Mobile Engineer, Android

MozillaMozilla·Remote(Remote France)
Software Development

WFA Digital Insight

As demand for mobile specialists grew 21% in 2025, skilled Android engineers are in high demand. With over 100 million downloads, Mozilla's Firefox mobile app is a prime example of a product that requires talented professionals to promote a healthy and inclusive internet.Mozilla stands out for its non-profit mission and commitment to open-source software, making this role appealing to those who value transparency and community involvement. Before applying, candidates should know that they will be working with a geographically distributed team and contributing to the development of pioneering products.

Job Description

About the Role

As a Mobile Engineer, Android at Mozilla, you will be responsible for designing, debugging, building, and shipping Android solutions that promote a healthy and inclusive internet. You will be part of a hardworking, diverse, and geographically distributed team that is passionate about creating products that enable people to enjoy the internet on their terms. The team is responsible for the Firefox mobile applications and the ecosystem of open-source Android components, and you will play a key role in maintaining and upholding quality standards.

The role entails collaborating with senior team members to develop applications that give people a choice in their Android browser to experience the web in an open, safe, and healthy environment. You will participate in code reviews, bug fixing, testing, and adopting coding practices to ensure the delivery of high-quality products. Your contributions will have a direct impact on the user experience, and you will be working on a product that has already gained over 100 million downloads from the Google Play Store.

Mozilla's mission is to make the internet better for people, and as a Mobile Engineer, Android, you will be contributing to this mission by promoting transparency, innovation, inclusion, and opportunity from every angle. You will be working with a team that values open-source software and community involvement, and you will have the opportunity to learn from experienced engineers and contribute to the development of pioneering products.

What You Will Do

  • Participate in designing, debugging, building, and shipping Android solutions that promote a healthy and inclusive internet
  • Become a member of a hardworking, diverse, and geographically distributed team responsible for the Firefox mobile applications and the ecosystem of open-source Android components
  • Contribute to maintaining and upholding quality standards by participating in code reviews, bug fixing, testing, and adopting coding practices
  • Collaborate with senior team members to develop applications that give people a choice in their Android browser to experience the web in an open, safe, and healthy environment
  • Investigate and assist in resolving bugs and issues
  • Participate in the development of products and contribute to the growth of the team
  • Work independently on simpler tasks and collaboratively within a team to deliver well-designed, reusable, and high-quality code
  • Listen to feedback from Mozilla's open-source community and gradually improve Android solutions
  • Stay up-to-date with the latest trends and technologies in the field of Android development
  • Participate in agile development methodologies and collaborate with cross-functional teams

What We Are Looking For

  • Experience in building Android applications using Java and Kotlin
  • Eagerness to investigate and assist in resolving bugs and issues
  • Experience contributing to the development of products
  • Ability to work both independently on simpler tasks and collaboratively within a team
  • Enthusiasm to work with and learn from an outstanding group of people, including more experienced engineers
  • Strong understanding of Android development principles and practices
  • Familiarity with open-source software and community involvement
  • Excellent problem-solving skills and attention to detail

Nice to Have

  • Experience with agile development methodologies
  • Familiarity with Mozilla's products and mission
  • Participation in open-source projects or communities
  • Experience with cloud-based technologies and services

Benefits and Perks

  • Generous performance-based bonus plans
  • Opportunity to work on a product with over 100 million downloads
  • Collaborative and dynamic work environment
  • Flexible working hours and remote work options
  • Access to the latest technologies and tools
  • Professional development opportunities and training
  • Comprehensive health insurance and benefits package
  • Paid time off and holidays

How to Stand Out

  • Make sure to highlight your experience with Java and Kotlin in your application, as these are key skills for the role.
  • Showcase your problem-solving skills by providing examples of how you have investigated and resolved bugs and issues in your previous roles.
  • Familiarize yourself with Mozilla's products and mission, and be prepared to discuss how you can contribute to the company's goals.
  • Prepare to talk about your experience with open-source software and community involvement, as this is a key aspect of the company's culture.
  • Be ready to discuss your experience working in a remote team environment and how you stay connected with colleagues and manage your time effectively.
  • Consider creating a portfolio that showcases your Android development projects and contributions to open-source projects.
  • Research the company's salary range and be prepared to negotiate your salary based on your experience and qualifications.

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