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JOB DETAILS

Security Researcher - Bot Detection Adversarial Research

CompanyBright Data
LocationMadrid
Work ModeRemote
PostedNovember 8, 2026
About The Company
Bright Insights is dedicated to delivering advanced AI eCommerce Insights to brands, retailers, and marketplaces, from any source, covering any category, at any time. Our highly actionable, scalable, and precise data offerings empower strategic decision-making, across pricing, sales performance, retail media, and marketplace intelligence. With personalized support and seamless integration, we enable growth in the dynamic e-commerce landscape. Leveraging Bright Data's trusted reputation and advanced AI technologies, we deliver accurate insights from any source, at any time. Our customizable analytics dashboards allow competitive pricing tailored to specific needs, backed by our first-hand access to data infrastructure. Join 20,000+ businesses benefiting from Bright Data's technology leadership and unlock your competitive edge with Bright Insights.
About the Role

As a Security Researcher you will focus on simulating our most advanced adversaries against our data collection products affecting thousands of customers. 

You will acquire significant knowledge of the web application security field, building new machine learning data collection methods and helping to scale the Bright Data collection platform to new levels as our customer base continues to grow.



Why You'll Love It:

  • You'll be reversing some of the best anti-bot systems on the planet - it doesn't get more cutting-edge than this.
  • You'll have a real say in the projects you're part of - this isn't a "just execute" kind of role.
  • You can actively shape the way this team works - it's still being built, and your fingerprints will be on it.
  • Got an idea? You can take it straight to the COO - no red tape, no politics.
  • The people make it - SecRes and Bright Data are genuinely great teams to be part of.


*Fully remote position for candidates outside of SF area


Responsibilities

  • Conducting in-depth research on tools or services that prevent the free collection of public web data.
  • Building and improving HTTP client solutions to guarantee the success of Bright's Data collection efforts.
  • Identifying new standards and technologies that could impact our data collection capabilities. 
  • Reverse engineering adversary solutions to prevent fingerprinting solutions from stopping us.
  • There’s much more…

Requirements

  • 5 years’ experience as an R&D developer / researcher / tester
  • A deep understanding of HTTP & TLS protocols 
  • Experience with at least 2 of the following:

-Programming experience in JavaScript /TypeScript / Python / C++

-Penetration testing experience or offensive security certificates (OSCP, OSEP etc.)

-Professional security research experience (such as web vulnerabilities, mobiles apps etc.)

-Reverse engineering skills (JS deobfuscation or binaries reversing) / malware analysis

-Anti-bot development or other similar products, such as WAF, Anti-Virus development (malware emulation etc.), DDoS prevention etc.

  • Experience working at an anti-bot or web security company – a major advantage
Key Skills
Security ResearchReverse EngineeringHTTPTLSJavaScriptTypeScriptPythonC++Penetration TestingMalware AnalysisAnti-bot DevelopmentWAFDDoS PreventionData CollectionWeb Application SecurityMachine Learning
Categories
TechnologySecurity & SafetySoftwareScience & ResearchEngineering
Job Information
📋Core Responsibilities
Conduct in-depth research on web data collection barriers and develop advanced HTTP client solutions. Reverse engineer adversary systems to bypass fingerprinting and ensure the success of data collection efforts.
📋Job Type
full time
📊Experience Level
5-10
💼Company Size
15
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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