Bakamla Messanger App
Secure Messaging App for Indonesia Maritime Agency.
Timeline
Jun 2023 - Jul 2024
Sector
Maritime, Government
Role
UI/UX, Fullstack Developer
Tools
Figma, Laravel, Flutter
Context
What's Bakamla Messanger App ?
Bakamla Messenger is the definitive encrypted messaging platform designed specifically for BAKAMLA RI and Indonesian Maritime operations. Coordinate in real-time with end-to-end security, keeping our waters safe through seamless and protected communication.
Problem Statement
Situation: Relying on public communication apps like WhatsApp and Telegram poses a significant threat of data leaks, as they lack centralized control and fall short of strict national security standards. Furthermore, previously hosting sensitive operational data on third-party infrastructure severely compromised data sovereignty. BAKAMLA RI required a transition to a dedicated, self-managed server ecosystem to eliminate the risks of unauthorized access and regain absolute control over classified maritime communications.
The Process & Workflow
Task & Action: Our objective was to build a tailored encrypted messaging system from the ground up, ensuring seamless communication across diverse operational conditions. The workflow was meticulously divided into several key phases:
System Architecture
We began by mapping out the Data Flow Diagram (DFD) to ensure every piece of classified information is routed securely. Establishing a solid architectural foundation was critical for a system requiring military-grade encryption and sovereign data hosting.
User Workflows
To ensure a frictionless experience for the officers, we detailed precise user workflows for core interactions, including secure authentication, messaging, and encrypted calls. This reduced ambiguity during development and streamlined user onboarding.
UI/UX Design
With workflows established, we designed an interface that is both highly secure and deeply familiar. Using Figma, we crafted an intuitive, modern design that allows field officers to focus on coordination without fighting the UI.
Development & Polish
In the final phase, we developed the application utilizing Flutter for a robust cross-platform mobile experience, backed by a secure Laravel architecture. After rigorous penetration testing, the polished final screens were ready for deployment.
Testing & Feedback
The Bakamla Messenger application was tested using the End User Computing Satisfaction (EUCS) method to evaluate user satisfaction with the developed system.
The results of this testing provide in-depth insights into the user experience, covering aspects such as content, accuracy, format, ease of use, and system timeliness.
Research Publication
The complete findings and analysis of the EUCS method evaluation are publicly available.
Read Published ArticleKey Features
E2E Encryption
Military-grade encryption for direct and group communications.
Sovereign Data Hosting
All communication data is routed and stored securely within national servers.
Role-Based Access
Strict hierarchical access control for different levels of command.
Real-time Notification
Instant push notifications for critical updates and messages.
Private & Group Chat
Create private conversations or secure group channels for specific task forces.
Real-time Audio Call
Crystal-clear, encrypted voice communication for immediate coordination.
Real-time Video Call
Secure video conferencing for visual reporting and tactical briefings.
Secure File Sharing
Safely exchange classified documents, images, and coordinates.
Voice Note
Quickly record and send audio messages during active maritime patrols.
Lesson Learned
Building a government-grade secure application taught me the critical balance between absolute security and user experience. While strict encryption and access controls are paramount, if the application isn't intuitive, users will revert to insecure alternatives. I learned how to implement complex cryptographic features transparently, ensuring the app remains as simple to use as consumer messaging apps while maintaining military-grade security.