We are seeking a dedicated and detail-oriented full-time iOS developer to join our team.
What you will be doing:
As a key member, you will be immersed in the dynamic realm of a sophisticated, end-to-end-encrypted multimedia chat application that has evolved over the last 9 years. The application, written predominantly in Swift, boasts a stack comprising UIKit, Realm, SQLite, Olm, WebRTC, Jitsi, and XMPP. Your primary focus will be enhancing the application by introducing new features and modernizing the existing codebase.
Responsibilities:

    * Collaborate with the development team to design, implement, and maintain features for our secure chat application.
    * Contribute to the continuous improvement and optimization of the application's performance.
    * Conduct regular code reviews to ensure the quality and security of the codebase.
    * Troubleshoot, debug, and resolve issues promptly to ensure a seamless user experience.

Qualifications:

    * 3-5 years of hands-on experience in developing native iOS applications using Swift.
    * Proficient understanding and extensive experience with UIKit and other core iOS frameworks.
    * Strong problem-solving skills with the ability to think creatively and find innovative solutions.
    * Knowledge of cryptography concepts, including public/private keys, cryptographic signatures, and end-to-end encryption (E2EE) using protocols such as Olm, SignalProtocol, or any other ratchet-based encryption.
    * Proven ability to quickly grasp complex subjects and apply newfound knowledge effectively.
    * Self-motivated and proactive mindset, with the capability to manage tasks independently and deliver high-quality results.
    * Excellent communication skills and the ability to collaborate effectively within a team.

Joining our team offers you the opportunity to contribute to a cutting-edge application that prioritizes security and innovation. If you are passionate about iOS development, thrive in a challenging environment, and are eager to make a lasting impact, we encourage you to apply and be part of our dynamic team.
If you're interested, please send a CV to