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Mobile Application Application (iOS & Android)

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Onsite

Mobile Application Application (iOS & Android)

Ancilla Technologies and Services, Inc.

Mobile Application Application (iOS & Android)

Skills

FirebaseKotlinSwiftMobile DevelopmentReactTypescriptIOSJavaFlutterReact NativeObjective-CSQLiteGraphQLXcodeData AnalysisGitHubComplianceDart

5 days ago

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Important information


Contract type:

Permanent

Salary:

$93,000 – $113,000 / year

Location:

McLean, VA, USA

Work mode:

Onsite

Published on:

15 October 2026

What they need


We are seeking an experienced Mobile Application Developer to design, build, test, and maintain high-performance mobile applications across both iOS and Android platforms. In this role, you will take features from concept to production, working with cross-functional teams to deliver intuitive, responsive, and secure user experiences.

Key Requirement: We are looking for a practitioner with proven, hands-on experience taking apps across the finish line. Applicants must provide live links to at least three applications currently available in the Apple App Store and/or Google Play Store that they personally built or played a primary role in launching.

Key Responsibilities

Architecture & Development

Design and build robust, cross-platform mobile applications targeting both iOS and Android from a single codebase (e.g., Flutter, React Native, or Kotlin Multiplatform) or native equivalents.

Integrate with backend RESTful APIs, GraphQL services, and third-party SDKs (authentication, push notifications, payment gateways, analytics).

Translate UI/UX designs, wireframes, and user stories into clean, responsive, and pixel-perfect mobile interfaces.

Optimize app performance, memory management, startup time, and battery usage across a broad range of devices and OS versions.

App Store Deployment & Lifecycle Management

Manage the full application lifecycle: provisioning, code signing, beta distribution, store listing optimization, and production release.

Oversee submissions through Apple App Store Connect and Google Play Console, ensuring full compliance with platform guidelines and policy updates.

Navigate and resolve store review rejections, policy compliance issues, and privacy manifest disclosures.

Configure and maintain automated CI/CD deployment pipelines (e.g., Fastlane, GitHub Actions, Bitrise).

Quality, Maintenance & Monitoring

Set up crash analytics and monitoring tools (e.g., Firebase Crashlytics, Sentry) to diagnose and fix runtime defects promptly.

Implement unit, integration, and end-to-end automated UI tests.

Ensure data security, secure storage (Keychain, EncryptedSharedPreferences), and adherence to mobile privacy standards (GDPR, CCPA, App Tracking Transparency).

Required Qualifications & Experience

Proven Production Track Record: At least three live, active app deployed to the Apple App Store or Google Play Store (links must be included in your submission).

3+ years of professional mobile application development experience.

Strong proficiency in modern cross-platform frameworks (e.g., Flutter / Dart or React Native / TypeScript) with solid understanding of underlying native bridge mechanisms.

Direct experience with native build tools and environments: Xcode (Objective-C/Swift) and Android Studio (Java/Kotlin).

Thorough familiarity with Apple's Human Interface Guidelines and Google's Material Design standards.

Hands-on expertise with mobile state management libraries (e.g., Bloc, Riverpod, Provider, Redux, Zustand).

Experience with persistent storage (SQLite, Realm, Hive, Room, Core Data) and offline-first synchronization patterns.

Experience with automated mobile build tools, code signing, and certificates/provisioning profile management.

Preferred / Nice-to-Have Qualifications

Native iOS (Swift/SwiftUI) or Android (Kotlin/Jetpack Compose) development experience.

Experience implementing in-app purchases (IAP) and subscription management via StoreKit, Google Play Billing, or RevenueCat.

Familiarity with over-the-air (OTA) updates (e.g., CodePush, Expo Updates).

Experience deploying deep linking (Universal Links & App Links) and push notification architectures (APNs, FCM).

Pay: $93,000.00 - $113,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee assistance program
  • Employee discount
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Tuition reimbursement

Work Location: In person

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