JavaScript Engineer - job 1 of 3

Job Summary

A company is looking for a JavaScript Engineer to develop and maintain high-performance browser-side SDKs.

Key Responsibilities

• Build and maintain a TypeScript/JavaScript agent for device identification and risk assessment
• Optimize code for stealth, resilience, and performance across various browsers
• Collaborate with cross-functional teams to ensure effective signal capture and detection logic

Required Qualifications

• Expert-level experience in JavaScript and TypeScript, particularly in browser environments
• Deep understanding of browser APIs, DOM behavior, and security principles
• Experience in building libraries or SDKs for production use
• Strong frontend development skills with some backend familiarity
• Proficiency with build tools and modern testing frameworks