Senior Fullstack Developer
Core
Design and optimize browser-execution mechanisms for embedded widgets and affiliate scripts to ensure high performance and privacy across diverse external websites.
Role type
Senior Fullstack Developer (Browser Performance & Embedded Infrastructure)
Builds
Embeddable widgets, affiliate platform scripts, and data collection tools for the creator economy
Domain
Creator economy, embedded monetization infrastructure, web performance engineering
Deliverable
production ML models | product features
Required skills
Vanilla/ES6+ JavaScript or TypeScript, Browser event loop and DOM API, Node.js, Python, HTTP/REST/JSON, A/B testing, Web scraping, Browser fingerprinting, Express.js middleware
Preferred skills
Open-source contributions, Privacy/GDPR compliance expertise
Technologies
Node.js, Python, Express.js, DOM API, HTTP, REST, JSON
Responsibilities
Optimize browser script load time and execution efficiency (minification, caching, lazy loading); Design robust content injection mechanisms for arbitrary websites; Architect and execute A/B/n experimental setups; Build and maintain Node.js/Python scrapers for partner data; Troubleshoot runtime logic for real-world usage; Own the embedded product stack (scripts, SDKs, APIs)
Seniority
Senior, hands-on IC