Senior Antibot Engineer at Nielsen

Warsaw, Masovian Voivodeship, Poland

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Cybersecurity, Data ScrapingIndustries

Requirements

Expertise in reverse engineering, including analyzing web and mobile applications (APK/IPA), disassembling code, and focusing on cryptographic functions, using tools like IDA Pro, Ghidra, or custom solutions
Deep knowledge of web and network protocols such as TLS, HTTP/2, HTTP/3, WebSockets, DoH, and session management
Advanced Python development skills to design and implement robust, efficient solutions for complex challenges
Ability to thrive as an independent problem-solver while collaborating in a dynamic team environment with open communication and continuous learning
Passion for pushing systems to their limits while upholding high ethical standards, treating reverse engineering as a creative playground

Responsibilities

Perform reverse engineering and decompilation of web and mobile applications to uncover hidden mechanisms and understand inner workings, especially cryptographic functions
Evaluate and bypass advanced anti-bot security protocols including TLS, HTTP/2, HTTP/3, WebSockets, DoH, and session management to identify vulnerabilities and enhance data extraction
Develop custom Python scripts and frameworks to automate bypass procedures, dynamically adjust security measures, modify TLS stacks, or patch JavaScript
Implement stealthy scraping techniques such as browser patching, headless browser evasion, proxy tunneling, and human-behavior emulation
Continuously test, disrupt, and improve tools to stay ahead of evolving defenses through regular innovation

Skills

Reverse Engineering

Decompilation

IDA Pro

Ghidra

TLS

HTTP/2

HTTP/3

WebSockets

DoH

Python

Browser Patching

Headless Browser Evasion

Proxy Tunneling

Session Management

Cryptographic Functions

Nielsen

Global measurement and data analytics provider

About Nielsen

Nielsen provides measurement and data analytics services to help businesses understand consumers and markets globally. The company operates through two main divisions: Nielsen Global Media, which offers reliable metrics for the media and advertising industries, and Nielsen Global Connect, which supplies consumer packaged goods manufacturers and retailers with actionable insights about the marketplace. Nielsen combines its proprietary data with other sources to give clients a comprehensive view of current trends and future opportunities. With a presence in over 100 countries, Nielsen aims to support companies in making informed decisions to drive innovation and growth.

Town of Clarkstown, New YorkHeadquarters

1963Year Founded

$45.1MTotal Funding

ACQUISITIONCompany Stage

Data & Analytics, ConsultingIndustries

10,001+Employees

Benefits

Health Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Risks

Competition from digital-native analytics firms threatens Nielsen's market share.

Privacy regulations may impact Nielsen's data collection capabilities.

Private equity acquisition could lead to strategic shifts misaligned with client needs.

Differentiation

Nielsen offers comprehensive cross-platform measurement solutions, including mobile media markets.

The Diverse Media Equity program elevates diverse-owned media companies' visibility.

Nielsen Impact Score evaluates marketing value of university athletic programs.

Upsides

Acquisition of Telephia enhances Nielsen's mobile media measurement capabilities.

Partnerships with P&G and NMSDC support diverse media representation.

Collaboration with TikTok improves digital audience measurement services.

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