iOS Developer to $2500
- Location: Remote
- Department: Mobile Team
- Employment Type: Full time
About Keyo:
Keyo is pioneering the next generation of identity infrastructure - a network that enables seamless, secure, and privacy-first authentication for individuals worldwide. By combining privacy-centric palm recognition technology with a decentralized approach to identity, Keyo empowers users to prove who they are - anywhere, instantly, and without friction.
We take an integration-first approach, allowing businesses to seamlessly incorporate a secure, privacy-centric biometric solution into their services. Our platform unites hardware, software, and infrastructure to enable trustless identity verification, making payments, access control, and authentication effortless.
With a commitment to security and compliance, Keyo is redefining what it means to own and control your identity in both the digital and physical worlds.
Apply to this job if the above excites you - if you’re ready to join a team driven by a bold vision that will take time, dedication, and innovation to achieve. We are an intentionally international team, fostering a product culture of extreme ownership, strong teamwork, and technical excellence in problem-solving.
About the Role
As an iOS Mobile Developer, you will be responsible for designing, developing, and maintaining secure and scalable mobile application. You will work closely with an international, cross-functional team, bringing curiosity and a learning mindset to tackle complex challenges. The ideal candidate writes clean, maintainable code, follows best security protocols, and is eager to stay up to date with the latest iOS development trends.
Key Responsibilities:
iOS App Development:
- Design, develop, and maintain secure, scalable iOS applications with a 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 that ensure smooth user interactions using UIKit.
- Architect complex navigation flows and modularize code using the MVP+C (Model-View-Presenter + Coordinator) pattern.
Security & Best Practices:
- Follow and implement industry best practices for security, data protection, and encryption (e.g., Keychain Services).
- Ensure compliance with security standards for handling sensitive user information.
- Work with backend teams to integrate secure authentication and payment solutions.
Collaboration & Learning:
- Work in a diverse, international team with engineers, designers, and product managers.
- Stay up to date with emerging iOS development trends and continuously improve coding and architecture practices.
- Participate in code reviews, technical discussions, and knowledge-sharing sessions.
Testing & Optimization:
- Write unit tests to ensure app reliability and maintainability.
- Optimize application performance for a seamless user experience across various iPhone devices.
Qualifications:
Technical Skills & Experience:
- 3+ years of experience in iOS development, building and shipping production-level applications.
- Proficiency in Swift and the iOS SDK (UIKit).
- Strong experience implementing the MVP+C (Model-View-Presenter + Coordinator) architectural pattern.
- Experience working with mobile wallets, C-library, payment systems or identity-related applications.
- Strong understanding of security best practices, including 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) in mobile applications.
Soft Skills & Mindset:
- Curious and open to learning, willing to explore new technologies and development approaches.
- Strong problem-solving skills and ability to work in a fast-paced environment.
- Comfortable working with an international, remote-friendly team across different time zones.
- Excellent communication skills and ability to collaborate with cross-functional teams.
Preferred Qualifications:
- Experience with SwiftUI and the Combine framework.
- Familiarity with CI/CD pipelines (e.g., Xcode Cloud).
- Experience with digital identity or decentralized technologies is a plus.
What We Offer
- Remote-first Work Environment
- Growth Opportunities
- Competitive Compensation
- Work at a mission-driven company with team members from around the world
How to Apply
Start your application with the word banana 🍌 - this helps us confirm that you’ve read the job description and understand the requirements.
To apply:
- Submit your resume.
- If you advance past the second interview, you’ll be asked to walk us through a project you’ve completed.
- All interviews require your camera to be turned on.
Important:
Reading from any AI agent during the interview will immediately end the call. We fully embrace AI as a tool for engineers, but we need critical thinkers. Show us that you’re a great fit by demonstrating extreme ownership, strong teamwork, technical excellence, and problem-solving skills.
Required languages
| English | C2 - Proficient |
| Ukrainian | B1 - Intermediate |