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Syphoon cover picture
Founded :
2019
Type :
Products & Services
Size :
0-20
Stage :
Profitable

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Jobs at Syphoon

Syphoon
at Syphoon
Sami Mirza
Posted by Sami Mirza
Remote only
4 - 8 yrs
₹10L - ₹20L / yr
disassembling
Reverse engineering
Network engineering
skill iconJavascript
skill iconC
+3 more

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.


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