Frontend Developer – CRO
Core
Design, develop, and optimize high-performance web interfaces to drive measurable improvements in user experience and conversion rates through digital experimentation.
Role type
Frontend Developer specializing in Conversion Rate Optimization (CRO)
Builds
Scalable web interfaces and technical implementations for A/B testing and multivariate experiments
Domain
Digital marketing, e-commerce, and web performance optimization
Deliverable
production ML models | product features | dashboards & analysis
Required skills
Advanced JavaScript (ES6+), HTML5, CSS3/SASS, React/Angular/Vue.js, A/B testing implementation, multivariate testing, Core Web Vitals optimization, code review
Preferred skills
Experience with Adobe Target, Optimizely, or VWO, analytical mindset for interpreting user behavior metrics
Technologies
JavaScript, HTML5, CSS3, SASS, React, Angular, Vue.js, Adobe Target, Optimizely, VWO
Responsibilities
Design and develop complex, scalable web architectures; Lead technical implementation of digital experiments ensuring site stability; Ensure experiments do not negatively impact Core Web Vitals or UX; Collaborate with product, UX, and analytics teams to translate business hypotheses into measurable solutions; Make technical decisions on front-end stack and experimentation tools; Conduct code reviews for quality and consistency
Seniority
Mid-level to Senior, hands-on IC