Mobile App Developer (Cross-Platform)

TL;DR

Mobile App Developer (Swift, Kotlin, React Native, Flutter): Building and maintaining high-quality iOS and Android applications with an accent on native and cross-platform technologies. Focus on converting designs into pixel-perfect interfaces, integrating REST APIs, and optimizing app performance.

Location: Remote (Must be based in Portugal)

Company

hirify.global is a talent sourcing partner connecting developers with global product and design teams.

What you will do

• Develop and maintain native iOS applications using Swift and Android applications using Kotlin/Java.
• Build cross-platform mobile apps using React Native and Flutter.
• Convert UI/UX designs into pixel-perfect, responsive mobile interfaces for various screen sizes.
• Integrate REST APIs, backend services, and authentication systems.
• Optimize app speed, battery usage, and overall stability across different devices.
• Manage the full release cycle, including App Store and Google Play Store submissions.

Requirements

• 3+ years of professional mobile app development experience.
• Strong proficiency with Swift, Kotlin/Java, and their respective SDKs.
• Experience with React Native, Flutter, or other cross-platform frameworks.
• Understanding of REST APIs and architecture patterns like MVVM, MVC, or MVP.
• Proficiency with Git and collaborative development workflows.
• Must be based in Portugal

Nice to have

• Experience publishing and managing apps on the Apple App Store and Google Play Store.
• Experience with Firebase, push notifications, and analytics tools.
• Knowledge of animations and offline-first architecture.
• Previous experience in startup or product-focused development environments.

Culture & Benefits

• Fully remote work flexibility.
• Flexible working hours to support work-life balance.
• Opportunity to work with global product and design teams.
• High level of ownership and technical impact on the product.
• Professional growth opportunities in mobile engineering and new technologies.

Hiring process

• Initial phone screen.
• Technical interview.
• Practical assessment and mobile coding exercise.
• Final client interview.