Frontend Software Engineer

Newlantern

San Francisco, California, United States permanent

Posted: November 14, 2025

Required Skills

Job Description

New Lantern is building an AI radiology resident—think Cursor for radiologists. Our application integrates the three software tools radiologists use all day [1], together with AI, to create a platform that saves radiologists toil and lets them focus on reading images and finding disease.

About this role

As a frontend software engineer working on our in-browser radiology platform, you'll be responsible for building and maintaining a reliable, high performance single-page application that enables radiologists to do their job more easily and efficiently, without getting in their way.

What you’ll do

• Take on end-to-end ownership for delivering a best-in-class radiology application.

• Solve user problems by shipping reliable and easy-to-use features and improvements using TypeScript and React.

• Collaborate with radiologists and clinical staff to discover requirements, build prototypes, and validate solutions.

• Improve application quality and reliability with pre-deployment automated testing, robust error handling, and graceful error recovery.

• Partner with backend developers to ship new features and improve overall system performance.

You have

• 4+ years of progressive experience building and maintaining complex, highly interactive single-page applications.

• Solid experience with JavaScript, TypeScript, React, and supporting tools.

• Well-practiced debugging and problem-solving skills, and a thorough understanding of the abstractions you typically build on top of.

• A product engineering mindset with a bias to talk to users frequently and ship iteratively.

• An end-to-end ownership mindset across design, implementation, testing, and monitoring.

Nice to haves

• Experience building and maintaining PWAs, IWAs, or Chrome Extensions.

• Experience building and maintaining apps using Wasm, Web APIs, and Chrome APIs.

• Experience profiling and optimizing SPAs using Chrome Dev Tools or similar.

• Experience building effective automated test suites for SPAs.

• Full-stack experience, ideally with Python/Django.

• Familiarity with radiology, medical imaging or related fields.

[1] a radiology image archive & viewer, a medical report dictation system, and work management system

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