Frontend Development 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:
We're looking for a front-end engineer to join our website development team to modernize our e-commerce platform and website. This is a role to work on high-level, complex projects with large-scale
and high-impact systems.

A strong predictor for success will be evident in a candidate who:
● Excellent learning skills 
● Getting things done with high velocity 
● Ability to accept and offer constructive criticism 

Responsibilities for a Software Developer will include:

● Designing and writing clean, testable, and maintainable code
● Delivering new features, fixing defects, and improving the existing codebase
● Mentoring team members and modeling best coding practices
● Optimize application for maximum speed and scalability.
● Ensure the technical feasibility of UI/UX designs.
● Research new technology and ideas to enhance website and commerce functions.
● Working closely with other Developers, Product Managers, Designers, Testers and Business
Stakeholders to understand and gather requirements
● Extensive knowledge of web accessibility and front-end performance 
● Desire to deliver work in a fast-paced agile environment 

What you'll need to succeed:

● Bachelor's degree in Computer Science, Information Technology or equivalent experience.

● 5+ years of work experience in front end web development
● Proficient understanding of the following:

Web markup, mainly HTML5, CSS3, including W3C validation and compliance
CSS pre-processor LESS and SASS
Front-end frameworks with strong working knowledge of Bootstrap
Client-side scripting and JavaScript frameworks, including jQuery and React
Working knowledge with Next.JS will be a huge plus
Cross-browser compatibility issues and debugging methodology.
Code versioning tools, such as Git

● Have a sharp eye and attention to detail for both the visual rendering and coding
● Write unit, integration and end-to-end tests
● Knowledge of GraphQL and REST APIs
● Ability to implement responsive design across all devices and platforms, and debug complex
layout/styling issues
● Extensive knowledge of web accessibility and front-end performance
● Desire to deliver work in a fast-paced agile environment

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.