Privacy Policy
Last Updated: March 10, 2026
Thank you for using my applications and services (such as AttendPro, Smart IoT platforms, and this portfolio website). This Privacy Policy is designed to help you understand how your information is collected, stored, and utilized across my portfolio of software and hardware solutions.
1. Information Collection
The types of information collected depend on the specific application:
- AttendPro ("Smart Attendance Manager"): When using AttendPro, data such as teacher profiles, student rosters, session records, and attendance logs are collected. This data is essential for the core functionality of generating reports and syncing across devices.
- IoT Projects (AirSense, Smart Irrigation, etc.): My IoT solutions may collect sensor data (temperature, humidity, air quality indices, soil moisture) and device metadata. For authenticated applications, basic user profiles are retained.
- Portfolio Site: I collect basic analytics (such as page views or referring sites) to improve the website's performance and design. If you contact me via email, your contact details will be retained solely for communication purposes.
2. Data Storage and Security
Security is a top priority in all my system architectures:
- Modern backend infrastructures like Firebase Realtime Database, Firestore, and Supabase (PostgreSQL) are utilized to ensure real-time latency and data integrity.
- Data transmission is secured using industry-standard protocols (HTTPS, wss://).
- Applications like AttendPro are built with an offline-first approach (using Room DB & WorkManager), ensuring that data remains safely staged locally before seamlessly syncing to the cloud when connectivity is restored.
3. Data Usage
Your data is solely used for functionality, improvement, and research. I do not sell, rent, or trade your personal information to third parties. For example:
- Sensor data (e.g., from AirSense) might be aggregated to train Machine Learning pipelines (ARIMA/LSTM) purely for academic or community-driven forecasting models.
- Attendance data is strictly siloed for the respective educator's account, guarded by robust Firebase security rules.
4. Third-Party Services
Some projects may rely on third-party integrations (such as Google Authentication, Vercel for hosting, or external APIs). These services have their own Privacy Policies, and adherence to their standards is maintained.
5. Contact Information
If you have any questions or concerns regarding this Privacy Policy or data handling across any of my applications, feel free to reach out.
Email: firdousrahaman.tfg@gmail.com