Senior iOS Engineer

Position Overview

• Location Type: Remote
• Employment Type: Full-Time
• Salary: Not specified
• About Zello: Zello is a voice-first communication platform powered by push-to-talk technology, used by over 175+ million users worldwide. It's the #1 rated push-to-talk app, delivering 9 billion messages a month. Zello serves frontline workers and supports first responders globally.

Responsibilities

• Design, develop, test, and deliver new AI-focused features for the Zello iOS app.
• Improve and enhance existing code using modern patterns and practices.
• Proactively address app crashes, field issues, and customer feedback.
• Quickly master new and evolving technologies and share insights with the team.
• Accelerate the velocity of the team by independently delivering numerous high quality projects.
• Develop a deep understanding of the iOS app's design and implementation.
• Enhance the codebase with targeted refactoring and comprehensive test coverage.

Requirements

• Deep working knowledge of Swift, Objective-C (+ iOS SDK), UIKit and SwiftUI.
• C++ and CoreAudio experience is a plus.
• 5+ years of software development experience for iOS.
• Published apps in the App Store (links in resume/cover letter).
• Clear comprehension of OOP, concurrency, synchronization, memory management.
• Good knowledge of design patterns, guidelines, and best practices.
• Good insight on how networks work (TCP, UDP, sockets, HTTP, TLS etc).

Company Information

• Company Values: Zello values collaboration, supporting frontline workers, and connecting people in times of crisis.
• Work Environment: High freedom/high responsibility.
• Benefits: Competitive salary and generous stock options.

Additional Information

• Important: Be aware of potential scams. Zello will never ask for bank account information, checks, or sensitive data. All correspondence will come from zello.com email addresses. Contact recruiting@zello.com with questions.