Senior Shopify Engineer, Jamshedpur

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 ExtensionsFunctions 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. Develop: 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 versioningCreate 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) 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 managementPayment 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 logicRecovery 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 throttlingQueue-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 strategiesSecure 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 APIStorefront 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 YouArchitect-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 thinkingThis 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!