Sr. Backend Software Engineer, City Storage Systems - Los Angeles

Posted Yesterday
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Los Angeles, CA
Mid level
Food • Real Estate • Software
The Role
As a Backend Engineer, your responsibilities include designing, implementing, and optimizing scalable backend systems and APIs, ensuring high performance and reliability, collaborating with cross-functional teams, and mentoring junior engineers. You will also focus on building secure and efficient systems that support customer-facing applications and enhance operational reliability.
Summary Generated by Built In

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 engineering effort spans infrastructure, platforms, and product development, driving innovation and excellence. Whether optimizing systems, building tools for developers, or creating user-facing features, your work will have a direct impact on real-world problems.

We are seeking Backend Engineers who are excited to contribute at all levels - whether you specialize in infrastructure, platform, or product-focused development.

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

What You’ll Do

As a Backend Engineer, you’ll design, implement, and optimize systems that power mission-critical applications. Your role will adapt to your strengths and interests, with opportunities to focus on:

  • Infrastructure: Build and maintain scalable, secure, and high-performance systems to ensure operational reliability.
  • Platform: Develop robust APIs and developer tools to improve team efficiency and scalability.
  • Product: Engineer backend services that support customer-facing applications and deliver seamless user experiences.

Core Responsibilities:

  • Architect and implement scalable backend systems and APIs.
  • Ensure high system performance, reliability, and security.
  • Collaborate with product managers, designers, and other engineers to deliver end-to-end solutions.
  • Participate in code reviews, testing, and documentation to maintain high-quality standards.
  • Mentor junior engineers or take on leadership roles, depending on your seniority.

What We’re Looking For

We value diversity of experience and are looking for individuals passionate about solving complex problems. 

Basic Qualifications:

  • Proficiency in backend programming languages like Java, Python, Go, or Node.js.
  • Familiarity with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB, Redis).
  • Experience with cloud platforms like AWS, Google Cloud, or Azure.
  • Understanding of RESTful APIs, microservices, and distributed systems.
  • Strong debugging and problem-solving skills.

Preferred Qualifications (for Senior Levels):

  • Experience with containerization technologies like Docker and Kubernetes.
  • Knowledge of CI/CD pipelines and DevOps practices.
  • Exposure to large-scale data processing or event-driven architectures.
  • Leadership experience in team projects or mentoring roles.

Why Join Us?

  • Growing market: You’ll be focused on an $80 billion market that’s projected to reach at least $500 billion by 2030 in the US alone. 
  • 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:
We believe that people do their best work when they are together. As a company, we’re in the marketplace of ideas and innovation. When you’re constantly innovating, changing how an industry works, inventing new products and processes - and we are doing all these things - we believe we’re better as a team in-person. That’s why all of our teams (except for our field-based roles) are now working from one of our office locations 5 days a week. Looking forward to sharing more about a Career of Substance at City Storage Systems.  


Job Posting: Frontend Engineer (Infrastructure, Platform, and Product)

Job Title: Frontend Engineer
Location: We hire in Los Angeles, San Francisco, Mountain View, Seattle, and New York
Seniority: Open to All Levels (Junior to Middle Level, Senior, and above)

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?

  • Growing market: You’ll be focused on an $80 billion market that’s projected to reach at least $500 billion by 2030 in the US alone. 
  • 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:
We believe that people do their best work when they are together. As a company, we’re in the marketplace of ideas and innovation. When you’re constantly innovating, changing how an industry works, inventing new products and processes - and we are doing all these things - we believe we’re better as a team in-person. That’s why all of our teams (except for our field-based roles) are now working from one of our office locations 5 days a week. Looking forward to sharing more about a Career of Substance at City Storage Systems.

Top Skills

Go
Java
Node.js
Python
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The Company
HQ: Los Angeles, California
92 Employees
On-site Workplace

What We Do

At City Storage Systems, we're building Infrastructure for Better Food. Our goal is to make food more affordable, higher quality and convenient for everyone.

We’re helping restaurants expand their online food delivery businesses and streamline their operations.

Currently, that means investing in our two core businesses, CloudKitchens and Otter.

CloudKitchens is focused on the physical world - the world’s largest real estate business that focuses on building hyper-efficient ghost kitchens in the heart of delivery demand zones.

Otter is focused on the digital world - the fastest growing SaaS company that organizes online food delivery operations for restaurants on a single, all-inclusive, and intuitive platform.

Ready to join us as we serve those who serve others?

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