Senior Software Engineer (iOS)
Location: Athens, Attica, Greece
Department: Software Engineering House
Workplace: hybrid
Employment Type: full
Description
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
Requirements
- 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
Benefits
- 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.
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