Security Researcher

About MWDN

MWDN is a global IT outstaffing firm boasting over 23 years of experience, bridging exceptional technology professionals with premier companies across Israel, the USA, Great Britain, and Western Europe. Working here offers you the chance to contribute to international projects within a secure and professional setting.

Why Work at MWDN?

• Client vetting to reduce risks, ensuring dependable cooperation and prompt payments, eliminating fraud and unpleasant surprises.
• Career advancement support through proactive assistance in finding projects that align with your skills and aspirations.
• Legal assistance regarding independent contractor setup, taxes, and related processes.
• Opportunities for professional growth including English language courses and team-building activities.

About the Project

• Industry: Identity and Access Management (IAM) software
• Location: Israel
• Company Size: Between 200 and 500 employees
• Founded: 2014

This project is on the cutting edge of identity protection, combining biometrics, behavioral analysis, and advanced identity orchestration to enhance enterprise security in a passwordless world.

Key Qualifications

• Minimum 3 years of hands-on experience in areas like security research, mobile/browser research, fraud or detection research, reverse engineering, or comparable technical roles.
• Insight into web and mobile browsers, WebViews, browser APIs, JavaScript runtime, automation, fingerprinting, and client-side web security.
• Familiarity with open-source browser architectures such as Chromium, WebKit, Blink, or Gecko, including knowledge of browser internals and their security implications.
• Experience with native Android/iOS app development, mobile OS behavior, emulators, device spoofing, mobile automation, and low-level platform APIs.
• An attacker-oriented mindset and understanding of bypass techniques including automation, AI agents, spoofing, and anti-detection strategies.
• Capability to detect subtle technical signals for practical detection or data collection.
• Proficiency in designing experiments and validating research hypotheses.
• Experience in SDK development languages/environments like TypeScript/JavaScript, Kotlin/Java, or Swift/Objective-C, and ability to collaborate with engineering teams.
• Scripting skills, ideally in Python, to support tool building, automation, and workflow analysis.
• Ability to work independently on vague problems and clearly present findings to multiple stakeholders.

Preferred Skills

• Experience with Web and Mobile SDKs, client-side telemetry, device intelligence, behavioral signals, AI agent detection, or fraud detection products.
• Knowledge of bot research, credential stuffing, scraping, headless browsers, AI-assisted automation, app cloning, SDK abuse, phishing kits, malware, or anti-detection frameworks.
• Reverse engineering experience with Android or iOS applications.
• Understanding of detection quality metrics, feature evaluation, false-positive analysis, monitoring, and machine learning concepts.
• Bachelor’s degree in Computer Science, Cybersecurity, Data Science, or related fields or equivalent hands-on experience.

Daily Responsibilities

• Analyze browsers, WebViews, Android, and iOS environments from the attacker’s viewpoint.
• Discover new technical and behavioral indicators to improve detection of fraud, abuse, automation, and AI agents.
• Investigate attacker methods including bots, browser automation, AI agents, emulators, device spoofing, hooking, instrumentation, and anti-detection tactics.
• Conduct experiments comparing legitimate and manipulated environments.
• Assess reliability, stability, privacy implications, and feasibility of proposed detection signals for production deployment.
• Convert research insights into clear requirements for SDK features in web and mobile platforms.
• Develop internal tools, scripts, and lab setups to validate research and detection signals.
• Work collaboratively with SDK, engineering, product, and detection teams to transition research from theory to production.

Why Join This Team?

• Management focused on people with minimal bureaucracy
• A workplace culture marked by friendliness and returning employees
• Flexible working hours
• Comprehensive financial and legal support for independent contractors
• Complimentary English language classes with native or Ukrainian teachers
• Dedicated HR support

Recruitment Process

• Introductory conversation with recruiter
• Introductory discussion with the client
• Technical interview
• CTO interview
• Human Resources interview
• Reference check
• Job offer