Sr./Staff JavaScript Developer - Web SDK
Core
Design and optimize a high-performance Web SDK for collecting browser, device, and behavioral signals to enable risk decisions and fraud prevention.
Role type
Sr./Staff JavaScript Developer (Web SDK)
Builds
High-performance Web SDKs for data collection, tracking, analytics, and risk management
Domain
Cybersecurity / Fraud Prevention / Web Platform
Deliverable
production ML models | product features
Required skills
JavaScript ES6+, TypeScript, Web SDK development, browser APIs, CI/CD pipelines, data privacy principles, encryption, hashing, obfuscation, cross-browser compatibility, build tools (Webpack, Babel, Rollup), REST APIs, code review, mentorship
Preferred skills
AI-driven analytics, risk systems, fraud prevention, gesture processing, interaction data analysis, high-scale distributed environments
Technologies
JavaScript, TypeScript, Webpack, Babel, Rollup, Git, REST APIs
Responsibilities
Lead development and evolution of Web SDK; design device fingerprinting and behavioral analysis algorithms; build CI/CD pipelines; optimize SDK performance; monitor emerging web technologies; develop maintainable code; conduct code reviews and mentor engineers; collaborate with cross-functional teams; embed security principles; drive innovation in browser-based risk technologies
Seniority
Sr./Staff, hands-on IC with mentorship
