Senior Software Engineer, iOS
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5w PTO
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What you’ll do:
- Build and refine Thunderbird’s mobile products and platform architecture.
- Improve scalability, performance, reliability, and user experience.
- Maintain strong debugging, testing, and documentation practices.
What you bring:
- 7+ years of software development experience, including 2+ years as a senior engineer.
- 3+ years of mobile development with Swift, SwiftUI, and iOS frameworks.
- Expertise in mobile security, communication protocols, and collaborative workflows.
What success looks like:
- You improve architecture, reliability, and long-term health beyond shipping features.
- You solve ambiguous problems, flag risks early, and document decisions.
- Your work makes the iOS experience resilient and scalable for staff and community contributors.
Work environment:
- Full-time, fully remote role with a distributed team across time zones.
- Relies on clear communication, thoughtful documentation, and collaborative decision-making.
- Company-provided laptop, flexible schedule, and annual professional development stipend.
MZLA Technologies Corporation
MZLA Technologies Corporation builds privacy-respecting communication and productivity tools, including the open-source Thunderbird email app used by over 20 million people. The company is a small but growing team of 60+ people distributed across seven countries, with a collaborative, inclusive culture rooted in open-source principles.