Sr./Staff JavaScript Developer - Web SDK

Stack

Responsibilities

• ▹Build a high-performance Web SDK for collecting browser/device data
• ▹Design device fingerprinting algorithms and behavior-based insights
• ▹Build CI/CD pipeline with automated cross-browser testing
• ▹Continuously optimize SDK performance
• ▹Conduct code reviews and mentor junior engineers
• ▹Embed data privacy and security principles into SDK design

Requirements

• ▹Proficiency in JavaScript (ES6+), TypeScript, REST APIs, Git
• ▹Experience designing and maintaining Web SDKs or libraries
• ▹Deep understanding of browser environments and APIs
• ▹Knowledge of data privacy, encryption, hashing, obfuscation
• ▹Cross-browser compatibility experience

Nice to have

• ▹Understanding of server-side technologies and RESTful APIs
• ▹Proficiency with modern build tools and frameworks

Soft skills

About the company

Oscilar builds an AI Risk Decisioning platform serving banks and fintechs to manage fraud, credit and compliance risk.