Senior Shopify Developer – Contractor

Avex E-commerce

. Develop and customize Shopify-based ecommerce websites according to project requirements and brand guidelines .

Posted 10/7/2026contractRemote • United States, CanadaSenior💰 $80,000 - $110,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Shopify development and customization, including theme implementation, third-party integrations, and SEO best practices. Proficient in managing eCommerce functionalities such as payment gateways, product catalogs, and performance optimization.

Highest-signal resume keywords

Shopify ExpertiseEcommerce Website DevelopmentAPI IntegrationSEO Best PracticesVersion Control with Git

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Shopify DevelopmentCustom Theme ImplementationAPI IntegrationHTML Email Template DevelopmentPerformance OptimizationResponsive DesignInventory ManagementPayment Gateway ConfigurationSEO ImplementationWebsite Testing

Soft Skills

AccountabilityTime ManagementCollaborationClear CommunicationAutonomy

Tools & Technologies

KlaviyoGitGitHubEmail Marketing PlatformsGDPR ComplianceCCPA CompliancePCI DSS Compliance

Industry Keywords

EcommerceWebsite Performance AuditsCross-Browser CompatibilityConversion Rate OptimizationDesign Mockups

About the role

Key responsibilities & impact

Develop and customize Shopify-based ecommerce websites according to project requirements and brand guidelines
Implement custom themes, templates, and layouts
Integrate third-party applications, plugins, and APIs
Translate design mockups and wireframes into functional Shopify websites
Configure shipping, payment gateways, taxes, and checkout processes
Set up product catalogs, collections, variants, and inventory management systems
Implement SEO best practices, meta tags, and structured data markup
Develop responsive HTML email templates and campaigns
Ensure compatibility with email marketing platforms such as Klaviyo
Test and troubleshoot email rendering, spam filters, and deliverability
Conduct website performance audits and optimize loading speed, responsiveness, code, images, and scripts
Monitor page load times, bounce rates, and conversion rates
Test website features, integrations, cross-browser, and cross-device compatibility
Collaborate with QA testers and stakeholders to resolve issues and implement feedback
Use Git and GitHub for version control and collaboration
Ensure compliance with GDPR, CCPA, and PCI DSS
Prioritize tasks, manage time, identify and mitigate risks, collaborate cross-functionally, communicate clearly, and assure work quality

Requirements

What you’ll need

Shopify expertise
Passion for eCommerce, technology and/or design
Accountability for oneself and others
High standards
Ability to work autonomously without micromanagement

Benefits

Comp & perks

Benefits are available if transitioned into a full-time employee role.