1. Education: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).

2. Programming Skills: Proficiency in programming languages such as Java (for Android) or Swift (for iOS).

3. Mobile Development Frameworks:  Basic understanding of mobile development frameworks like Android Studio (for Android) and Xcode (for iOS).

4. UI/UX Design:  Familiarity with UI/UX design principles and the ability to assist in the implementation of UI designs for mobile applications.

5. API Integration:  Knowledge of integrating third-party APIs and services for app functionality, such as location services, social media login, or payment gateways.

6. Problem-Solving Skills:  Strong problem-solving skills and attention to detail to identify and fix errors or issues during app development.

7. Communication Skills:  Excellent communication and teamwork abilities to collaborate effectively with team members and understand project requirements.

8. Passion for Learning:  A passion for learning and a desire to grow in the field of mobile app development, with a willingness to stay updated on emerging trends and technologies.

9. Adaptability: Ability to adapt to new tools, technologies, and project requirements in a fast-paced and dynamic startup environment.

10. Portfolio:  While not required, a portfolio showcasing any relevant projects or apps developed during coursework or personal projects would be beneficial.

These requirements are tailored to the Junior Mobile App Developer role and are aimed at identifying candidates with the necessary skills and qualities to contribute effectively to app development projects within the organization.