Syphoon

Job Overview:

We are seeking an experienced JavaScript Reverse Engineer with deep expertise in reverse engineering obfuscated JavaScript code and bypassing modern web security techniques. This role requires a strong background in both JavaScript and Python, as well as advanced knowledge of browser automation and fingerprinting bypass techniques.

Key Responsibilities:

• Reverse engineer and deobfuscate JavaScript code and APIs for web scraping.
• Bypass popular anti-bot solutions such as Akamai, Datadome, Incapsula, Cloudflare and PerimeterX.
• Work with fingerprinting bypass methods, including TLS and Canvas fingerprinting.
• Reverse engineer and bypass JS Virtual Machine Protection (VMP) techniques.
• Implement custom Captcha solving solutions, utilising frameworks such as YOLO v8 or EfficientNet.
• Employ advanced browser automation techniques to optimise performance while bypassing web fingerprinting methods.
• Work with network engineering principles and have an in-depth understanding of the TCP/IP stack.
• Utilise MITM (Man-in-the-Middle) techniques to inspect and analyse Android app network traffic for scraping purposes.
• Leverage Python for scripting, automation, and integration with reverse engineering tasks.

Required Skills and Qualifications:

• 5+ years of experience with JavaScript and Web Scraping.
• Proven expertise in reverse engineering obfuscated JavaScript code and APIs.
• Strong knowledge of bypassing anti-fingerprinting techniques, including TLS and Canvas fingerprinting.
• Prior experience in overcoming anti bot solutions like Akamai, Datadome, Incapsula, and PerimeterX.
• Adequate understanding of JavaScript Virtual Machine Protection (JS VMP).
• Experience with custom Captcha solving solutions such as YOLO v8 or EfficientNet.
• Expertise in browser automation for efficient bypass of fingerprinting.
• Solid foundation in network engineering, with deep knowledge of the TCP/IP stack.
• Experience in using MITM techniques to inspect network traffic, especially for Android apps.
• Proficiency with containerisation and orchestration tools like Docker and Kubernetes.

Preferred Qualifications

• Experience working with security research and web vulnerability assessments.
• Familiarity with web scraping ethical guidelines and best practices.
• Strong collaboration skills and ability to work in an agile team.