Associate Frontend Engineer

Who We Are
Born from a mission to make prescription eyewear affordable and accessible to everyone, Zenni Optical has been changing the way people see the world since 2003. With complete prescription pairs for adults and kids starting at under $10, we've grown into a global brand with over 51 million pairs of glasses sold — and counting

Based in the San Francisco Bay Area, we're proud to be the Official Eyewear of the San Francisco 49ers, Boston Celtics, Monster Jam, Ghost Gaming, TSM, Major League Pickleball and more. We've also partnered with tastemakers and designers like Chase Stokes, Jrue Holiday, and George and Claire Kittle to bring our brand to life in bold, meaningful ways.

Innovation is at the heart of everything we do at Zenni — from our revolutionary EyeQLenz with Zenni ID Guard glasses to our cutting-edge VR Vision Screener, we're constantly exploring new ways to improve vision and enhance lives. For more information, please visit

Candidate safety is important to us. Please note that all official communication will only be sent from addresses.
Position Overview

Zenni is looking for an associate Frontend Engineer to join our
Web Engineering team in Shanghai.
You will play an important role in building and refining Zenni's website, driving technical innovations, and delivering unparalleled user experiences.

Your responsibilities will span the entire product lifecycle, including clarifying technical requirements, evaluating potential solutions, implementing features, monitoring metrics, and continuously improving app performance.

You will work with seniors in the team to take initiatives to introduce new features, tackle complex challenges. You are comfortable with a fast pace, and manage many concurrent efforts. You are familiar with e-commerce business. You can communicate effectively within the team & with your manager.

Most of all, you love solving hard technical, product, and customer challenges to make a difference in the lives of other people.

What you will be doing at Zenni

• Build Zenni Website with user experience improvements and technical innovations.
• Explore technical solutions and implement them.
• Implement engineering metrics to measure engineering success and drive continuous improvement
• Work closely with product, design and QA teams to ensure the successful delivery of high-quality products.
• Stay up-to-date with the latest web technologies, industry trends, and user behaviors to inform technical strategy and development

The ideal candidate would possess

• Experience
  :

• Bachelor's degree or higher in a relevant field.

• 2+ years of overall work experience

• Prior experience developing e-commerce applications is preferred.

• Professional Experience
  :

• Strong TypeScript expertise with experience in strict mode configurations

• Proficiency in modern React patterns: Hooks, Context API, Custom Hooks architecture
• Familiarity with Tailwind CSS/TanStack Query (React Query v5)
• Experience with 14 App Router and server-side rendering patterns
• Familiarity with full-stack technologies such as , Java, or similar frameworks is a plus.
• Prior experience developing e-commerce applications is preferred.

• Competency in writing unit tests and end-to-end (E2E) tests (Vitest, Playwright, or Jest).

• Communication
  :

• Exceptional written and verbal communication skills in both English and Chinese.

• Collaboration with product and design teams.

• Motivation:

• Strong problem-solving abilities and a commitment to continuous learning and self-improvement.

• Passion for delivering outstanding user experiences.

We look forward to hearing from you
We strive to build a diverse team of individuals with a broad range of experience and perspectives. We encourage you to apply even if you don't feel you meet all the qualifications.

Zenni Optical is an equal opportunity workplace and considers applications without regard to race, color, national origin, gender identity, sexual orientation, age, citizenship, marital status, disability, or Veteran status.
We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.