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

Reposted 23 Days Ago
Hiring Remotely in Preference Estates, MD
In-Office or Remote
160K-220K Annually
Senior level
Angel or VC Firm • Artificial Intelligence • Information Technology • Software
The Role
Design and develop mobile applications for iOS and Android, optimize performance, and collaborate with designers and backend teams. Ensure best practices in mobile architecture and implement automated testing.
Summary Generated by Built In
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 [email protected].

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?
  1. Submit your application to join SignalFire’s Talent Ecosystem.

  2. We review applications on an ongoing basis to identify strong candidates.

  3. If there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.

  4. No match yet? We’ll keep your profile on file for future mobile engineering roles in our portfolio.

Top Skills

Apollo Client
App Store Connect
Aws Amplify
Azure
Bitrise
Core Data
Cypress
Detox
Docker
Espresso
Fastlane
Firebase
Firebase Crashlytics
Firebase Firestore
Firebase Realtime Database
Flutter
GCP
Github Actions
Google Play Console
GraphQL
Java
Jenkins
Jest
Jetpack Compose
Kotlin
Kubernetes
Maui
Mobx
Objective-C
Provider
React Native
Realm
Redux
Rest
Room
Sentry
Sqlite
Swift
Swiftui
Websockets
Xamarin
Xctest
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The Company
HQ: San Francisco, CA
97 Employees
Year Founded: 2012

What We Do

SignalFire is the first venture capital firm built like a technology company to better solve for the needs of founders. The core of its value-add is Beacon, the AI engine SignalFire has been refining since the firm's launch in 2013. Beacon tracks more than 600 million employees and 80 million companies to guide the fund’s investing and assist portfolio companies with scaling their teams and revenue. SignalFire also helps early-stage founders navigate the toughest parts of building a company at every stage, with expert advisors, 100 skill-building workshops a year, and an in-house team of recruiters, data scientists, PR experts, and go-to-market leaders. With over $2.1 billion in assets under management, SignalFire focuses on investing from seed to scale. The firm’s key sectors include AI/ML, developer tools, B2B SaaS, healthcare, cybersecurity, and consumer. https://www.signalfire.com/disclosures

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