Remote Backend Jobs

Headquarters: Chicago, IL
URL: https://fingerprint.com

We’re looking for a Senior iOS Engineer with a strong background in Information Security to join our Mobile team. This is a high-impact role at the intersection of mobile engineering and security, where you’ll help shape the future of mobile device intelligence and fraud prevention.

You’ll be a key contributor to our iOS SDKs—building cutting-edge detection signals, optimizing performance, and delivering an exceptional developer experience. You'll also collaborate closely with product managers, backend engineers, and data analysts to drive innovation through new methodologies and data-informed decisions.

What You’ll Do:

• Lead the development and evolution of our iOS products:

• Fingerprint iOS PRO SDK – Design and implement detection signals; improve performance, stability, and reliability.

• Fingerprint iOS OSS SDK & Showcase App – Maintain and advance our open-source offerings.

• Fingerprint Device Intelligence Demo App – Build new features and implement UI screens from Figma designs using SwiftUI.

• Research and prototype new methodologies that enhance our fraud prevention capabilities, efficiency, and technical edge.

• Conduct post-deployment analysis on collected data and collaborate on improving server-side logic and detection systems.

• Work cross-functionally with backend engineers, PMs, and security researchers to deliver impactful features end-to-end.
  
  

What We’re Looking For:

• 5+ years of hands-on iOS development experience in a senior-level capacity.

• Located in EMEA

• Strong foundation in Information Security, with prior experience as an iOS engineer in a security-focused organization or on a security-centric product.
  
  Demonstrated ability to build native iOS applications and SDKs from the ground up.

• Proficiency in Swift and the iOS SDK; hands-on experience with SwiftUI for UI development.

• Experience building tools for other developers is a strong plus.

• Data-savvy mindset with a comfort level working with product and data teams.

• Excellent written and verbal communication skills; thrive in a remote-first, async team environment.

Nice to Have:

• Experience with GitHub Actions

• Familiarity with obfuscation techniques

• Open-source contributions—share your GitHub profile if applicable.

• Interest in expanding into backend development, such as writing backend detection logic.

• Engagement in the InfoSec community through conference speaking, writing, or active participation.

To apply: https://weworkremotely.com/remote-jobs/fingerprint-senior-ios-security-engineer-emea