Senior Software Engineer (iOS)

We are currently looking for a skilled iOS Developer to join a strategic banking technology engagement. The candidate will be a core contributor to the development of a next-generation banking mobile application for a major financial institution, working alongside cross-functional teams of designers, backend engineers, and product managers to deliver a secure, high-performance, and user-centric experience.This role is tied to a high-impact project at the intersection of fintech innovation and enterprise-grade delivery, within a structured and collaborative consulting environment. 

Responsibilities

• Design, develop, and maintain high-quality iOS applications using Swift and SwiftUI
• Build and integrate RESTful and GraphQL APIs for core banking functionalities (accounts, transfers, payments, notifications)
• Implement robust security standards including encryption, certificate pinning, and biometric authentication (Face ID / Touch ID)
• Collaborate with UX/UI designers to translate Figma prototypes into pixel-perfect, accessible interfaces
• Write unit and integration tests to ensure reliability and maintainability across releases
• Participate in code reviews and enforce best practices in a CI/CD pipeline
• Work closely with backend and QA teams to define acceptance criteria and ensure end-to-end functionality
• Contribute to architectural decisions, technical documentation, and sprint planning in an Agile environment

• Minimum 5 years of professional iOS development experience
• Strong proficiency in Swift; familiarity with Objective-C is a plus
• Hands-on experience with SwiftUI and UIKit
• Solid understanding of iOS frameworks: Core Data, Core Animation, Push Notifications, Keychain Services
• Experience integrating and consuming REST APIs and handling JSON data
• Familiarity with version control using Git and branching strategies (GitFlow)
• Understanding of mobile security principles relevant to financial applications
• Experience with App Store submission, TestFlight, and the Apple Developer ecosystem
• Communication & Time Management Skills
• Analytical thinking & Problem-Solving Attitude
• Languages required: English and Greek, both written and verbal

Nice to have

• Prior experience in fintech or banking mobile applications
• Knowledge of PSD2, Open Banking standards, or PCI DSS compliance
• Experience with Combine or async/await concurrency patterns
• Exposure to modular/microapp architecture
• Familiarity with design systems and accessibility (WCAG) standards
• Understanding of Agile/Scrum and consulting project delivery

• Professional development through participation in challenging, real business projects in different industries.
• Working in a dynamic and fast-growing Technology Company with recognized partners.
• Opportunity to work in a diverse environment with talented colleagues.
• Competitive remuneration package.
• Private Health Insurance.
• Training & Development.
• Laptop.
• Flexible Working Environment.