Fullstack Developer

Responsibilities

• Develop and maintain high-impact features on the Shopify platform, including themes (Liquid), interfaces (React/Next.js), and backend integrations (Node.js).
• Implement custom Shopify apps and extensions.
• Optimize web performance, focusing on loading speeds, technical SEO, and Core Web Vitals.
• Produce clean, maintainable, and documented code while participating in code reviews.
• Develop and maintain integrations with third-party systems such as ERP, WMS, PSP, and CRM.
• Ensure the reliability of data flows regarding orders, stock, and payments.
• Collaborate closely with Product Managers and participate in agile rituals like sprint planning and dailies.

Requirements

• 2 to 5 years of professional web development experience.
• Significant experience with Shopify, including Liquid, themes, and apps.
• Proficiency in JavaScript, React, or Next.js.
• Strong understanding of REST and GraphQL APIs.
• Experience with third-party system integrations (e.g., ERP, PSP).
• Rigorous mindset with a strong attention to detail and code quality.

Preferred Qualifications

• Knowledge of Node.js and TypeScript.
• Experience with software quality best practices, including unit/integration testing and CI/CD.
• Ability to thrive in a fast-growing, international environment.

Benefits

• On-site work in our newly renovated Paris headquarters (2nd arrondissement).
• 25 days of annual leave plus 10.5 RTT days.
• ClassPass subscription for sports and wellness.
• Access to childcare networks (People and Baby / Les Petits Chaperons Rouges).
• Health insurance (Alan) covered at 60%.
• 50% reimbursement of public transport or a sustainable mobility allowance.

About the Company

Founded in 2016, Polène is a French leather goods house known for its artisanal excellence and organic, nature-inspired designs. As we expand internationally, our digital platform—one of Europe's largest Shopify ecosystems—serves as a strategic lever to support our premium customer experience and global growth.