DRFreelancer profile translated to English.
Back to original languageAbout Diego
🚀 iOS Developer | Swift | SwiftUI | Clean Architecture
I am an iOS developer with 3 years of hands-on experience, currently collaborating on a large-scale Inditex project with millions of active users worldwide. I specialize in building scalable, maintainable, and high-performance applications using Swift, SwiftUI, and clean architecture.
I have helped improve application reliability and expand user reach by developing new features, optimizing performance, and implementing automated testing. I am passionate about clean code, continuous improvement, and delivering intuitive user experiences.
💡 Open to freelance iOS opportunities where I can bring my technical expertise and collaborative energy to your team.
📩 Let's build something great together, feel free to reach out!
Spanish
Native or bilingual
English
Fluent
Can work on-site
Madrid (up to 50km)
Experience
- NomasystemsiOS DeveloperE-COMMERCESeptember 2023 - Today (2 years and 9 months)Madrid, Spain• Redesigned 50% of core modules (search, cart, checkout) by migrating from UIKit to SwiftUI under Clean Architecture, enhancing maintainability and enabling faster feature delivery.• Led the migration of 30% of legacy Objective-C code to Swift (Swift 6-ready) within 2 months, accelerating modernization and reducing technical debt.• Developed and shipped new high-impact features (push notifications, in-app purchases).• Expand unit test coverage by 20% through the development of new automated, unitary and integration test suites, boosting product reliability (experience using TDD architecture).• Maintained production stability by resolving critical bugs and issues, decreasing crash reports and improving pre-production quality.• Integrated advanced monitoring and analytics tools (Firebase, Zenit, Facebook Analytics) to drive data-informed improvements and feature optimization.• Conduct code reviews to enforce Clean Architecture, Swift standards, and code quality across the team.• Collaborated in a fully Agile environment, actively contributing to sprint planning, stand-ups, and refinement sessions, aligning cross-functional teams (design, backend, stakeholders, external providers) to deliver features on time and with business impact.• Implement full WCAG 2.2 accessibility support in core components, ensuring inclusivity and compliance through internal audits.• Stayed up to date with modern iOS trends (Swift Concurrency, SwiftUI, modular architecture), continuously driving technical improvements and best practices across the team.
- NTT Data SpainSoftware Engineer InternBANKING AND INSURANCEJune 2022 - September 2022 (3 months)Madrid, Spain• Developed REST-based microservices using Java, contributing to scalable cloud solutions in international projects.• Collaborated with cross-functional teams across Spain, India, and the USA, improving adaptability and communication in multicultural Agile environments.• Supported solution planning and implementation, gaining insight into enterprise workflows and large-scale delivery processes.
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Education
- Advanced Program, CloudUNIRAdvanced Program, Cloud
- Bachelor's, ComputerUniversidad Complutense de MadridBachelor's, Computer