Senior Software Engineer (Localization)

TL;DR

Senior Software Engineer (Localization): Contributing to the development of Python and JavaScript libraries and tools that support Mozilla’s localization infrastructure with an accent on improving localization and internationalization within the Firefox codebase. Focus on designing and implementing new Pontoon features and engaging with the community of volunteer developers and localizers.

Company

hirify.global is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years.

What you will do

• Contribute to the development of Python and JavaScript libraries and tools that support Mozilla’s localization infrastructure.
• Improve localization and internationalization within the Firefox codebase.
• 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.

Requirements

• 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 disciplines.
• Excellent communication skills, with an emphasis on clarity and working across technical and non-technical roles.
• English: Professional fluency (written and verbal)

Nice to have

• Experience with internationalization (i18n) and localization (l10n) concepts, tools, or workflows.
• Programming experience in Rust and C++.
• Fluency in another language and understanding of linguistic diversity (e.g., grammar, plurals, text direction, and cultural conventions).

Culture & Benefits

• Generous performance-based bonus plans.
• Rich medical, dental, and vision coverage.
• Generous retirement contributions with 100% immediate vesting.
• Quarterly all-company wellness days.
• Country specific holidays plus a day off for your birthday.
• Annual professional development budget.