Security Researcher

This is a fully remote position, open to applicants in Poland.

📋 Description

• Conduct research on browser, WebView, Android, and iOS environments from the perspective of potential attackers.

• Detect security signals, behavioral indicators, and technical patterns to enhance the detection of fraud, abuse, automation, and AI agents.

• Examine attacker methodologies involving bots, browser automation, AI agents, emulators, device spoofing, hooking, instrumentation, remote access tools, and anti-detection strategies.

• Create and execute experiments to compare genuine, automated, AI-assisted, and manipulated environments.

• Assess signals for aspects such as reliability, stability, susceptibility to spoofing, privacy concerns, performance impact, and feasibility for production.

• Convert research outcomes into SDK feature specifications for both web and mobile data collection.

• Develop internal tools, scripts, and laboratory environments for signal research and validation.

• Collaborate with SDK, engineering, product, and detection teams to transition research from theoretical hypotheses to practical applications.

⛳️ Requirements

• A minimum of 3 years of practical experience in security research, mobile security, browser research, fraud detection, reverse engineering, or a similar technical role.

• Proficiency with web browsers, mobile browsers, WebViews, browser APIs, JavaScript runtime behavior, browser automation, fingerprinting, client-side web security, and low-level browser technologies.

• Acquainted with current open-source browsers and rendering engines, including Chromium, WebKit, Blink, or Gecko.

• Experience with native Android and/or iOS applications, including knowledge of mobile OS behavior, app instrumentation, emulators, device spoofing, mobile automation, mobile security, and low-level platform APIs.

• Solid understanding of attacker techniques that involve automation, AI agents, spoofing, and anti-detection methodologies.

• Capability to identify subtle technical signals and leverage them for detection or data collection purposes.

• Proven experience in designing technical experiments and validating research hypotheses.

• Familiarity with SDK development languages and environments like TypeScript/JavaScript, Kotlin/Java, or Swift/Objective-C.

• Proficient in scripting, preferably with Python.

• Ability to work independently on unclear problems and effectively communicate findings to engineering, product, and research stakeholders.

• Bachelor’s degree in Computer Science, Cybersecurity, Data Science, or a related discipline, or equivalent practical experience (preferred).

🏝️ Benefits

• Security: carefully vetted clients to reduce risks and ensure reliable and prompt payments.

• Career support and assistance in securing new projects.

• Legal assistance regarding contractor or sole proprietorship status, taxes, and related processes.

• English language courses.

• Opportunities for professional growth.

• Team-building events.

• People-first management approach with minimal bureaucracy.

• Positive company culture.

• Flexible working hours.

• Comprehensive financial and legal support for independent contractors.

• Free English classes conducted by native speakers or Ukrainian instructors.

• Dedicated HR support.