Senior iOS Developer

Join our team in Warsaw, where we’re collaborating on a cutting-edge fintech venture with a global industry leader. Together with our Partner – Klarna, we’re building an IT hub designed to drive innovation in digital payment solutions. We’re on the lookout for top-tier engineers who thrive in dynamic, forward-thinking environments. Spyrosoft is leading the recruitment process, facilitating a seamless experience for candidates who are ready to shape the future of online shopping and payments.

This opportunity is ideal for engineers who value independence, proactiveness, and flexibility. Our engagement begins with a B2B contract through Spyrosoft, transitioning to a direct contract with our Partner.

We offer a hybrid work model in Warsaw’s vibrant Wola district. English fluency and eligibility to work in Poland are essential, as is the successful completion of a background check to meet the rigorous standards of the financial domain.

Our process:

• CV selection
• Initial recruitment screening
• Technical interview
• Online logic test
• Cultural fit interview

Project description:

Join a dynamic team focused on developing and maintaining a high-performance mobile SDK used by thousands of merchants and millions of users. Our goal is to provide secure, seamless mobile experiences by leveraging the latest iOS features like Passkeys, Keychain, and biometric authentication. You’ll contribute to native enhancements of our React Native app and build robust integrations with third-party services for tasks like ID verification and NFC passport reading.

Tech stack:

• Swift (primary), Kotlin, Java, Groovy, JavaScript (secondary)
• iOS, React Native
• Fastlane, Jenkins
• REST, GraphQL
• Node.js, AWS
• Datadog, Docker, Kafka

Requirements:

• Extensive experience in iOS development with a strong command of Swift
• Deep knowledge of the iOS ecosystem and experience building reusable frameworks
• Demonstrated ability to write clean, testable, and well-documented code
• Understanding of iOS application release/signing, CI/CD pipelines
• Strong sense of ownership and the drive to deliver impactful features
• Comfortable working in a collaborative, high-performing team
• Bonus: familiarity with Android, Kotlin, and/or React Native is a plus

Main responsibilities:

• Develop and maintain a native iOS SDK integrated into a React Native app
• Replace inefficient JavaScript views with high-performance native components
• Integrate and optimize third-party SDKs for authentication and identity verification
• Ensure secure and efficient handling of camera and system permissions
• Collaborate with cross-functional teams to deliver consistent mobile experiences
• Optionally contribute to the React Native codebase
• Embrace Agile, write testable code, and continuously improve delivery processes