Android Developer for Educational App

As a knowledgeable Android Developer, your mission is to build and enhance an educational application that aids instructors and teachers primarily in schools. The main functionalities of this app should include:

- Attendance tracking: A feature to help teachers keep a record of student attendance efficiently.
- Assessments and results: The ability for teachers to input and track student assessment results.
- Multiple question type support: MCQ, True or False, Poll
- Offline feature: It's essential that this app remains accessible even without an internet connection

This project requires proven skills in Android app development and Java programming only. Any previous experience in developing educational apps would be appreciated. Command over UI/UX design could be a plus point. The aim is to develop an app that is user-friendly and effectively bridges the gap between teachers and their daily administrative tasks.

Design and build advanced applications for the Android platform using Java:
1) Collaborate with cross-functional teams to define, design, and ship new features
2) Work with outside data sources and APIs
3) Unit-test code for robustness, including edge cases, usability, and general reliability
4) Work on bug fixing and improving application performance

Requirements and skills:
1) Proven software development experience and Android Java skills
2) Proven working experience in Android app development using Java
3) Experience working with remote data via REST and JSON
4) Experience with using Git and working as part of a larger team
5) Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
6) Solid understanding of the full mobile development life cycle.