Mobile Developer (all genders)
Zagreb / HR
Full-time
Permanent employee
2,998 - 3,098 € al mes
About the job
Experienced Mobile Developer who will take ownership of complex features and serve as technical authority. Works with Product Owners to translate business requirements into scalable, secure mobile solutions.
You
Key Responsibilities
Feature Ownership & Delivery
Experience
Feature Ownership & Delivery
- Take ownership of complex features from design through production
- Work with Product Owner to refine requirements
- Estimate and execute deliverables reliably
- Identify technical risks early and propose mitigation
- Ensure features meet security, performance, and scalability requirements
- Manage app store release processes
- Identify opportunities for technical optimization and refactoring
- Evaluate new tools, frameworks, and approaches
- Propose improvements to development processes
- Stay current with iOS and Android platform updates
Experience
- Minimum 3+ years of professional software development
- Minimum 3+ years with React Native + Native iOS/Android development
- Proven experience designing scalable mobile systems
- Strong track record shipping production apps reliably
- Experience mentoring or leading other developers
- Familiarity with app store deployment processes
- Expert-level React Native with deep understanding of native bridge and platform-specific considerations
- Strong iOS development: Swift, native APIs, performance optimization, App Store deployment
- Strong Android development: Kotlin/Java, native APIs, performance optimization, Google Play deployment
- State management expertise (MobX or Redux patterns)
- Mobile-specific skills: offline-first design, performance optimization, memory management, battery efficiency
- Firebase proficiency: authentication, real-time databases, cloud functions, analytics
- HTTP/REST clients (Axios), local data persistence (Realm)
- Understanding of app store processes and mobile-specific security
- Native iOS/Android build processes and CI/CD for mobile
- Expert REST API design and best practices
- Strong security knowledge: authentication, authorization, encryption, mobile security threats
- Cloud-native architecture patterns: microservices, distributed systems, resilience
- CI/CD pipelines for mobile, automated testing strategies (unit, integration, E2E)
- Basic understanding of AI/ML concepts (ideal)
- Experience with Python, PHP, Node.js, Java, or other backends
- Ability to understand backend architecture implications
- Excellent communication in English and German
- Ability to articulate complex technical concepts clearly
- Strong problem-solving and analytical thinking
- Mentoring and coaching capabilities
- Proactive, self-directed, takes ownership
- Comfortable with ambiguity and rapid change
¿Quiénes somos?
What we do:
F24 is the leading software-as-a-service (SaaS) provider for alerting and crisis management for sensitive and critical communications in Europe. We are able to offer a highly innovative solution and help customers all over the world to successfully and efficiently manage incidents, emergencies and critical situations.
Founded in 2000, F24 AG is headquartered in Munich, Germany, and supports companies and organisations in more than 100 countries around the globe with its subsidiaries in Zurich, London, Trondheim, Paris, Luxembourg-City, Madrid, Brussels and Munich along with its branches in Mexico City, Santiago de Chile, Vienna and Dubai, Milan. F24’s customers come from various sectors like energy, healthcare & pharmaceuticals, aviation, IT & telecommunication and public organisations.
Find out more about working at F24 here.
Good reasons to work at F24:
F24 is the leading software-as-a-service (SaaS) provider for alerting and crisis management for sensitive and critical communications in Europe. We are able to offer a highly innovative solution and help customers all over the world to successfully and efficiently manage incidents, emergencies and critical situations.
Founded in 2000, F24 AG is headquartered in Munich, Germany, and supports companies and organisations in more than 100 countries around the globe with its subsidiaries in Zurich, London, Trondheim, Paris, Luxembourg-City, Madrid, Brussels and Munich along with its branches in Mexico City, Santiago de Chile, Vienna and Dubai, Milan. F24’s customers come from various sectors like energy, healthcare & pharmaceuticals, aviation, IT & telecommunication and public organisations.
Find out more about working at F24 here.
Good reasons to work at F24:
- Have a tangible impact! Work in an agile environment where you make an important contribution to the success of our customers and the future of our company.
- Become part of our established company with an inspiring culture, flat hierarchies and our open, honest, innovative and supportive team!
- Grow with us: We are a company on the road to success, experiencing steady international growth. You have the opportunity to help shape our development.
- Take advantage of our flexible working model: We rely on a combination of presence in our offices and work from home. This way we strengthen our team spirit and at the same time give you the opportunity to achieve the best possible balance between private and professional life.