Mobile App Developer - (iOS/Android)

Description

Summary: Seeking a highly skilled Mobile App Developer to build, maintain, and optimize modern mobile applications across iOS and Android, collaborating with product, design, and backend teams. Highlights: 1. Opportunity to work on real-world production mobile applications 2. High ownership over app quality and user experience 3. Strong growth potential into Senior Mobile Engineer or leadership **Mobile App Developer (iOS / Android / React Native / Flutter)****Full\-Time Remote \| U.S. Business Hours** **About the Role** We’re hiring a highly skilled **Mobile App Developer** to build, maintain, and optimize modern mobile applications across iOS and Android platforms. This role is ideal for someone who enjoys: * building polished mobile experiences, * shipping production\-ready applications, * solving performance challenges, * and collaborating closely with product, design, and backend teams. You’ll work across: * native mobile development, * cross\-platform frameworks, * API integrations, * release management, * performance optimization, * and mobile architecture. This is not just a maintenance role. We’re looking for someone who can: * build features end\-to\-end, * ship reliably, * improve user experience, * and contribute to scalable mobile products used in real\-world environments. **What You’ll Own****Mobile Application Development*** Build and maintain mobile apps using: * + Swift / Objective\-C (iOS) + Kotlin / Java (Android) + React Native + Flutter * Implement responsive, pixel\-perfect mobile interfaces from: * + Figma + Sketch + design prototypes * Develop scalable and maintainable mobile architectures * Integrate APIs and backend services using: * + REST APIs + GraphQL + authentication systems **Feature Development \& Product Delivery*** Build new user\-facing mobile features * Collaborate with: * + product managers + designers + backend engineers * Improve app functionality, responsiveness, and usability * Ensure cross\-device and cross\-OS compatibility * Contribute to sprint planning and feature prioritization **Testing, QA \& Reliability*** Write and maintain: * + unit tests + UI tests + automated test coverage * Debug: * + crashes + memory leaks + performance bottlenecks + device\-specific issues * Maintain high\-quality code standards and testing reliability * Ensure CI/CD integration for testing and deployments **Release Management \& Deployment*** Manage releases through: * + TestFlight + Apple App Store + Google Play Console * Prepare: * + release builds + metadata + release notes + store compliance requirements * Ensure apps meet Apple and Google review guidelines * Maintain fast and reliable deployment workflows **Performance Optimization \& Monitoring*** Monitor app performance using: * + Firebase Crashlytics + Sentry + New Relic * Optimize: * + startup time + memory usage + battery efficiency + app responsiveness * Improve app stability and crash\-free sessions **Security \& Compliance*** Implement: * + secure authentication + OAuth2 + JWT + secure local storage * Ensure compliance with: * + GDPR + HIPAA + SOC 2 + platform security standards * Protect sensitive user and API data **✅ Required Experience \& Skills*** 3\+ years of professional mobile app development experience * Strong experience with: * + Swift / Kotlin + React Native + Flutter + or equivalent frameworks * Experience releasing apps to: * + Apple App Store + Google Play Store * Strong understanding of: * + mobile architecture + API integrations + state management + debugging * Familiarity with: * + CI/CD workflows + Fastlane + Bitrise + Git workflows * **Preferred Qualifications** * Experience building apps with: * + push notifications + chat systems + live updates + in\-app purchases * Experience scaling apps with: * + 10k\+ downloads + production user bases * Familiarity with: * + Firebase Analytics + Mixpanel + Amplitude * Industry experience in: * + SaaS + fintech + healthcare + e\-commerce **What Makes You a Strong Fit*** You care deeply about mobile user experience * You write clean, maintainable, production\-ready code * You can balance rapid iteration with scalable architecture * You enjoy debugging and solving technical problems * You communicate well with both technical and non\-technical teams * You thrive in fast\-moving product environments **What a Typical Day Looks Like*** Attend sprint standups and review feature priorities * Build and refine mobile app features * Integrate APIs and backend services * Test functionality across devices and operating systems * Debug crashes and optimize performance * Collaborate with designers for pixel\-perfect UI implementation * Prepare builds and manage deployments to TestFlight and Google Play * Document workflows and maintain clean repositories **In short:** You help build high\-quality mobile applications that are fast, reliable, secure, and enjoyable for users. **Key Metrics for Success (KPIs)*** Crash\-free sessions 99\.5% * App store ratings 4\.5 stars * On\-time sprint and feature delivery * Reduced bug backlog and release delays * Improved app performance and responsiveness * Increased user adoption, retention, and engagement **Why This Role Stands Out*** Opportunity to work on real\-world production mobile applications * Exposure to modern mobile frameworks and tooling * High ownership over app quality and user experience * Cross\-functional collaboration with product and design teams * Opportunity to scale applications and improve mobile infrastructure * Strong growth potential into: * + Senior Mobile Engineer + Mobile Architect + Engineering Leadership **Interview Process*** Initial Phone Screen * Video Interview with Recruiter * Technical Assessment (feature build or API integration exercise) * Client Interview with Engineering/Product Team * Offer \& Onboarding **Apply Now** If you: * enjoy building mobile applications, * love solving performance and UX challenges, * thrive in fast\-moving development environments, * and want to work on scalable production apps, this role is a strong fit for you.