Mozilla - Staff Software Engineer, Web Application Services
Requirements
• 10+ years of web software development experience, including experience designing scalable and efficient systems and launching complex web projects at scale. • Expert-level JavaScript skills and knowledge of at least one additional programming language, such as Python, Rust, Go, or C++. • An understanding of the business landscape, including challenges and opportunities, and experience collaborating with teams to expand Thunderbird’s user and donor base. • Experience with front-end frameworks, full-stack development, and/or API development. • Strong knowledge of software development practices, including testing, code review, and documentation, and the ability to help others develop these skills. • Experience acting as a technical lead, solving complex technical problems, and providing mentorship and guidance to other engineers. • Experience collaborating remotely across disciplines such as engineering, product management, QA, and design. • Excellent written and verbal English communication and documentation skills, with the ability to communicate clearly and concisely with an international, geographically distributed team. • Comfort working in an open-source environment and a commitment to Mozilla values. • Ability to learn, evaluate, and responsibly use emerging technologies, including AI-enabled tools, to improve work processes. • A commitment to continuous learning and staying current with industry trends and technologies. • Ability and willingness to travel periodically, including internationally. • Experience with product management or product-focused work. • What success looks like • Success in this role will look like a strong technical leader who not only helps the Web Services team grow, but also has a direct hand in helping Thunderbird grow and evolve our product offerings. • Over time, your work will help: • Grow & mature scalable, modern software patterns and architecture across Web Services products. • Turn new product ideas and complex technical problems into working solutions, prototypes, and experiments. • Partner with leadership and cross-functional partners (Product, Design, etc) to help generate data-driven product decisions. • Provide clear technical and product direction across complex, cross-functional work. • Help other engineers grow their technical, collaboration, and leadership skills. • Work environment • Work environment • This is a full-time, fully remote position. You’ll join a distributed team of Thunderbird staff, open-source community members, and contributors from around the world. • We rely on clear communication, thoughtful documentation, and collaborative decision-making to work effectively across time zones and disciplines. • In this role, you’ll collaborate closely with designers, engineers, cross-functional teams across Thunderbird, other parts of Mozilla, and community contributors.
Responsibilities
• Lead the technical architecture of new Services products, taking ownership of complex projects and identifying improvements that strengthen our systems as they evolve. • Write code, build prototypes and experiments, and contribute throughout the development lifecycle, from planning and testing through implementation, monitoring, and maintenance. • Help establish software patterns and make technical decisions across our Services products, including investigating and proposing technology choices. • Build and evolve analytics and infrastructure that help the team use user-generated data to inform decisions. • Provide technical and product direction across Thunderbird and lead technical collaboration with other parts of Mozilla and community contributors when needed. • Work closely with the team and community to surface issues, refine ideas, and develop practical solutions. • Identify and plan improvements that make our systems and processes more accessible, self-serviceable, lower friction, sustainable, scalable, and easier to delegate. • Mentor other engineers through code review, documentation, technical discussions, process improvements, and ongoing guidance. • Stay current with evolving technologies, coding standards, libraries, and frameworks and apply that knowledge to your work.
Benefits
• Thunderbird is one of the world’s most trusted open-source email applications, empowering more than 20 million people globally. At Thunderbird, we build privacy-respecting communication and productivity tools that help people manage their digital lives while staying in control of their data. • We are open source by design. Our products are developed transparently and in collaboration with a global community of contributors, and that same spirit shapes how we work: collaboratively, inclusively, and with a shared commitment to putting users first. • Our small but growing distributed team includes more than 65 people across seven countries. As Thunderbird evolves beyond a single desktop application, we are expanding across desktop, mobile, paid services, AI offerings, and enterprise-facing work to build independent, privacy-respecting alternatives to big tech ecosystems. • Our revenue model combines user donations, which help keep Thunderbird’s applications freely available, with paid services that cover the costs of hosted offerings while supporting long-term sustainability and continued innovation. • A note about Thunderbird and Mozilla: Thunderbird Technologies Corporation is the nonprofit-owned company behind Thunderbird email and a growing portfolio of products. While part of the Mozilla family, Thunderbird is a separate entity from Mozilla Corporation and Mozilla Foundation with its own compensation programs, benefits, and employment policies. • We benchmark our base salaries to local markets and target the 60th percentile of the peer market. The salary ranges for this role are: • US: $180,000 - $215,000 USD • Canada: $155,000 - $190,000 CAD • We may consider candidates with strong skills but less than the required experience. Title, level and compensation will be determined based on qualifications and experience. • In addition to competitive salaries, we offer a comprehensive benefits package designed to support your whole self. • Work & career • Fully remote work & schedule flexibility • Company-provided laptop • Annual bonus program • Monthly remote work stipend • Annual professional development stipend • Access to Coursera learning platform • Industry conferences • Company all-hands and team gatherings • Rest & play • 24 days PTO per year (prorated) • Year-end company shutdown • 9 wellbeing days • Public holidays • Other paid leave • Quarterly wellbeing stipend for personal / family activities • Health & family • Health & family • 401(k) / RRSP contributions • Health, dental, & vision insurance • Disability insurance • Employee assistance program • Paid parental leave • Work eligibility • Work eligibility • Applicants must reside in and have permanent work authorization for the country location(s) specified in the posting. We are unable to consider applicants outside of these markets at this time. And, we do not provide visa sponsorship. • have permanent work authorization
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