Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

SignalFire Logo

Staff Mobile Engineer (iOS or Android) - VC Backed Startups

SignalFire

Salary not specified
Nov 4, 2025
Remote, US
Apply Now

SignalFire is looking to connect exceptional Staff Mobile Engineers with top early-stage VC-backed startups that are shaping the future of technology, offering exclusive early-stage opportunities that may not be publicly listed.

Requirements

  • Deep expertise in Swift (iOS) and/or Kotlin (Android) for native app development
  • Experience with cross-platform frameworks like React Native, Flutter, or MAUI
  • Strong knowledge of mobile UI/UX principles, animations, and accessibility
  • Familiarity with state management libraries (Jetpack Compose, SwiftUI, Redux, MobX)
  • Hands-on experience integrating cloud services (Firebase, AWS, GCP) and local databases (Core Data, Room, Realm, SQLite)
  • Proficiency in mobile security best practices, authentication (OAuth, JWT), and encryption techniques
  • Strong understanding of automated testing frameworks (XCTest, Espresso, Detox, Cypress)

Responsibilities

  • Architect, design, and develop scalable, high-performance mobile applications
  • Own and optimize mobile performance, security, and reliability
  • Lead efforts in mobile API integrations, cloud storage solutions, and data synchronization
  • Work with backend teams to create efficient REST, GraphQL, and WebSocket APIs
  • Guide and mentor junior engineers, establishing best practices for mobile development
  • Define and maintain mobile CI/CD pipelines, testing strategies, and release processes
  • Research and integrate emerging mobile technologies to keep applications cutting-edge

Other

  • Passionate about building and optimizing mobile applications for scalability, performance, and user experience
  • Experienced in leading mobile projects, mentoring engineers, and defining technical roadmaps
  • Excited about native (Swift/Kotlin) and cross-platform (React Native, Flutter) development
  • 6+ years of experience in mobile development for iOS and/or Android
  • Proven leadership in technical strategy, architecture, and mentoring engineers