Senior iOS Engineer

  • New York, NY, USA
  • Full-time

Company Description

Imagine a world in which cost and training are no longer barriers for access to life saving technology. A world in which medical devices become smarter with each new patient they see. At 4Catalyzer we are making that vision a reality. We operate at the intersections of medicine, engineering, and machine learning with a collective goal to change the world and save the life of someone you love. If you are not satisfied with the status quo, have a passion for making a difference in the world, and love fast-paced innovative environments, we want you.

The eye is the window into the human body. At Tesseract, we are harnessing the informational power of the retina to diagnose pathologies and save lives through early intervention. We are building a handheld, user-friendly device that will give patients and doctors access to their general health data. We are seeking brilliant, gritty, passionate people who want to illuminate the hidden information of the body and democratize healthcare. In this early stage, you can have a significant stake in the company and ownership over your work. As a 4Catalyzer company, home of unicorn Butterfly Network, we benefit from being part of an incubator with 300 scientists and engineers and over $600 Million in funding.

Job Description

  • Design and build an iOS application for real-time interaction
  • implement bluetooth communication between iOS and device
  • Implement sleek, modern user interface


  • 3+ years developing iOS applications
  • Experience incorporating core bluetooth and/or BLE in iOS app
  • iOS expertise, Swift & Objective-C
  • Experience with React Native
  • Experience deploying iOS applications at scale
  • Strong design, UX skills a plus
  • Android experience a plus

Additional Information

All your information will be kept confidential according to EEO guidelines.