About the RoleWe are looking for aPrincipal iOS Developerto join our growing Digital & Technology team in Lisbon. In this senior individual contributor role, you will lead the architecture, development, and delivery of high-quality iOS applications. You will act as a technical authority, mentor for junior engineers, and a key partner across product, design, and engineering teams. What You'll Do Architect, design, and develop robust, scalable iOS applications using Swift and SwiftUI Define and enforce iOS engineering best practices, coding standards, and design patterns across the team Lead technical discovery, feasibility assessments, and solution design for new product initiatives Drive the adoption of modern iOS frameworks, tools, and testing strategies Collaborate closely with cross-functional teams, including Product, UX, Backend, and QA Mentor and grow the iOS engineering team through code reviews, pair programming, and knowledge sharing Identify and proactively resolve performance bottlenecks, security vulnerabilities, and technical debt Contribute to the engineering roadmap and long-term technology strategyWhat We're Looking ForRequired 8+ years of professional iOS development experience Deep expertise in Swift and SwiftUI (UIKit knowledge is a plus) Proven track record designing and delivering complex, production-grade iOS applications Strong understanding of iOS architecture patterns (MVVM, Clean Architecture, TCA) Experience with RESTful APIs, GraphQL, and secure data handling Proficiency with CI/CD pipelines, automated testing (XCTest, UI Testing), and App Store deployment Excellent problem-solving skills and a strong sense of ownership Strong communication skills in English (written and spoken)Preferred Experience in regulated industries Familiarity with accessibility standards (WCAG) and inclusive design Experience working in agile/scrum environments Knowledge of backend technologies or cloud platforms (AWS, Azure)What We Offer Competitive salary and performance-based bonus Flexible and hybrid work model Comprehensive health and wellness benefits Learning & development budget International and collaborative work environment