Project Description
Project Title: C# Developer for Akamai X-acf-sensor-data Header Generator & Decoder (iOS/Android)
Project Overview:
We are seeking an experienced developer to build a custom C# implementation of the Akamai X-acf-sensor-data header generator used by iOS/Android mobile applications. This is a from-scratch implementation requiring deep expertise in Akamai's Bot Manager client-side fingerprinting mechanisms.
Core Requirements:
1. X-acf-sensor-data Generator
Built from scratch in C# without reliance on third-party libraries
Simulate authentic iOS app sensor data fingerprints
Must include but not limited to the following data dimensions:
Device hardware info (model, screen resolution, battery status, etc.)
OS environment (iOS version, timezone, locale settings, etc.)
Browser/WebView characteristics (User-Agent, Canvas fingerprint, WebGL, etc.)
Behavioral sensor data (accelerometer, gyroscope, touch event patterns, etc.)
Network environment (connection type, latency profiles, etc.)
Output must conform to Akamai's encoding/encryption format specifications
Support parameterized configuration for simulating various devices and scenarios
2. X-acf-sensor-data Decoder
Parse and decode existing X-acf-sensor-data strings
Reverse-engineer and extract embedded sensor data fields
Provide structured output (JSON/XML format)
Support layer-by-layer analysis of encoding/compression/encryption stages
3. Technical Validation
Generated headers must pass Akamai validation mechanisms
Include unit tests and integration test cases
Performance benchmark testing (generation latency < 50ms)
Deliverables:
Complete C# source code (.NET Standard 2.1 or .NET 6+)
Technical documentation (architecture, algorithm specifications, API docs)
Sample application (Console/WPF demo)
Test suite (including validation against known working samples)
Required Skills:
Deep understanding of Akamai Bot Manager / Kona Site Defender internals
Familiarity with X-acf-sensor-data data structures and encoding algorithms (Base64, custom compression, potential encryption layers)
Expert-level C# and .NET development
Experience in mobile app security, reverse engineering, or bot detection
Knowledge of iOS/Android system APIs and sensor data formats
Reference Material:
Akamai official documentation on sensor data specifications
Existing sample: ift.tt/qxgdRDw
How to Apply:
If you have the specific expertise required for this project, please contact us with:
Relevant experience with Akamai technologies
Examples of similar security/encoding projects completed
Your approach to handling the X-acf-sensor-data format
Estimated timeline and rate
Thank you for your time and consideration. We look forward to hearing from qualified candidates.