Source Job

France 5w PTO

  • Challenge bot detection mechanisms as an internal red team, creating tools to automate the process.
  • Improve client-side bot detection by adding new signals and implementing obfuscation techniques.
  • Collaborate with mobile and threat research teams to implement new approaches to bot detection.

JavaScript Computer Science

11 jobs similar to Threat Research Engineer (Client Side)

Jobs ranked by similarity.

Global Unlimited PTO

  • Co-own the design, development, and ongoing maintenance of Confiant's client-side JavaScript SDK
  • Build and optimize SDK internals for maximum runtime performance across diverse publisher environments
  • Translate security threat intelligence into SDK-level detection and blocking logic

Confiant is cybersecurity built for advertising, providing real-time intelligence and precise controls that detect and block malvertising and compliance risks. They are a small but growing engineering team focused on high standards, collaboration, and end-to-end ownership, operating as a 100% virtual company worldwide.

Global

  • Analyze web and mobile applications through reverse engineering and decompilation to uncover hidden mechanisms and cryptographic functions.
  • Overcome advanced anti-bot mechanisms such as TLS, HTTP/2, HTTP/3, WebSockets, DoH, and session management.
  • Develop custom Python scripts and frameworks to automate bypass procedures and implement stealthy scraping techniques.

Digital Shelf by NIQ provides cutting-edge cybersecurity solutions for scraping data from 12 billion products and managing over 20 billion data points in a $10B anti-bot industry. The team is dedicated to tackling real-world challenges with precision and creativity in a collaborative environment.

US 26w maternity 26w paternity

  • Architect and build the core automation runtime for open banking data aggregation.
  • Design secure network interception layers and high-performance communication protocols.
  • Navigate complex multi-step authentication flows and ensure scalability and resiliency.

Zero Hash is the leading crypto and stablecoin infrastructure platform and the operating system for digital money, powering the next generation of financial services. Founded in 2017, the company enables banks, brokerages, fintechs, and payment companies to offer crypto trading, stablecoin payments, and tokenized assets with a high-performing team.

Canada 4w PTO 16w maternity 16w paternity

  • Define and drive the technical strategy for frontend development across Vanta, establishing patterns and standards that scale.
  • Establish best practices for data layer architecture, state management, testing frameworks, and design systems organization-wide.
  • Mentor and coach engineers across the organization, helping them level up their frontend skills and architectural thinking.

Vanta helps businesses earn and prove trust through continuous security monitoring and a trust management platform. Founded in 2018, Vanta has a kind and talented team that values diverse backgrounds and offers a remote-first culture with offices in multiple global cities.

$169,000–$208,000/yr
Global

  • Own the browser automation and crawling engine that discovers and interacts with target applications during autonomous pentests.
  • Tackle modern web app challenges such as SPA routing, authenticated sessions, MFA, and production-safe crawling.
  • Collaborate with attack-team engineers to shape the application map that the rest of the pipeline depends on.

Horizon3.ai is a fast-growing cybersecurity company that provides autonomous pentesting solutions via its NodeZero platform to help organizations find and fix attack vectors. The company is a fusion of former U.S. Special Operations cyber operators and startup engineers, fostering a culture of respect, collaboration, and ownership.

Global

  • Work across Angular/React, Java/Node.js, APIs, databases, AI tools, agents, MCPs, and automation.
  • Build and ship real products with clean UI/UX and a high bar for code quality.
  • Bring ownership, speed, curiosity, and startup energy while validating AI output and avoiding data leaks.

PlayPower Labs is a company building real products with cutting-edge AI tools and modern web technologies. They focus on fast learning for high-energy freshers in a dynamic startup environment.

Germany

  • Implement privacy-improving, anti-tracking features and data sanitization into the Firefox web browser.
  • Implement architectural improvements into Gecko, the browser engine underlying Firefox.
  • Build performant, low-latency, and maintainable C++, JavaScript and Rust code.

Mozilla builds the Firefox web browser and works to keep the internet open and accessible to all. The company has a global distributed team and values diversity, equity, inclusion, and belonging.

US

  • Develop, test, and deploy code for prototypes and new product features.
  • Collaborate with team members to solve technical challenges and improve solution design.
  • Experiment with modern tools, frameworks, and emerging technologies.

Twilio shapes the future of communications, delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.

India

  • Design and build privacy-focused systems that protect users from tracking, data misuse, and emerging online threats.
  • Enhance backend services and privacy infrastructure using Go, Node.js, Python, or Perl.
  • Lead complex technical projects from ideation through implementation, ensuring scalability and reliability.

Our partner is a privacy-first engineering organization focused on building and maintaining systems that protect users from tracking, profiling, and emerging online threats. They operate in a fully remote, globally distributed environment with a values-driven culture centered on trust, privacy, and transparency.

Global

  • Design end-to-end revenue infrastructure for lead capture, enrichment, routing, and attribution from first pageview to closed-won.
  • Develop high-performing landing pages and build complex workflows using Zapier and n8n.
  • Architect publishing systems, automate content distribution, and run disciplined experiments to optimize workflows.

Influur is redefining advertising through creators, data, and AI. It is a fast-growing startup backed by top-tier investors and trusted by global brands.

$140,000–$250,000/yr
United States

  • Own the technical solution sales cycle by presenting the Ketch platform to diverse audiences and leading high-impact product demonstrations.
  • Architect customer solutions, produce detailed diagrams, and build rapid prototypes using front-end tools and back-end APIs.
  • Serve as a Privacy SME, master data and ad ecosystems, and collaborate cross-functionally to influence product roadmap.

Ketch is redefining responsible data use for the AI era with a Data Permissioning Platform for privacy and compliance. Global brands rely on Ketch to support GDPR and CCPA, and the company fosters a culture of belonging and equal opportunity.