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Added 51 mins ago
CI
Senior Microsoft 365 & Unified Communications Engineer
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- Full-time
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AI
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HW & SW Applications Admin 1
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Added 1 day ago
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…project management oversight and accountability for the related infrastructure projects. Oversees the Interim Risk Management Framework working group. Ensures decisions are risk-based and…
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Specialist - Server Support - JWS (35hrs)
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Added 2 days ago
MA
Senior Shopify Developer, Apps & Integrations
Makro Agency
Canada
- Full-time
Make system design decisions for integrations that must be correct under load: idempotency, background jobs, rate limits, retries and failure recovery.
Added 2 days ago
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Project Manager (Asset Management)
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Kitchener, ON
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Added 4 days ago
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AI Administrator, M365 & Copilot Platform - EN 328
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Lead and ensure integrated digital, data, infrastructure, and cybersecurity implementations to create excellent customer, user, and employee experiences.
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AI Administrator, M365 & Copilot Platform - EN 328
Export Development Canada | Exportation et développement Canada
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Lead and ensure integrated digital, data, infrastructure, and cybersecurity implementations to create excellent customer, user, and employee experiences.
Added 5 days ago
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Infrastructure System Admin
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Toronto, ON
- $45 CAD / hour
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Collaborate with development, infrastructure, security, and architecture teams to define and implement middleware solutions.
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Added 6 days ago
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Makro Agency

Senior Shopify Developer, Apps & Integrations

Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 5, 2026

Original job description

Design and build the custom apps, extensions and integrations that run our merchants' B2B operations.

About the role

We are looking for a senior developer to design, architect and build the custom apps, extensions and integrations that run our merchants' B2B operations, and take them all the way to production. The problems are hard and interesting: large data syncs and ERP integrations that have to run correctly every time.

What you would do

Design and build Shopify apps and extensions, from architecture to production.
Build and maintain Shopify-to-ERP integrations, including data mapping, scheduled and event-driven syncs, and reconciliation.
Make system design decisions for integrations that must be correct under load: idempotency, background jobs, rate limits, retries and failure recovery.
Work AI-first: use Claude Code and other agentic tools to plan, build, test and review, and keep the repo instructions and guardrails that make them reliable up to date.
Set and follow coding standards through code reviews, automated testing and clear documentation.
Own what you ship: deployments, monitoring, and fixing production issues quickly and at the root cause.
Take on unfamiliar problems, such as a new Shopify API, a new ERP or a merchant's data quirks, and find a way through without waiting to be told how.
Keep the merchant's outcome at the centre of technical decisions, and join merchant calls when a technical conversation is needed.
Mentor other developers on Shopify and integration patterns.

What you bring

Six or more years of software development, with at least three years of TypeScript and Node.js in production.
Deep knowledge of Shopify app development: the Admin GraphQL API, webhooks, OAuth and the Shopify CLI.
Hands-on experience with Shopify Plus B2B.
At least one Shopify-to-ERP integration delivered to production.
At least one checkout, customer account or Shopify Functions extension shipped to production.
Strong system design skills for high-volume, event-driven integrations.
Experience building multi-tenant applications, including data isolation between tenants.
Daily use of AI coding tools such as Claude Code, and the judgement to review, test and correct what they produce.
A track record of finding solutions when a project hits something new or unexpected.
Clear written and spoken English, and the confidence to explain a technical trade-off to a merchant.

Nice to have

A public app on the Shopify App Store, including App Store review and the Billing API.
Experience running a Shopify app in production at scale.
Infrastructure as code (Terraform) and cloud deployment on AWS or Vercel.

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More about this job

Responsibilities

Design, build, and maintain Shopify apps, extensions, and ERP integrations, taking them from architecture through production while ensuring reliable, high-volume data synchronization. Own deployments and production support, establish engineering standards, use AI coding tools responsibly, mentor developers, and keep merchant outcomes central to technical decisions.

Requirements

Requires at least six years of software development experience, including three or more years using TypeScript and Node.js in production, deep Shopify app development knowledge, and hands-on Shopify Plus B2B experience. Candidates must have delivered a Shopify-to-ERP integration and a checkout, customer account, or Shopify Functions extension to production, with strong integration design, multi-tenant application, AI coding tool, and communication skills.

Skills

Shopify App Development
TypeScript
Node.js
Shopify Admin GraphQL API
Webhooks
OAuth
Shopify Plus B2B
ERP Integrations
System Design
Event-Driven Integrations
Multi-Tenant Applications
Data Isolation
Automated Testing
AI Coding Tools
Production Monitoring
Mentoring

Visa sponsorship

Not detected in the job text

Keywords

Shopify
Shopify Apps
Shopify Extensions
Shopify Admin GraphQL API
Shopify CLI
Shopify Plus B2B
Shopify Functions
TypeScript
Node.js
ERP Integrations
Data Mapping
Scheduled Syncs
Event-Driven Syncs
Idempotency
Background Jobs
Rate Limits
Retries
Failure Recovery
Multi-Tenant Applications
Data Isolation
Claude Code
AI Coding Tools
Automated Testing
Code Reviews
Production Monitoring
Shopify App Store
Billing API
Terraform
AWS
Vercel

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