Mobile App Developer

Mobile App Developer (iOS & Android) – Remote React Native | Flutter | Swift | Kotlin | Mobile Development Position Type: Full-Time, Remote Working Hours: U.S. Client Business Hours (with flexibility for sprint planning, release cycles, and production support) About the Role At Pavago, one of our clients is hiring a Mobile App Developer to design, build, and maintain high-quality mobile applications for iOS and Android. This is a hands-on engineering role focused on delivering reliable, scalable, and user-friendly mobile experiences. You’ll work across the full mobile development lifecycle—from implementing beautiful user interfaces and integrating APIs to optimizing performance, managing releases, and continuously improving app quality. You’ll collaborate closely with product managers, designers, backend engineers, and QA teams to ship mobile applications that align with business goals and deliver exceptional user experiences. If you’re passionate about mobile development, enjoy solving technical challenges, and thrive in fast-paced product environments, this role is built for you. What You’ll Own Mobile Application Development Build and maintain native or cross-platform mobile applications. Develop apps using: Swift / Objective-C (iOS) Kotlin / Java (Android) React Native Flutter Implement responsive, accessible user interfaces from Figma or Sketch designs. Integrate RESTful and GraphQL APIs. Write clean, maintainable, and scalable production code. Testing & Quality Assurance Develop unit and UI tests using: XCTest Espresso Jest Maintain high automated test coverage. Debug crashes, performance issues, and OS compatibility problems. Support automated testing within CI/CD pipelines. Release Management Manage releases through: TestFlight Apple App Store Google Play Console Enterprise deployment platforms Prepare release notes, versioning, and store metadata. Ensure compliance with Apple and Google Play submission guidelines. Performance Optimization Monitor applications using: Firebase Crashlytics Sentry New Relic Improve: Startup performance Memory usage Battery efficiency Application responsiveness Identify and resolve production issues proactively. Collaboration & Documentation Work closely with designers to deliver pixel-perfect implementations. Collaborate with backend engineers on API integrations. Participate in sprint planning, standups, and technical discussions. Document code, release processes, and technical workflows. Contribute to continuous improvement of development standards. Security & Compliance Implement secure storage using: iOS Keychain Android Keystore Secure APIs using OAuth2 and JWT authentication. Follow best practices for mobile application security. Support compliance with GDPR, HIPAA, SOC 2, and other applicable standards. Requirements Must-Have Qualifications Experience 3+ years of professional mobile application development experience. Experience developing applications using: Swift or Kotlin React Native or Flutter Experience publishing applications to: Apple App Store Google Play Store Experience with mobile CI/CD tools such as: Fastlane Bitrise Core Skills Strong understanding of mobile application architecture. Experience integrating REST and GraphQL APIs. Strong debugging and troubleshooting skills. Experience implementing responsive and accessible mobile interfaces. Familiarity with Git and collaborative development workflows. Strong written and verbal English communication skills. Nice to Have Experience building consumer applications with 10,000+ downloads. Experience implementing: Push notifications In-app purchases Real-time messaging Live updates Experience with: Firebase Analytics Mixpanel Amplitude Industry experience in: SaaS Fintech Healthcare E-commerce Tools & Technologies Swift Kotlin React Native Flutter REST APIs GraphQL Git Fastlane Bitrise Firebase Crashlytics Sentry Firebase Analytics TestFlight Google Play Console Figma Sketch What Makes You a Strong Fit Passionate about building exceptional mobile experiences. Strong problem-solving and debugging skills. Able to balance speed with maintainable architecture. Comfortable collaborating across product, design, and engineering teams. Ownership-driven and committed to delivering high-quality software. Continuously learning new mobile technologies and best practices. What a Typical Day Looks Like Participate in sprint standups and prioritize development tasks. Build new mobile features and integrate backend APIs. Test functionality across devices and operating system versions. Resolve bugs, crashes, and performance issues. Collaborate with designers to ensure accurate implementation. Prepare and submit app releases through TestFlight and Google Play. Monitor application health and optimize performance. Document technical changes and contribute to engineering best practices. In short: You build, optimize, and maintain mobile applications that deliver outstanding user experiences while ensuring performance, reliability, and scalability. Key Metrics for Success (KPIs) Crash-free sessions ≥ 99.5%. App Store and Google Play ratings ≥ 4.5 stars. Features delivered on time according to sprint commitments. Reduced bug backlog and faster release cycles. Improved user engagement and retention. High application performance and responsiveness. Why This Role Stands Out End-to-end ownership of mobile application development. Opportunity to work with modern native and cross-platform technologies. Direct impact on product quality and user experience. Collaborative engineering culture with strong technical ownership. Fully remote role with long-term growth potential. Clear career progression into: Senior Mobile Engineer Mobile Tech Lead Engineering Manager Mobile Architect Interview Process Application Review Spark Hire Intro Video (3–5 minutes) Recruiter Interview Technical Assessment (e.g., build a feature in React Native or implement an API integration in Swift/Kotlin) Final Client Interview Offer & Background Verification What Happens After You Apply Right after you apply, you’ll receive an email invitation from Spark Hire to record your Intro Video . This short, self-recorded video is the final step that completes your application and can be recorded whenever it’s convenient for you. Instead of repeating yourself across multiple screening calls, you’ll introduce yourself once, and your video will be shared with the hiring team. This helps hiring managers evaluate your communication style early, making future interviews more meaningful and reducing unnecessary interview rounds. Don’t overthink it—you can record your video as many times as you’d like before submitting it. Only your final submission will be reviewed. Please keep an eye on both your inbox and spam folder for your Spark Hire invitation after submitting your application. Apply Now If you’re a mobile developer who enjoys building high-quality iOS and Android applications, solving complex technical challenges, and shipping features that make a real impact, we’d love to hear from you. Apply today and help build the next generation of exceptional mobile experiences.