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Keyo

iOS Developer

Remote Middle $2.5k–$8.4k/moest.

Summary

Keyo is pioneering next-generation identity infrastructure combining privacy-centric palm recognition with decentralized authentication. As an iOS Developer, you will design, develop, and maintain secure, scalable mobile applications for mobile wallets and identity solutions while working with an international, cross-functional team.

What you'll do

  • Design, develop, and maintain secure, scalable iOS applications with focus on mobile wallets and identity solutions
  • Write clean, efficient, and well-documented code following best practices and architectural guidelines
  • Implement intuitive UI/UX experiences using UIKit with smooth user interactions
  • Architect complex navigation flows and modularize code using MVP+C pattern
  • Implement industry best practices for security, data protection, and encryption including Keychain Services
  • Integrate secure authentication and payment solutions with backend teams
  • Write unit tests to ensure app reliability and maintainability
  • Optimize application performance across various iPhone devices
  • Participate in code reviews, technical discussions, and knowledge-sharing sessions
  • Stay up to date with emerging iOS development trends

Requirements

  • 3+ years of experience in iOS development with production-level applications
  • Proficiency in Swift and iOS SDK (UIKit)
  • Strong experience implementing MVP+C architectural pattern
  • Experience with mobile wallets, C-library, payment systems, or identity-related applications
  • Strong understanding of security best practices, encryption, secure storage (Keychain), and authentication protocols
  • Experience with RESTful APIs, WebSockets, and real-time data synchronization
  • Knowledge of local storage solutions (Realm)
  • Experience with biometric authentication (FaceID, TouchID)
  • Strong problem-solving skills and ability to work in fast-paced environment
  • Excellent communication and cross-functional collaboration skills
  • Preferred: SwiftUI, Combine framework, CI/CD pipelines, digital identity or decentralized technologies experience

Conditions

Employment Type: Full time

Work Environment: Remote-first with international team across different time zones

Benefits: Competitive Compensation, Growth Opportunities, Mission-driven company culture, Team members from around the world

Interview Process: Camera required for all interviews, project walkthrough in second stage

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