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 Senior Mobile Engineers who are excited about building and scaling mobile 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 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 high-performance mobile applications on iOS and/or Android
✔ Excited about working with modern mobile frameworks and optimizing mobile experiences
✔ Experienced in native development (Swift, Kotlin) and/or cross-platform development (React Native, Flutter, etc.)
Design, develop, and maintain mobile applications for iOS, Android, or cross-platform solutions
Optimize performance, responsiveness, and security across mobile platforms
Build and maintain APIs, offline storage, and cloud integration for mobile applications
Work closely with UX/UI designers, backend teams, and product managers to create seamless experiences
Ensure applications follow best practices in mobile architecture, testing, and deployment
Implement automated testing, CI/CD pipelines, and monitoring solutions for mobile apps
Research and integrate new mobile technologies and frameworks to improve scalability and user experience
While each startup has its own hiring criteria, many senior mobile engineering roles in our network look for:
5+ years of experience in mobile application development for iOS and/or Android
Proficiency in Swift (iOS) and/or Kotlin (Android) for native development
Experience with cross-platform frameworks such as React Native, Flutter, or MAUI
Strong understanding of mobile UI/UX principles, animations, and accessibility best practices
Familiarity with REST APIs, GraphQL, WebSockets, and real-time data synchronization
Experience working with local storage (SQLite, Core Data, Room), cloud services (Firebase, AWS, GCP), and push notification frameworks
Proficiency in mobile app security practices , authentication (OAuth, JWT), and encryption techniques
Knowledge of CI/CD pipelines and mobile deployment tools (App Store Connect, Google Play Console, Fastlane)
Experience in early-stage startups or fast-paced product environments is a plus
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.
$160K – $220K • Offers Equity
...Lark Medical Staffing is seeking a travel nurse RN OR - Operating Room for a travel nursing job in Ironwood, Michigan. Job Description & Requirements ~ Specialty: OR - Operating Room ~ Discipline: RN ~ Start Date: 06/02/2025~ Duration: 13 weeks ~40 hours...
...Job Description Medical Solutions Allied is seeking a travel Physical Therapist for a travel job in Waynesville, Missouri. Job Description & Requirements ~ Specialty: Physical Therapist ~ Discipline: Therapy ~ Duration: 13 weeks ~34 hours per week ~ Shift...
...certified nurse practitioners.This opportunity offers an income guarantee, RVU bonus incentives, CME expenses, and more. J1 and H1B visa assistance is available. Practice details include: ~ Hospital Employee ~ Income Guarantee ~ WRVU production...
We are seeking a highly organized and customer-focused Personal Travel Assistant to join our remote team. In this role, you will assist clients with booking travel arrangements, managing itineraries, and providing tailored recommendations to enhance their travel experience...
...Our client is seeking a Personal Injury Paralegal/Assistant for their South Orange, NJ office. Hours are 9-5 (40 hour works week- anything over is... ...they need additional staff. 5 DAYS IN OFFICE WITH SOME REMOTE WORK FLEXIBILITY Candidate needs at least 3 years relevant...