Summary • We are looking for a skilled and proactive Senior Frontend Developer to join our team. As a Senior Frontend Developer, you will be responsible for building and maintaining high-performance, user-friendly, and responsive eCommerce websites on Shopify. You will collaborate with cross-functional teams to ensure the successful delivery of projects with a focus on front-end development, UI/UX, and system optimization. If you are a hands-on developer with deep experience in Shopify and modern frontend technologies, we are welcome to hear from you. Job Duties • Customize Shopify themes using Liquid, JSON, and Shopify Plus features • Implement and manage API integrations with Shopify, including webhooks • Build responsive, user-friendly UIs using React, HTML5, CSS3, and TypeScript • Ensure cross-browser compatibility and performance optimization for the site • Collaborate with design, sales, and product teams to meet project goals • Troubleshoot and resolve technical issues to maintain site stability • Maintain version control with Git and ensure smooth deployment workflows • Write clear documentation for new features, processes, and onboarding Skills • Strong proficiency in React, JavaScript (ES6+), HTML5, CSS3, and TypeScript • Experience with state management tools like Redux and React Context API • Knowledge of responsive design, cross-browser compatibility, and WCAG accessibility standards • Familiarity with testing frameworks like Jest, React Testing Library, and Cypress • Proficiency in Git and version control workflows • Exceptional problem-solving skills, with the ability to work efficiently under pressure to meet deadlines • Excellent communication skills and the ability to collaborate effectively with teams Requirements • 3+ years of industry experience working as a Full Stack Engineer • Bachelor’s degree in Computer Science or a related field • Proven experience in Shopify platform, Liquid, and API integrations • Familiarity with testing frameworks and site optimization best practices • 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 Work Hours • 9 AM – 6 PM • Monday – Friday Benefits • Semi-annual bonus • Spigen Day: Half days on Fridays • 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 • Lunch provided • Employee discount • etc.