Full-time

Senior Full Stack Engineer

Posted by Collectly • Barcelona, Cataluña, Spain

📍 Barcelona, Cataluña 🕒 February 23, 2026

About the Role

Our mission is to enable healthcare organizations to focus on providing care, rather than spending time on collections and tedious administrative tasks. At the same time we see this being possible only by providing financial transparency for patients and a modern patient experience from check‑in to getting a bill.

We’re Y Combinator alumni and have raised last year $29M from Sapphire Ventures to expand the product and accelerate growth from a healthy bottom line with hundreds of clients.

$85,000 - $108,000 a year

Job Description

As a Senior Full-Stack Engineer (Front-End Heavy) , you will help build core parts of the Collectly platform. You will work on building front‑end heavy features using React, TypeScript, Redux Toolkit, and our internal UI Kit. Accuracy, performance, and near pixel‑perfect implementation are important in this role. Although the focus is on front‑end work, we value engineers who can own a feature across the stack from...

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