Frontend Engineer at Centaur (W19) $130K - $160K Quality-first data labeling for model evaluation and training Boston, MA / Remote (US) Full-time US citizen/visa only 3+ years About Centaur At Centaur, we label data at scale to enable breakthroughs in medical AI. Our novel approach uses collective intelligence to aggregate medical opinions from experts and students all over the world. Our labeling customers include leading AI companies and prominent research organizations. We're funded by SignalFire, Matrix, Accel, and Y Combinator. About the role Skills: React, JavaScript, TypeScript Frontend Engineer We’re looking for a creative front-end developer to join our product team and help deliver fast, modern web applications to delight our customers. Responsibilities: Intuitive, rich interfaces that communicate just enough information while inviting the user to learn more Streamlined workflows to enable uploading large datasets from a variety of sources Custom media tools (image/video/text) to help label data accurately and efficiently Effective use of techniques like caching, multipart file uploads, and async updates to ensure a smooth and responsive UX UI components and patterns that enable our team to ship new features quickly Requirements: 3+ years of experience in full-time roles using JavaScript/TypeScript Ability to balance quality with speed, and refactor as you go Motivated by solving hard & unique problems, continually advocating for the customer Experience shipping production code at a fast-growing startup Preferred: Opinions about design, copy, and UI/UX Backend experience (application servers, database, etc) Prefers simplicity over complexity EST or CST time zone Benefits: Competitive equity grant in a Series A company Work remote Yearly professional development stipend Generous PTO and parental leave Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Centaur Labs, we are dedicated to building a diverse, inclusive, and authentic workplace — so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You might just be the right candidate for this or other roles! Technology We use React.js and Swift on the frontend, and Python and Swift (Vapor) on the backend. Our data store is PostgreSQL, and we're hosted on AWS. Centaur faces a wide variety of difficult technical problems, from efficiently serving millions of images and videos to our users, to ensuring our platform is secure and our valuable data sets remain private, to performing complex analysis on our users' performance and building machine learning models to take our decision making capabilities to the next level. Interview Process Phone screen (20 mins) Technical interview (1 hr) Panel interview (3 hrs) Offer!