Senior iOS Developer with Swift, Mobile SDK Platform

TL;DR

Senior iOS Developer with Swift, Mobile SDK Platform (Swift/iOS SDK): Lead technical design and implementation for modernizing a mobile SDK for digital fraud prevention and customer authentication with an accent on scalable, secure, high-performance SDK architecture and cross-version compatibility. Focus on defining architecture, validating migration strategies, building proof of concept components, and establishing engineering standards for distribution, testing, and security.

Location: Almaty, Astana, Belgrade, Cluj-Napoca, Krakow, Larnaca, Lodz, Lublin, Riga, Sofia, Tbilisi, Varna, Warsaw, Wroclaw, Yerevan; Remote: Bulgaria, Georgia, Kazakhstan, Poland

Company

hirify.global delivers software engineering services for enterprise and product teams.

What you will do

• Lead technical design and implementation of iOS SDK components for fraud prevention and customer authentication.
• Define and maintain SDK architecture aligned with enterprise standards.
• Develop proof of concept components to validate migration and design approaches.
• Ensure SDK compatibility across multiple iOS versions and devices.
• Establish guidelines for SDK distribution, integration, and versioning.
• Drive testing strategy (unit, integration, and UI) and implement secure coding practices.

Requirements

• 8+ years of iOS development experience.
• Strong proficiency in Swift and experience with Objective-C interoperability.
• Experience building and maintaining reusable iOS SDKs/frameworks.
• Knowledge of framework distribution and packaging: XCFramework, Swift Package Manager, and CocoaPods.
• Understanding of iOS security concepts: Keychain, Secure Enclave, and certificate pinning.
• Experience with testing frameworks (XCTest, XCUITest) and iOS background execution models.

Nice to have

• Experience in financial services or other regulated environments.
• Exposure to sensor data processing (CoreMotion) or gesture handling.
• Background in security-focused application development.

Culture & Benefits

• Vacation, sick pay, and time off for state holidays according to local laws and official calendars.
• Health insurance support for you and your loved ones.
• Learning support including coverage for IT certifications and access to courses and learning platforms.
• Supportive, flexible, and innovative tech environment with regular team events.

Hiring process

• Interviews to assess iOS/SDK architecture, security, and testing experience.
• Discussion of design approach, migration strategy, and engineering standards for SDK distribution.