Sr. Web Developer jobs in United States
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Spigen Inc · 1 day ago

Sr. Web Developer

Spigen Inc is seeking an experienced Senior Web Developer with strong expertise in Shopify and Frontend development to lead the creation, optimization, and maintenance of their eCommerce platform. The role involves building scalable, high-performance websites and collaborating closely with cross-functional teams to deliver exceptional digital experiences.

E-CommerceElectronicsMarketing
badNo H1Bnote

Responsibilities

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
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
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

Qualification

Shopify theme developmentJavaScript (ES6+)ReactHTML/CSSGitUI/UX principlesSEO optimizationKorean/English proficiencyProblem-solvingCollaboration skillsCommunication skills

Required

Bachelor's degree in Computer Science or a related field
3+ 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

Preferred

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

Benefits

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.

Company

Spigen Inc

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At Spigen Inc, we strive to push the boundaries of design and technology.