Darell Rangga

Author

@darellrangga·2026·Lead Developer (Tim 11 Orang)

2026 Shipped

TitikAman Citizen Safety Network

1st Place Winner at IT Bootcamp 2026. Real-time citizen safety and SOS broadcast platform powered by Laravel 12 and Laravel Reverb.

TitikAman Citizen Safety Network

#Laravel 12#Laravel Reverb#MySQL#WebSockets

GitHub

System Architecture & Engineering@darellrangga • Technical Breakdown

The Champion / 1st Place Winner at IT Bootcamp 2026. Led a cross-functional team of 11 engineers to architect and build TitikAman—a real-time civic emergency and incident reporting network. Engineered the backend using Laravel 12, MySQL, and Laravel Reverb WebSockets for instant SOS emergency broadcasting, fully validated through rigorous black-box testing.

Tech Stack & Key Deliverables@darellrangga • Production Specs

Engineered with:

Laravel 12Laravel ReverbMySQLWebSocketsTailwind CSS

Core Built Capabilities:

Real-Time Emergency SOS Broadcast (Laravel Reverb)

Geospatial Danger Hotspot Heatmap

Passed Rigorous Black-Box Testing

Champion / 1st Place IT Bootcamp 2026

Technical Challenges & Solutions@darellrangga • Problem Solving

Challenges

Structuring geo-tagged incident queries efficiently without spatial query bottlenecks.
Preventing spam reports through client-side throttling and database integrity constraints.

Implemented Solutions

Indexed latitude/longitude coordinates and leveraged spatial bounding box lookups in MySQL.
Implemented session-based rate limiting and multi-step verification before reports are published.

Interested in the architecture of this project?

Available for deep technical discussions or full-stack software engineering roles.

Send DM WhatsApp

Darell Rangga

Author

@darellrangga·2026·Lead Developer (Tim 11 Orang)

2026 Shipped

TitikAman Citizen Safety Network

1st Place Winner at IT Bootcamp 2026. Real-time citizen safety and SOS broadcast platform powered by Laravel 12 and Laravel Reverb.

TitikAman Citizen Safety Network

#Laravel 12#Laravel Reverb#MySQL#WebSockets

GitHub

System Architecture & Engineering@darellrangga • Technical Breakdown

Tech Stack & Key Deliverables@darellrangga • Production Specs

Engineered with:

Laravel 12Laravel ReverbMySQLWebSocketsTailwind CSS

Core Built Capabilities:

Real-Time Emergency SOS Broadcast (Laravel Reverb)

Geospatial Danger Hotspot Heatmap

Passed Rigorous Black-Box Testing

Champion / 1st Place IT Bootcamp 2026

Technical Challenges & Solutions@darellrangga • Problem Solving

Challenges

Structuring geo-tagged incident queries efficiently without spatial query bottlenecks.
Preventing spam reports through client-side throttling and database integrity constraints.

Implemented Solutions

Indexed latitude/longitude coordinates and leveraged spatial bounding box lookups in MySQL.
Implemented session-based rate limiting and multi-step verification before reports are published.

Interested in the architecture of this project?

Available for deep technical discussions or full-stack software engineering roles.

Send DM WhatsApp