Senior Shopify Developer

Knix Wear
Knix Wear

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Software Engineering

Toronto, ON, Canada

Posted 6+ months ago
Knix is an award-winning intimate apparel and activewear brand that is re-inventing intimates for real life. Through our innovative products and our engaged community, we are empowering people everywhere to be unapologetically free. Launched in 2013, we are one of the fastest-growing intimate apparel brands in North America and are globally recognized as an innovator within the apparel space. We reach over 3 million customers through our online stores, Knix retail locations across North America and channels such as wholesale and Amazon. We are revolutionizing the apparel industry with our best-in-class customer experience, innovative products and brands Knix and Kt by Knix. Come join us if you are looking for a purpose-driven and authentic career!
Join our innovative application development team as a Senior Shopify Developer, where you will play a crucial role in the design and development of our Shopify Websites. We are seeking an individual with a strong background in Shopify’s Liquid framework, custom Shopify App development, and general web development. The ideal candidate will have at least 3 years of hands-on experience developing, customizing, and optimizing Shopify stores, along with building and maintaining custom Shopify Apps to extend platform functionality.

About You

  • Detail-oriented developer with 5–7 years of professional software development experience.
  • 3+ years working specifically with Shopify, with strong expertise in Liquid.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and teamwork abilities, with a collaborative mindset.
  • Passionate about staying up to date with Shopify platform updates, emerging technologies, and e-commerce best practices.

Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
  • Proven experience developing custom Shopify apps (using Shopify API, Node.js, or similar frameworks).
  • Solid knowledge of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
  • Experience customizing Shopify themes and building custom sections/templates.
  • Understanding of e-commerce best practices, SEO fundamentals, and site performance optimization.
  • Familiarity with Shopify’s APIs, webhooks, and app integrations.
  • Preferred: experience with Git version control, Shopify Plus, headless commerce, and UX/UI collaboration tools (e.g., Figma).

Responsibilities

  • Develop, customize, and maintain Shopify themes using Liquid, HTML, CSS, JavaScript, GraphQL, and Rust.
  • Design, develop, and maintain custom Shopify apps and Shopify Functions (public and private).
  • Implement custom features and functionality based on business requirements.
  • Optimize Shopify stores for speed, SEO, and mobile responsiveness.
  • Collaborate with designers, marketers, and backend developers to deliver seamless user experiences.
  • Troubleshoot, debug, and maintain existing Shopify codebases and apps.
  • Integrate third-party apps, APIs, and custom functionalities into Shopify.
How we Hire
Our people are what make Knix, Knix! Our people are passionate and have a strong belief in our mission. Our people are naturally curious and ambitious by nature. Employees feel respected and supported at Knix. We take an inclusive and equitable approach offering the same interview experience to every candidate we meet with. Knix is an equal opportunity employer, we celebrate everyone and their intersecting identities. We know and believe that diverse and inclusive teams empower us to make better decisions and inspire innovation so that we can better serve our customers and community. We are committed to providing reasonable accommodations and will work with you to meet your needs. If you are a person with a disability and require assistance during the application process, please don’t hesitate to reach out! We celebrate our inclusive work environment and welcome members of all backgrounds and perspectives to apply.

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