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Added 3 mins ago
K
Senior Web Developer (Full Stack)
Klick
Toronto, ON
- Full-time
…Technical Directors and cross-functional teams, and mentors developers on engineering standards, accessibility, security, performance, and effective AI-assisted…
Added 17 mins ago
SM
RQ11635 – Software Developer – ETL – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
This request is for strong developers to help in designing and developing data warehousing, BI, reporting and analytics.
Added 17 mins ago
TI
Senior Software Developer (.NET)
Teckhorizon Inc
Toronto, ON
- Contract
Participate in design walkthroughs and collaborate with developers, project managers, business stakeholders, and technical teams
Added 17 mins ago
IG
Angular Developer
Insight Global
Toronto, ON · North York, ON
- Contract
…individual will work closely with Architects, BAs, QA, and Developers in a fast-paced Agile…
Added 17 mins ago
RH
Application Development Team Lead
Robert Half
Toronto, ON · Greater Toronto Area, Canada
- $130,000 to $150,000 CAD / year
- Full-time
Our client is seeking a hands-on Application Development Team Lead to lead a small team of developers while remaining actively involved in the design, development, and delivery of…
Added 17 mins ago
K
Senior Web Developer (Full Stack)
Klick
Toronto, ON
- Full-time
…Technical Directors and cross-functional teams, and mentors developers on engineering standards, accessibility, security, performance, and effective AI-assisted…
Added 47 mins ago
TC
.NET Full stack Developer
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
Mentor junior developers and promote best development practices.Ensure application security, performance, scalability, and reliability.Identify, analyze, and remediate application…
Added 47 mins ago
SG
Développeur Javascript / Javascript Developer
Solutions GURUS (GURUS Solutions)
Montreal, QC
- Full-time
Our team of JavaScript Developers are experts in the automation of business processes, the development of new codebases, extensions and integrations with the ERP system, Netsuite. They…
Added 47 mins ago
SG
Architecte de systèmes/System Architect
Solutions GURUS (GURUS Solutions)
Montreal, QC
- Full-time
Added 48 mins ago
M
Business Analyst, Hyper Velocity Engineering
MNP
Ottawa, ON · Toronto, ON · Vancouver, BC
- Full-time
…with clients, business stakeholders, solution architects, and developers to understand business challenges, define requirements, optimize processes, and support the delivery of innovative…
Added 48 mins ago
M
Business Analyst, Hyper Velocity Engineering
MNP
AB · Calgary, AB
- Full-time
…with clients, business stakeholders, solution architects, and developers to understand business challenges, define requirements, optimize processes, and support the delivery of innovative…
Added 48 mins ago
B
Senior Greenfield Full Stack Developer (Builder)
Boeing
Vancouver, BC · Richmond, BC · CAN - Richmond, Canada
- Full-time
…software delivery. This is first and foremost grounded in Software Developers who bring both passion and experience in leveraging the latest AI tools to build cloud-native systems for…
Added 1 hour ago
LC
Senior Analytics Engineer
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Collaborate across our Hub & Spoke architecture, partnering with upstream data owner teams, downstream Looker/LookML developers, and other domain pods (Retail, Hospo, Operations) to design…
Added 1 hour ago
LC
Senior Analytics Engineer
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Collaborate across our Hub & Spoke architecture, partnering with upstream data owner teams, downstream Looker/LookML developers, and other domain pods (Retail, Hospo, Operations) to design…
Added 1 hour ago
BS
Intermediate Mechanical Engineer
Ball Service Group Inc.
Kitchener, ON
- Full-time
…environment with scientists, electrical engineers, software developers, mechanical engineers, and clinical experts to bring advanced diagnostic tools from concept through…
Added 1 hour ago
BS
ServiceNow Developer
Brainhunter Systems Ltd
Toronto, ON
- Contract
Customer focused culture to deepen client relationships, work with other team members, such as Architects, developers, business analysts, QA Testers, and the operations team in…
Added 1 hour ago
IG
Solutions Architect
Insight Global
Toronto, ON
- $62 to $65 CAD / hour
- Contract
-Experience in creating scalable data models supporting a wide variety of end user audience (Visual Analysts, BI Developers, and Data Scientists etc.)
Added 1 hour ago
MI
Microsoft Power Apps Developer 10+ years of experience
Maarut Inc
Toronto, ON
- Contract
The position will work closely with business stakeholders, architects, developers, business analysts, product/project management, cybersecurity, infrastructure, testing, and vendor teams…
Added 2 hours ago
SH
Sr Financial Analyst - Strategy & Portfolio Management
Siemens Healthineers
Ottawa, ON
- Full-time
Added 3 hours ago
W
Full-Stack Engineer
Wiraa
Canada
- Full-time
…teams, including project managers, business analysts, and other developers, to deliver innovative solutions that enhance client experiences and operational efficiencies. The ideal candidate…
Added 3 hours ago
WN
Manager, Guidewire
WCB Nova Scotia
Dartmouth, NS
- Full-time
Lead a cross-functional team of developers, analysts, QA professionals, DevOps engineers, and project resources.
Added 3 hours ago
I
Senior Staff Product Designer
Intuit
Toronto, ON
- Full-time
Deliver production-ready design: annotated Figma files, prototypes, component specs and interaction details that developers can build from without guesswork.
Added 3 hours ago
TH
Commercial Leasing Lawyer
The Heller Group Legal and Executive Search
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…represents a diverse client base, including landlords, tenants, developers, property managers, and national…
Added 3 hours ago
G
Software Developer, Google Chat iOS
Google
Waterloo, ON
- Full-time
Google's software developers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to…
Added 3 hours ago
G
Senior Software Developer, Mobile (iOS), Platforms and Devices
Google
Waterloo, ON
- Full-time
Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency).

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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