SignalFire
Staff Mobile Engineer (iOS or Android) - VC Backed Startups
SignalFire, New York, New York, us, 10261
Staff Mobile Engineer (iOS or Android) - VC Backed Startups
SignalFire partners with top early-stage startups shaping the future of technology. We are looking for staff mobile engineers excited to lead mobile development efforts and scale applications across iOS, Android, and cross‑platform environments. By joining SignalFire’s Talent Network, your profile will be shared with our portfolio companies, providing visibility into exclusive early‑stage opportunities.
Typical Roles & 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
Common Qualifications
6+ years of experience in mobile development for iOS and/or Android
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)
Experience with CI/CD pipelines and mobile deployment tools (Fastlane, Bitrise, App Store Connect, Google Play Console)
Proven leadership in technical strategy, architecture, and mentoring engineers
Technologies You Might Work With
Native Development: Swift (iOS), Kotlin (Android), Objective‑C, Java
Cross‑Platform Development: React Native, Flutter, MAUI, Xamarin
UI & State Management: Jetpack Compose (Android), SwiftUI (iOS), Redux, MobX, Provider
Networking & APIs: REST, GraphQL, WebSockets, Firebase Firestore, Apollo Client
Database & Storage: SQLite, Core Data, Room, Realm, Firebase Realtime Database
Cloud & DevOps: AWS Amplify, Firebase, GCP, Azure, Docker, Kubernetes, Fastlane
Testing & CI/CD: XCTest, Espresso, Jest, Cypress, Detox, GitHub Actions, Bitrise, Jenkins
Other Tools: App Store Connect, Google Play Console, Firebase Crashlytics, Sentry
What Happens Next
Submit your application to join SignalFire’s Talent Ecosystem.
We review applications on an ongoing basis to identify strong candidates.
If there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.
No match yet? We’ll keep your profile on file for future mobile engineering roles in our portfolio.
Compensation Range: $170,000 – $250,000 per year.
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Typical Roles & 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
Common Qualifications
6+ years of experience in mobile development for iOS and/or Android
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)
Experience with CI/CD pipelines and mobile deployment tools (Fastlane, Bitrise, App Store Connect, Google Play Console)
Proven leadership in technical strategy, architecture, and mentoring engineers
Technologies You Might Work With
Native Development: Swift (iOS), Kotlin (Android), Objective‑C, Java
Cross‑Platform Development: React Native, Flutter, MAUI, Xamarin
UI & State Management: Jetpack Compose (Android), SwiftUI (iOS), Redux, MobX, Provider
Networking & APIs: REST, GraphQL, WebSockets, Firebase Firestore, Apollo Client
Database & Storage: SQLite, Core Data, Room, Realm, Firebase Realtime Database
Cloud & DevOps: AWS Amplify, Firebase, GCP, Azure, Docker, Kubernetes, Fastlane
Testing & CI/CD: XCTest, Espresso, Jest, Cypress, Detox, GitHub Actions, Bitrise, Jenkins
Other Tools: App Store Connect, Google Play Console, Firebase Crashlytics, Sentry
What Happens Next
Submit your application to join SignalFire’s Talent Ecosystem.
We review applications on an ongoing basis to identify strong candidates.
If there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.
No match yet? We’ll keep your profile on file for future mobile engineering roles in our portfolio.
Compensation Range: $170,000 – $250,000 per year.
#J-18808-Ljbffr