Staff Full Stack Engineer, Innovation Studio

Mozilla (View all Jobs)


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Interview Process

1. Deep-dive discussions on technical and mentorship problems solved in the past. No live coding. Total of 3 rounds.

Programming Languages Mentioned


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The company

The Mozilla Corporation is the non-profit-backed technology company that is on a mission to ensure the internet is a global public resource, open and accessible to all. We design, build and distribute open-source software that enables more than 225 million people around the world to enjoy the internet on their terms.

The team and opportunity

Mozilla’s Innovation Studio is a fast-paced organization of entrepreneurs and entrepreneurial minded individuals. We build new products and experiment quickly to improve and extend the way people access and engage on the Web.

We are looking for a Staff Full Stack Engineer with experience in building and architecting cloud applications to help us develop prototypes and new products. You will be a part of a small cross-functional team with engineering, design, and product.

What you’ll do...

  • Build back-end infra atop Google Cloud and assist on front-end experiences for a new product ideas within the Innovation Studio.
  • Enable integrations with a variety of services including Google, Firebase, OpenAI and others.
  • Work cross-functionally with other engineers, design and product management.
  • Participate in code/design/architecture reviews; clearly communicate alternative viewpoints.
  • Engage in team and project retrospectives so that you and your team can learn from mistakes and avoid them in the future.

What you’ll bring...

  • Cloud application architecture and building blocks expertise with in-depth knowledge about compute, storage and interfaces with GCP.
  • Advanced knowledge of React and associated frameworks (eg Next.js), Typescript / Javascript and node.js ecosystem.
  • Experience building advanced React controls and components. Familiarity with React context state management APIs. 
  • Comfortable writing and maintaining unit tests
  • At least 5 years of experience with full-stack development including front-end on production applications with 100s of K to millions of users.
  • Have integrated with Firebase and are familiar with Firebase authentication. 


  • Experience in SEO, domain provisioning, online payment systems and scheduling systems.
  • Prior experience with website scraping
  • Familiar with Bootstrap-like UI frameworks. 
  • Experience with REST and OAuth API integrations into popular web services (eg AI services, calendar services, analytics services)

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C


Req ID: R1967

Please mention No Whiteboard if you apply!
I'm a one-man team looking to improve tech interviews, and could use any support! 😄

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