About vacancy

Kozak Group is a service-based IT company with over 9 years of experience, headquartered in Kyiv, with offices in Poland and Estonia. We specialize in creating complex software solutions, offering full-cycle development services tailored to our clients’ needs. Our team consists of over 50 skilled developers.

Kozak Group develops web and client/server applications using JavaScript, Magento, and Java technologies. We have successfully completed over 300 projects for clients in the USA, UK, Canada, and Western Europe, gaining extensive experience in fields such as e-commerce, healthcare, education, finance, advertising, and blockchain.

We are looking for an ambitious and experienced Shopify Full-stack Developer.

Responsibilities

• Direct development of solutions (hands-on development).
• Determination of technical standards, methodologies, and selection of the technology stack.
• Designing the architecture of Shopify solutions (themes/apps).
• Forming accurate estimates: decomposing tasks, considering risks and assumptions.
• Technical expertise and participation in pre-sales processes.
• Qualification requirements
• 7+ years of general experience in web development.
• 5+ years of commercial experience working with the Shopify platform.
• Use of AI tools throughout the development cycle.
• Senior level with a strong practical background.
• Experience in creating technical estimates, project decomposition and risk management.
• Experience in making architectural decisions and willingness to take responsibility for them.
• Deep knowledge of JavaScript / TypeScript.
• Understanding of backend architecture (Node.js, API, integrations).
• Experience with Git and CI/CD process debugging.
• Upper-Intermediate+ level of English.

Would be an advantage

• Publication of applications in the Shopify App Store.
• Experience working with Headless Shopify (React / Next.js).
• Expertise in B2B e-commerce solutions.
• Practical experience working with POS systems.
• Experience implementing and conducting A/B testing.

We Expect

1. Application Review
   Our HR team will review your application and CV
2. Initial Interview
   A short call with an HR representative to discuss your background and interests
3. Technical Interview
   A coding assessment followed by an interview with our technical team
4. Final Interview
   A conversation with team leads to assess cultural fit and project alignment
5. Offer
   Successful candidates will receive a job offer with details of employment terms