Flutter Mobile Developer

About Sequester

Sequester is a privacy-first encrypted vault for personal photos and videos. We build software where security, reliability, and user trust are product features???not afterthoughts.

About this role

You will build Sequester's Flutter client???the vault UI, private camera, and offline-first flows users touch every day??? with performance and security appropriate for sensitive media.

What you will do

• Implement features in Flutter/Dart across iOS and Android from shared codebase
• Integrate native plugins for camera, biometrics, secure storage, and background sync
• Write widget and integration tests for critical user journeys
• Profile and fix jank, memory leaks, and oversized rebuilds in gallery views
• Participate in code review with attention to auth flows and local encryption boundaries

What we are looking for

• Production Flutter experience shipping to both App Store and Play Store
• Solid Dart skills and familiarity with platform channels
• Mobile UX sensibility for privacy-sensitive interactions (PIN, decoy modes)
• Comfort working async with backend and design teams

Location

Remote-friendly. We hire globally and collaborate async-first across time zones.