Senior Full-Stack Software Engineer, Discover

Seasoned full-stack engineer to evolve Circle Discover marketplace: build Next.js frontend and Rails backend features including algorithmic recommendations, search, content feeds, and purchasing flows; run A/B tests; work on data pipelines and services; collaborate with designers and leaders. Requirements: 5+ years full-stack experience on high-scale web apps; strong proficiency in Next.js, React, TypeScript, Tailwind, Ruby on Rails, MySQL/Postgres; experience with distributed remote teams; strong communication and English (CEFR C2); familiarity with A/B testing, search/recommendation a plus.