Senior Mobile Software Engineer

The role

A senior mobile engineer will own field-facing companion apps that connect to physical instruments and the cloud/data platform. The role involves building for field conditions like intermittent connectivity and hardware pairing.

What you will do

• Design and build native or cross-platform mobile applications for Android and iOS
• Own offline-first and sync architecture for field use
• Handle device-level integrations such as Bluetooth/BLE, sensor pairing, and background data collection
• Use AI-assisted development tooling to prototype and iterate quickly
• Own mobile app reliability and performance in production
• Partner with backend/platform engineers to define APIs and contracts
• Mentor other engineers on mobile architecture and platform-specific best practices

Required qualifications

• 5+ years of mobile engineering experience
• Production apps shipped on Android and/or iOS using native Swift/Kotlin or a cross-platform framework such as React Native or Flutter
• Real experience with offline-first architecture and data sync patterns
• Comfortable owning a mobile app's full lifecycle, including architecture, release process, monitoring, and production issues
• Experience using AI coding assistants in a professional workflow
• Background building software as a core product at a software product company, R&D lab, or technology-first organization

Nice to have

• Experience integrating with hardware/sensors via Bluetooth or similar protocols
• A public GitHub or similar portfolio showcasing real project work
• Experience building apps for field service, industrial, scientific, or instrumentation use cases
• Familiarity with the same cloud/data platform stack used by the backend team
• Cross-platform architecture experience, including shared business logic across Android and iOS

Benefits

• Medical, Dental, and Vision insurance
• Flexible Spending Account (FSA) and Health Savings Account (HSA) plans
• Life, Short-Term Disability, and Long-Term Disability Insurance
• Paid Time Off and Paid Holidays
• Employee Referral Program
• 401K
• Social events (summer picnic, holiday party, team lunches, etc.)
• On-site Health & Wellness programs (fitness challenges, outdoor bootcamp, flu-shots, etc.)

About the company

Picarro is a leader in data using enhanced optical spectroscopy. Their software and hardware are designed and manufactured in Santa Clara, California.