At SignalFire , we partner with top early-stage startups that are shaping the future of technology. Our portfolio spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS.
We’re looking to connect with exceptional Staff Mobile Engineers who are excited about leading mobile development efforts and scaling applications across iOS, Android, and cross-platform environments . By joining SignalFire’s Talent Network, your profile will be shared with our portfolio companies, giving you visibility into exclusive early-stage opportunities that may not be publicly listed.
💡 This is not an application for a specific job. Instead, this is a way to get on the radar of VC-backed startups that are actively hiring senior mobile engineering talent . If a company is interested in your background, they may reach out directly.
We’re looking for engineers who are:
✔ 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
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
While each startup has its own hiring criteria, many staff mobile engineering roles in our network look for:
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
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
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.
$170K – $250K • Offers Equity
...Network Engineer Internship Paid Internship - Summer 2026 Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Ready to boost your technical skills and kick-start your career? As a Uline 2026 Network Engineer Intern , you'll get hands-on experience...
...Job Summary Tiara Salon is looking for a talented Pedicurist & Manicurist with a polished skill set and a warm, professional approach to guest care. Youll work in a calm, high-end environment where precision, cleanliness, and consistency matter. This role is ideal...
...NY HELP No Agency Transportation, Department of Title Drill Rig Operator/Drill Rig Operator TR1/Drill Rig Operator TR2 (Region 4) Occupational Category Skilled Craft, Apprenticeship, Maintenance Salary Grade NS Bargaining Unit OSU - Operational...
...& offline editorial, design, visual effects, CG, sound & picture finishing. Overview As a Motion Designer, you will handle creating compelling motion graphics/animations for our video content from animated title treatments, transition animations, end-cards...
...assurancewhere reliability, security, and performance are paramount. Specifically, we are looking for aTS/SCI cleared Network Engineer SME to support this mission at MacDill Air Force Base, Florida . Responsibilities: As a Network Engineer - SME...