Staff Mobile Application Engineer

Company: Proof

Employment Type: Full-Time

Location: 100% Remote

Compensation: $200,000 – $270,000 (USD, total compensation package including base pay)

Category: Software Engineering & Development

Close date or Apply by date: February 27, 2026

WHY THIS ROLE MADE THE CUT

• Fully remote (no hybrid or office requirements)

• Full-Time role

• Job is listed on company site with a direct link to apply

• Legitimate, established company

• Posted within the last 14 days OR includes a clear deadline to apply

• Clear salary range is disclosed

ROLE SNAPSHOT

Proof is hiring a Staff Mobile Application Engineer to drive the design and delivery of a 0-to-1 mobile application while maintaining and evolving their existing Notarize mobile app for both iOS and Android. You'll lead development of mobile applications and SDKs, drive all phases from ideation to release, collaborate cross-functionally with designers and product managers, provide technical leadership on mobile architecture and best practices, and contribute to CI/CD improvements and app reliability. This role requires advanced expertise in Android (Kotlin, Jetpack Compose) and iOS (Swift, SwiftUI) development, experience with both established production apps and greenfield proofs-of-concept, and the ability to own complex mobile engineering problems autonomously.

KEY WORDS TO INCLUDE IN YOUR RESUME/COVER LETTER IF YOU APPLY:

• Android and iOS development

• Kotlin and Swift

• Mobile SDK development

• SwiftUI and Jetpack Compose

• GraphQL integration

• Mobile app lifecycle and deployment

• NFC and applied cryptography (preferred)

• CI/CD and automation

• Cross-functional collaboration

• 0-to-1 mobile development

Keywords are suggested based on the language used in the employer's job description to help applicants align with automated screening systems.

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