Syphoon
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Jobs at Syphoon
Javascript
CJob 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.
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