Frontend Engineer, City Storage Systems - Los Angeles

About Us

At City Storage Systems, we're building Infrastructure for Better Food. We help restaurateurs around the world succeed in online food delivery. Our goal is to make food more affordable, higher quality and convenient for everyone. We're changing the game for restaurateurs, whether they’re entrepreneurs opening their first restaurant all the way through to your favorite global quick-service restaurant chains.

Our technology is dedicated to creating transformative digital experiences. Our work spans infrastructure, platform, and product development, combining cutting-edge technologies with thoughtful design to build scalable, user-focused solutions. Whether you're optimizing system efficiency, creating developer tools, or crafting seamless user interfaces, your contributions will drive impactful outcomes.

We are seeking Frontend Engineers to help shape the future of digital experiences, focusing on infrastructure, platform, or product development based on your expertise and career goals.

Check our tech blog to find out more about what we’re building.

What You’ll Do

As a Frontend Engineer, you’ll work on building intuitive, high-performance interfaces and user experiences. Depending on your strengths and interests, you’ll have the opportunity to focus on:

• Infrastructure : Optimize frontend architecture to ensure performance, scalability, and reliability.


• Platform : Develop internal tools and component libraries that empower other engineers and designers.


• Product : Build responsive and visually stunning interfaces for customer-facing applications.

Core Responsibilities :

• Design and implement scalable, high-quality web applications.


• Collaborate with cross-functional teams, including designers, backend engineers, and product managers, to deliver impactful features.


• Optimize applications for maximum speed, scalability, and accessibility.


• Maintain and extend reusable component libraries and design systems.


• Ensure high standards of code quality through peer reviews, testing, and documentation.


• Mentor junior engineers or take on leadership roles, depending on your seniority.

What We’re Looking For

We’re looking for engineers who combine a passion for building exceptional user experiences with strong technical expertise.

Basic Qualifications :

• Proficiency in JavaScript/TypeScript and modern frontend frameworks (e.g., React , Vue , Angular ).


• Experience with state management libraries (e.g., Redux , MobX , or equivalent).


• Strong understanding of web fundamentals: HTML5 , CSS3 , and responsive design principles.


• Familiarity with frontend build tools like Webpack , Vite , or Babel .


• Experience with RESTful APIs, GraphQL, or WebSockets integration.

Preferred Qualifications (for Senior Levels) :

• Knowledge of performance optimization techniques (e.g., lazy loading, code splitting).


• Experience with component libraries, design systems, or frameworks like Storybook .


• Familiarity with CI/CD pipelines and DevOps practices for frontend development.


• Exposure to testing frameworks like Jest , Cypress , or Playwright .


• Leadership experience in project or team settings.

Why Join Us?

• Demand for online food delivery is growing really fast! In the last 5 years, just in the US, the overall market has expanded 10X from $10B to $100B, and could expand to $500bn- $1T by 2030.


• Changing the restaurant industry : You’ll be part of a team that helps restaurants succeed in online food delivery.


• Collaborative environment : You will work with a talented and diverse team that values innovation and learning. You will receive support and guidance from experienced colleagues and managers, helping you to learn, grow and achieve your goals, and you’ll work closely with other teams to ensure our customer’s success.


• Career Growth : Opportunities for advancement across engineering tracks, from individual contributors to leadership roles.


• Exciting Projects : Contribute to products and systems used by millions worldwide.

What else you need to know :
This role is based in our Los Angeles office. As a company driven by innovation and continuous change, close collaboration is essential. We’re constantly reimagining our industry, creating new products, and refining our processes, and we do our best work together. That’s why all of our office-based teams work onsite, five days a week.