Cartesian Systems
Software Engineer (Mobile & Sensing)
$120K–$180K
Cambridge, MA +1 · Full-time · Posted Sep 4, 2026
- Location
- Cambridge, MA
Cambridge, Massachusetts, United States - Experience
- 2+ years; the posting says this is not entry level and that experience is less important than growth potential.
About the job
Build Android SDKs and user-facing apps that collect sensor data, connect to peripheral hardware, and help retail staff locate inventory indoors.
What you'll do
- Develop mobile SDKs and end-user apps across prototyping and production.
- Integrate with RFID scanners, barcode readers, and other hardware to stream data and provide real-time feedback.
- Collaborate across the business to prioritize and autonomously deliver end-to-end projects.
What they ask for
- At least 2 years of experience building mobile products at a company with a high engineering bar.
- Track record of driving complex, end-to-end projects.
- Strong opinions on structuring mobile applications for correctness, maintainability, and performance.
- Excellent written communication.
Nice to have
- Comfort contributing to the backend when needed.
- Experience shipping and maintaining enterprise mobile SDKs at scale, or defining and automating tests on real-world hardware.
Pay
$120,000 - $180,000 annually (base salary)
Tools
Android, Kotlin, RFID, Barcode Readers, Zebra
Model-written summary · the original posting is authoritative