Sr. Web Developer

Job Type: Full-Time

• We are seeking an experienced Senior Web Developer with strong expertise in Shopify and Frontend development to lead the creation, optimization, and maintenance of our eCommerce platform. You will play a key role in building scalable, high-performance websites with modern UI/UX principles, collaborating closely with cross-functional teams to deliver exceptional digital experiences. If you’re passionate about clean code, seamless user journeys, and continuous improvement, this is your opportunity to make an impact.

[Shopify eCommerce Website Development]

• Build responsive, user-friendly Shopify eCommerce websites
• Collaborate with sales and design teams for alignment on project goals
• Design and develop with scalability and modern UI/UX best practices
• Ensure SEO optimization and cross-platform compatibility

[System Maintenance]

• Monitor site performance, uptime, and stability on a regular basis
• Apply security updates and resolve technical issues
• Manage third-party apps, plugins, and custom integrations
• Enhance features based on analytics and customer feedback

[Documentation]

• Create clear, technical, and user-friendly documentation
• Document setup procedures, deployment steps, and feature details
• Maintain version-controlled and up-to-date documentation
• Support onboarding and internal knowledge sharing

• 3+ years of experience building and customizing Shopify themes (Liquid, JSON)
• Proficient in Shopify Plus, Checkout Extensibility, and Shopify API integration
• Strong in custom theme development with Liquid, HTML/CSS, JavaScript, and React
• Skilled with Git, branching strategies, and deployment workflows
• Expert in JavaScript (ES6+), HTML5, CSS3, React, Next.js, TypeScript, and Tailwind CSS
• Solid understanding of accessibility (WCAG) and cross-browser compatibility
• Experience with Redux, React Context API, and frontend testing (Jest, React Testing Library, Cypress)
• Capable of debugging, optimizing, and maintaining high-performance UI
• Strong collaboration and communication skills across engineering, design, and business teams
• Problem-solving oriented, proactive, and able to work independently
• Strong UX intuition and understanding of eCommerce user behavior is preferred

• Bachelor’s degree in Computer Science or a related field
• 4+ years of professional experience as a Full Stack Engineer
• Korean/English bilingual proficiency with intermediate speaking and writing skills, and advanced understanding skills
• Demonstrated experience in Shopify theme development and site maintenance
• Strong sense of ownership, accountability, and team collaboration
• U.S. work authorization required
• New employees to Spigen Inc, will be required to successfully pass the E-Verify employment verification check. To learn more about E-Verify, including your rights and responsibilities, visit e-verify.gov

• 9 AM – 6 PM
• Monday – Friday

• Salary Range: $70K-$100K
• Semi-annual bonus
• Health Insurance: 100% employer contribution (Medical, Dental, Vision, and Life)
• 401(k): 100% employer match up to 6%
• Monthly Team Budget
• Paid Holidays
• Paid Vacation (PTO): up to 10 days
• Paid Sick Leave: 10 days
• Family Event PTO & Monetary Compensation
• Spigen Day: Half days on Fridays
• Lunch provided
• Employee discount
• Etc.