Logo
SignalFire

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

SignalFire, San Francisco, California, United States, 94199

Save Job

Join SignalFire’s Talent Network for Senior Mobile Engineer Roles at VC-Backed Startups

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 AI/ML talent. If you have any questions, please direct inquiries to talentnetwork@signalfire.com. Who Should Join?

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.) Typical Roles & Responsibilities

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

Common Qualifications

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

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.

#J-18808-Ljbffr