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Key skills for this role
Develop and maintain backend services (Rust) and client-side codebases (Rust, Kotlin, Swift).
Contribute to systems that handle high traffic and large volumes of location data.
Improve scalability, reliability, and performance under guidance or independently depending on experience.
Cross-Platform Harmony
Enhance infrastructure supporting iPhone and Android devices, including various OS versions and OEM variants.
Collaborate with iOS and Android engineers to maintain a unified and seamless user experience.
Feature Implementation
Implement and optimize location data collection using Wi-Fi, network signals, GPS, and Bluetooth.
Adapt to evolving OS updates and privacy standards, balancing accuracy and battery efficiency.
Contribute to internal tooling such as analytics dashboards, debugging utilities, and per-user analysis tools.
Operational Excellence
Monitor system metrics, triage bugs, and proactively address performance issues.
Ensure compliance with privacy regulations and OS requirements.
Build strong engineering fundamentals in testing, observability, and documentation.
Continuous Learning
Stay up-to-date with emerging technologies, mobile OS changes, and distributed systems best practices.
Grow technical depth and craftsmanship through mentorship, collaboration, and hands-on production experience.
Solid foundations in low-level programming or backend development.
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More from this employer
Paris, USA
Paris, USA
Paris, USA
Paris, USA
Paris, USA
Paris, USA
Paris, USA
Paris, USA
Proficiency or strong experience with Rust.
Experience with Kotlin or Swift.
Ability to work across backend and client-side code.
Familiarity with battery optimization techniques and privacy-aware engineering.
Interest or experience in mobile systems, location technologies, or distributed infrastructure.
Experience with iOS and Android location APIs.
Familiarity with custom ROMs or reverse engineering.
Prior experience in location services, mobile OS internals, or performance optimization.
Exposure to networking fundamentals and distributed systems.
We work onsite 5 days a week at our beautiful Parisian office near Opera (Metro lines 3, 8, 9 and RER A), featuring high ceilings, balconies, and natural light. Perks & Benefits:
Health care fully covered.
Maternity, paternity, and second parent leave with full salary.
8–9 weeks total vacation per year, including 5 state-mandated weeks, 1–2 RTT weeks, ~11 bank holidays.
Company-wide shutdowns twice a year (summer 2 weeks, winter 1 week) to recharge.
Relocation Support:
Sponsored visa process.
1 month of Airbnb covered upon arrival.
Assistance from relocation agency for permanent housing.
Help with French paperwork (social security, taxes, healthcare, etc.).
French lessons to integrate smoothly into Parisian life.
We celebrate diversity, 68% of our team is international, and we welcome candidates from all over the world.
Based in Paris, amo builds a family of social apps that help friends stay connected through shared location, life moments, and real-time interaction.
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