical checkout implementations, advanced API handling under rate limits, subscription and payment systems, and the ability to design and orchestrate complex multi‑system architectures while maintaining performance, reliability, and scalability.

Core Responsibilities

Shopify Storefront & Theme Engineering

Architect and develop fully custom Online Store 2.0 themes.

• Advanced proficiency in Liquid templating (sections, blocks, dynamic schema configuration).
• Build modular, reusable, merchant-configurable custom blocks and sections.
• Implement Theme App Extensions for scalable, upgrade‑safe customizations.
• Develop and optimize storefront performance (Core Web Vitals, Lighthouse, lazy loading, script isolation).
• Implement smart discount presentation logic and dynamic merchandising rules.

Shopify Apps & Platform Development

Design and build private Shopify apps.

• Admin embedded apps (React / TypeScript)
• App proxy pages
• Webhook processors
• OAuth flows
• Full lifecycle app management
  • App registration
  • Store installation flows
  • Permission scopes management
  • API versioning
• Create internal tooling dashboards for merchants and operations teams.

Shopify Extensions & Functions (Modern Architecture)

Deep experience required in Checkout UI Extensions.

• Implementing logic across supported checkout extension points.
• Custom UI injection with strong state management.
• Secure and compliant checkout customization strategies.
• Shopify Functions (Wasm Runtime)
  • Writing high-performance functions in Rust (preferred for production-grade performance) and JavaScript (where appropriate).
  • Implement business rules for discount logic, shipping customization, payment customization (where supported).
  • Migrating legacy Scripts to modern Functions-based architecture.

Checkout, Payments & Subscriptions (Critical Expertise)

Candidates must have delivered real‑world implementations involving:

• Carrier-calculated shipping (CarrierService API).
• Custom shipping rate logic engines.
• Subscription APIs using Shopify Subscription Contracts.
• Recurring billing flows and lifecycle management.
• Payment provider integrations.
• Secure transaction orchestration.
• PCI-aware architecture decisions.
• Handling checkout-sensitive modifications with safe rollout strategies.
• Must demonstrate experience with Idempotency handling, transaction reliability, webhook reconciliation logic, recovery strategies for failed billing events.

Shopify APIs – Advanced Engineering

• Strong expertise in Shopify Admin GraphQL API.
• REST API (legacy support and maintenance).
• Storefront API.
• Including deep understanding of rate limiting mechanics, implementing adaptive throttling, queue-based request management, retry/backoff strategies, idempotent webhook handling, background job processing, event-driven architectures, bulk & data operations.
• Bulk API operations (GraphQL bulk queries & mutations), high-volume import/export systems, data migration tooling, custom sync engines, scheduled background processing pipelines.

Headless Commerce

Building storefronts using Hydrogen (React-based framework), modern React Router patterns, deploying to Oxygen, designing hybrid/headless commerce strategies, secure integration with backend services.

Infrastructure & DevOps (Azure-First)

• Mandatory expertise in Microsoft Azure, App Services, Container Apps, Networking, Secrets management, Monitoring & logging.
• Docker (production-grade containerization).
• CI/CD pipelines (GitHub Actions / Azure DevOps).
• Environment management & configuration strategies, zero-downtime deployments, rollback strategies, observability & performance monitoring.

Backend Engineering

• Node.js or PHP (Laravel preferred), strong TypeScript proficiency.
• Advanced SQL knowledge, ORM usage (e.g., Prisma or equivalent).
• Background job systems, queue management, caching strategies (Redis or equivalent).

Testing & Quality Engineering (Non-Negotiable)

• Strong automation discipline required: Playwright for E2E testing (mandatory), unit testing (Jest/Vitest/PHPUnit), API contract testing, webhook simulation frameworks, load testing for checkout flows, CI-integrated test pipelines, deterministic testing for subscriptions & recurring billing.
• Must understand testing in the context of checkout reliability, subscription lifecycle validation, shipping rate correctness, data integrity under load.

AI & Advanced Systems

• Production experience with Retrieval-Augmented Generation (RAG), agentic workflows, tool orchestration, multi-step reasoning systems, MCP-style integrations.
• Safe AI integration into commerce flows, evaluation & observability of AI systems.

Required Experience

• 8+ years of professional software engineering experience.
• 3+ years working on high‑availability, high‑traffic systems.
• Demonstrable track record of Shopify checkout-sensitive implementations.
• Proven ability to manage multiple complex projects simultaneously.

Required Technical Stack Knowledge

• Liquid, TypeScript / JavaScript, React, Remix / React Router patterns, Rust (for Shopify Functions), Node.js, PHP (Laravel), SQL (advanced), Prisma (or equivalent ORM), Docker, Azure, Git, CI/CD pipelines, Playwright, Shopify Admin GraphQL API, Storefront API, Bulk Operations API, Webhooks & event-driven architectures.

Strong Advantages

• Shopify Plus experience.
• Public Shopify App Store releases.

Migration Experience (Scripts → Functions)

• Headless commerce at scale.
• Advanced performance engineering.
• Open-source contributions.
• Agile/Scrum leadership experience.

What We Expect From You

• Architect-level in Shopify.
• Comfortable owning checkout-critical systems.
• Fluent in platform limitations and extensibility boundaries.
• Experienced in rate-limit-safe API orchestration.
• Strong in observability and reliability.
• A mentor and technical leader.
• Detail-oriented with system-level thinking.

This is a deeply technical, high-ownership engineering role focused on building and maintaining advanced Shopify commerce ecosystems at scale.

How to apply for this opportunity?

• Step 1: Click On Apply! And Register or Login on our portal.
• Step 2: Complete the Screening Form & Upload updated Resume.
• Step 3: Increase your chances to get shortlisted & meet the client for the Interview!

About Uplers

Our goal is to make hiring reliable, simple, and fast. Our role will be to help all our talents find and apply for relevant contractual onsite opportunities and progress in their career. We will support any grievances or challenges you may face during the engagement.

(Note: There are many more opportunities apart from this on the portal. Depending on the assessments you clear, you can apply for them as well).

So, if you are ready for a new challenge, a great work environment, and an opportunity to take your career to the next level, don't hesitate to apply today. We are waiting for you!