Senior Software Engineer (Localization)
WFA Digital Insight
As the demand for skilled software engineers with expertise in localization continues to grow, reaching 25% in 2025, Mozilla's commitment to making the internet more accessible stands out. This role is particularly interesting in the current remote job market, where companies are increasingly looking for professionals who can work independently and collaboratively across global teams. With a strong focus on open-source development and community collaboration, this position requires a unique blend of technical skills and interpersonal abilities. Before applying, candidates should be aware of the importance of web technologies, APIs, and modern development workflows in this role.
Job Description
About the Role
The Senior Software Engineer position at Mozilla is a critical part of the company's efforts to make the internet more accessible and user-friendly for people around the world. As a member of the Localization Team, you will be responsible for developing and maintaining the infrastructure that powers localization across all Mozilla products and services. This includes working on open-source libraries like moz-l10n and collaborating with a global community of volunteer localizers. The team's work has a direct impact on the user experience of Firefox and other Mozilla products, making it an exciting and challenging role for anyone passionate about software development and localization.The Localization Team is a dynamic and collaborative group that values openness, transparency, and community involvement. As a Senior Engineer, you will be expected to contribute to architectural discussions, drive feature development, and work closely with peers to deliver high-quality software that advances the team's goals and Mozilla's mission. With a strong focus on open-source development and community collaboration, this role offers a unique opportunity to make a meaningful contribution to the tech industry.
Mozilla's commitment to making the internet more accessible and user-friendly is reflected in its mission to shape the next 25 years of technology and help reclaim an internet built for people, not companies. As a non-profit-backed technology company, Mozilla is driven by a passion for innovation and a dedication to its core values of openness, inclusivity, and social responsibility.
What You Will Do
- Contribute to the development of Python and JavaScript libraries, such as moz-l10n, that support Mozilla's localization infrastructure
- Improve localization and internationalization within the Firefox codebase to make features more adaptable and accessible across languages and regions
- Collaborate with engineers and program managers to design and implement new Pontoon features
- Engage with the community of volunteer developers and localizers to support and guide Mozilla's localization efforts
- Collaborate effectively with teammates and internal clients across regions and time zones
- Develop and maintain tools and processes to support the localization team's work
- Participate in code reviews and ensure that all code meets Mozilla's standards for quality and security
- Stay up-to-date with the latest developments in web technologies, APIs, and modern development workflows
- Contribute to the development of internationalization features that shape the experience of Firefox and other Mozilla products
- Engage with the development of standards such as Unicode MessageFormat and DOM Localization
What We Are Looking For
- Strong experience developing and maintaining libraries and tools using Python and JavaScript
- Solid understanding of web technologies, APIs, and modern development workflows
- Experience with open-source development practices and community collaboration
- Ability to collaborate effectively in a distributed team, across time zones and regions
- Excellent communication and problem-solving skills
- Ability to work independently on well-defined projects and contribute to architectural discussions
- Experience with localization and internationalization, including Unicode and language support
- Familiarity with Django and other web frameworks
- Experience with Agile development methodologies and version control systems like Git
Nice to Have
- Experience with machine learning and natural language processing
- Familiarity with cloud-based services and containerization technologies
- Experience with security and privacy aspects of software development
- Knowledge of multiple programming languages, including C++ and Java
- Experience with cross-platform development and mobile apps
Benefits and Perks
- Opportunity to work with a global community of developers and localizers
- Collaborative and dynamic work environment
- Flexible working hours and remote work options
- Professional development and training opportunities
- Access to the latest technologies and tools
- Competitive compensation and benefits package
- Opportunity to contribute to open-source software and make a meaningful impact on the tech industry
- Health and wellness programs, including mental health support and employee assistance
- Paid time off and holidays, including a generous parental leave policy
How to Stand Out
- Be prepared to showcase your experience with Python and JavaScript, as well as your understanding of web technologies and modern development workflows.
- Highlight your ability to collaborate effectively in a distributed team and work independently on well-defined projects.
- Familiarize yourself with Mozilla's open-source development practices and community collaboration model.
- Showcase your passion for localization and internationalization, and your experience with Unicode and language support.
- Be prepared to discuss your experience with Agile development methodologies and version control systems like Git.
- Research Mozilla's mission and values, and be prepared to discuss how your skills and experience align with the company's goals.
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