iOS Engineer
Bonapolia · Tallinn, Estonia
IT Services and IT Consulting · 11-50 employees
About the role
Develop secure, scalable, and high-performance iOS applications for core banking and payment services. Collaborate with cross-functional teams to integrate payment APIs and ensure regulatory compliance.
What they look for
Requirements
Requires over 4 years of professional iOS experience with Swift and modern architectures like MVVM or VIPER. Expertise in mobile security, encryption, and familiarity with GDPR and PCI DSS is essential.
Full description
Project/Client: Fintech Location: Baltic States, EU (remote) Seniority: Senior Language: English
Role Overview: We are looking for a hands-on iOS Engineer to develop secure, scalable, and high-performance mobile applications supporting core banking, payments, and regulated financial services. The role involves close collaboration with product, design, and backend teams to deliver robust, compliant, and user-centric solutions.
Key Responsibilities:
- Design, develop, and maintain iOS applications for secure banking and payment services
- Translate product and regulatory requirements into clear technical solutions
- Integrate mobile apps with payment APIs, core banking systems, and compliance platforms
- Apply secure coding, encryption, and data protection practices
- Ensure high performance, responsiveness, and reliability across iOS devices and OS versions
- Participate in test automation, CI/CD pipelines, and Agile development
- Collaborate with cross-functional teams across delivery, testing, and release processes
Must-Have Requirements:
- 4+ years of professional experience in iOS development using Swift
- Strong experience with UIKit, SwiftUI, Combine, CoreData, and modern architectures (MVVM / VIPER)
- Experience integrating apps with RESTful APIs and secure data exchange
- Expertise in mobile security, encryption, and secure authentication patterns
- Familiarity with GDPR and PCI DSS
- Proven experience in Agile / Scrum environments
- Strong communication and collaboration skills
Nice to Have:
- Experience in fintech, banking, or payments mobile applications
- Knowledge of ISO 20022, SEPA, or other payment scheme standards
- Background in high-availability or high-security mobile systems
📩 Ready to Join? We look forward to receiving your application and welcoming you to our team!