Note: The job is a remote job and is open to candidates in USA. Circle is building an all-in-one platform for online digital businesses, bringing together communities, courses, events, content, and payments. The Senior Full-Stack Software Engineer will evolve Circle Discover by building intuitive, performant experiences for discovering and purchasing digital experiences, including recommendations, listings, content feeds, and purchasing flows. The role also involves improving frontend and backend systems, data pipelines, experimentation, and collaboration with leaders and designers.

Responsibilities

• Build polished, high-converting purchasing experiences that help members discover digital experiences and businesses sell digital memberships, courses, and content at scale
• Run A/B tests and experiments to validate changes that boost user acquisition, retention, and conversion behavior
• Implement and improve features in the Discover Next.js frontend application together with API endpoints in our Rails backend
• Work on data pipelines and services driving search and recommendations
• Proactively improve the quality of our codebase, processes and architecture
• Work closely with Circle's leaders throughout the feature design process
• Work closely with our designers to create a world-class user experience
• Foster a bias for action, prioritizing speed of iteration without compromising on the quality of code or user experience

Skills

• 5+ years experience working as a full-stack engineer on complex web applications with significant scale (100k+ rpm, 100GB+ databases)
• Strong proficiency in Next.js, ReactJS, TypeScript, Tailwind, Ruby on Rails and MySQL/Postgresql. Familiarity with both frontend and backend is necessary, but a high degree of proficiency in frontend is required
• A desire to work in an environment which values speed of iteration and individual autonomy, while also embracing personal accountability and the ability to collaborate effectively as part of a dynamic team
• Comfortable in a fast-paced environment with a certain level of ambiguity, especially when learning and picking up new technologies when projects require it
• Great communication skills both in writing and verbal/oral (English)
• Experience working on a fully distributed remote team
• Strong alignment with our values, find our values on our career page if you haven't read up on them yet
• You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5
• Previous experience working with creator-platforms, social content and video feeds, or marketplaces
• Experience with A/B testing and experimentation to optimize user experience, performance and conversion within consumer-facing applications
• Previous exposure to search, recommendation and personalization at scale
• Production experience with Next.js and hybrid React/Next.js systems for high-traffic applications

Benefits

• Equity in the company with ongoing refresh grants
• 35 days of paid time off each year
• Fully remote work
• Company retreats twice a year in incredible destinations around the world
• Flexibility and autonomy
• A benefits package that supports health, wellbeing, and professional growth

Company Overview