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Threat Research Engineer (Client Side) (Remote - France) at Jobgether. This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Threat Research Engineer (Client Side) in France.. This role offers the chance to be at the forefront of bot detection and client-side security in a high-scale, cutting-edge technology environment. You will join a global team dedicated to analyzing, challenging, and improving detection mechanisms to protect web and mobile platforms. By combining deep technical expertise, creativity, and a hacker mindset, you will contribute directly to safeguarding millions of users and high-value systems. This position allows for hands-on technical work, collaboration across multiple teams, and opportunities to share insights with the broader security community. You will work in a fast-paced, innovative environment with flexible work arrangements, continuous learning opportunities, and a culture that values both personal initiative and team collaboration.. . Accountabilities. . Conduct internal red-team exercises to challenge client-side bot detection mechanisms and ensure robust protection.. . Develop automation tools to detect bypasses and analyze potential misconfigurations on customer websites.. . Enhance client-side detection scripts by adding new signals and improving browser fingerprinting capabilities.. . Strengthen the security and resilience of JavaScript code through obfuscation and anti-reverse-engineering techniques.. . Collaborate with mobile teams to improve bot detection within SDKs and mobile platforms.. . Research and implement innovative detection approaches in collaboration with threat research and other technical teams.. . Communicate research results externally through meetups, conference talks, academic papers, or blog posts.. . . At least 5 years of experience programming in JavaScript.. . Strong computer science foundation and understanding of web client-side technologies.. . Experience dealing with bots, malware, or security challenges in web environments.. . Solid knowledge of web and network infrastructures.. . Analytical mindset with a hacker spirit and creative problem-solving skills.. . Excellent communication skills, both written and oral, for internal and external collaboration.. . Nice-to-Have: experience in a cybersecurity company, WebAssembly, or compiler development.. . Company Location: France.