Sr. Web Developer Job at Spigen Inc in Irvine

This range is provided by Spigen Inc. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$70,000.00 / yr - $100,000.00 / yr

Summary

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.

Job Duties

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

Skills

3+ years of experience building and customizing Shopify themes (Liquid, JSON)

Proficient in Shopify Plus, Checkout Extensibility, and Shopify API integration

Skilled with Git, branching strategies, and deployment workflows

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

Requirements

Bachelor’s degree in Computer Science or 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

New employees must successfully pass the E-Verify employment verification check. For more information, visit e-verify.gov

Work Hours

9 AM – 6 PM

Monday – Friday

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

Family Event PTO & Monetary Compensation

Spigen Day : Half days on Fridays

Lunch provided

Etc.

Seniority level

Associate

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Manufacturing and Wholesale

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