Freelancer profile translated to English.
Back to original languageAbout David
⚡ TECHNICAL LEADERSHIP, DEVELOPMENT AND TRAINING
With over 15 years of experience, I have led mobile development teams and projects, and designed custom training programs for companies such as Inditex, Banco Santander, BBVA, Telefónica, Bankinter, Adif, Mutua Madrileña, Ilunion, KnowmadMood, Public Administrations, and multiple startups.
🚀 MOBILE TECH LEAD
I bring a strategic and technical vision, coordinating multidisciplinary teams and ensuring quality and deadlines at each project phase. I am involved from planning to maintenance, technically guiding the team and facilitating fluid communication between design, product, and development.
🤖 EXPERT IN ANDROID AND KOTLIN MULTIPLATFORM (KMP)
With solid experience in Kotlin and Java, I work with technologies like Flow, Coroutines, Ktor, Room, Koin, and NavGraph, using modern architectures (MVVM, UseCases, Repositories). I develop cross-platform solutions with KMP, optimizing shared code without sacrificing the native experience on Android and iOS.
🍏 iOS DEVELOPMENT WITH SWIFTUI
I have developed and led iOS projects in Swift, SwiftUI, and Objective-C, using various architectures. I master new APIs like Swift Concurrency (Async/Await) and integrate unit tests to ensure maintainability, performance, and scalability.
🎓 TRAINING AND MENTORING
I provide specialized training in mobile development (Android & iOS), tailored to the profiles and objectives of each company, from basic courses to advanced bootcamps. I also support junior and mid-level developers in their growth within the team.
🎯 VISION, COLLABORATION, AND RESULTS
I am passionate about taking on challenges and delivering real value. I enjoy leading technical initiatives, improving processes, and creating collaborative environments where each member can grow. My focus: building strong teams, paying attention to detail, and achieving excellent products.
English
Conversational
Spanish
Native or bilingual
Remote only
Primarily works remotely
Experience
- Mobile One2One, S.L.Senior Kotlin Multiplatform DeveloperTECHJuly 2025 - June 2026 (11 months)Madrid, SpainDevelopment as an expert in Kotlin Multiplatform (KMP) for a secure communications project aimed at Desktop environments, compatible with macOS, Windows, and Linux.Participation in the design and implementation of a cross-platform architecture for managing messaging, video calls, and real-time communication processes, ensuring high security standards. Implementation of encryption and data protection mechanisms to ensure the confidentiality and integrity of information in all interactions.Development of shared components across platforms, optimizing code reuse and system maintenance. Collaboration in defining the technical architecture, integrating services, and continuously improving the performance and stability of the solution in critical communication environments.
- Dust SummitCEO - Senior iOS and Android DeveloperSOFTWARE PUBLISHINGOctober 2021 - December 2025 (4 years and 2 months)Senior developer of mobile applications for Android and iOS. Development, consulting, and management of mobile application development projects. Also maintenance of both Android and iOS projects.Working on iOS with Swift and UIKit or SwiftUI and on Android with Java or Kotlin.-- SOFTWARE --Backend, web, and mobile developments necessary to deliver the product you need.-- CONSULTING --Experience and ability to face any challenge, providing expertise and knowledge.-- TRAINING --Customized training according to your needs, from basic to expert level in mobile.
- KeepcodingiOS & Android TrainerEDUCATION AND E-LEARNINGApril 2019 - Today (7 years and 4 months)Madrid, SpainTrainer in the Fullstack Mobile Development Bootcamp, teaching specialized modules in Swift, data persistence, and continuous integration with Fastlane. Design and execution of content focused on practical developer training, covering from Swift language fundamentals to advanced techniques in local storage, data management, and automation of build, testing, and deployment processes.Pedagogical approach based on real projects to facilitate understanding of professional workflows and industry best practices. Continuous support for students during their learning process, fostering technical autonomy, code quality, and preparation for industrial development environments in mobile applications.
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Education
- Degree in Business Administration and Management and Technical Degree in Management Information TechnologyUniversidad Rey Juan Carlos2011Proyecto de Fin de Carrera: Aplicación Android basada en el metro de Madrid. La aplicación Madrid Subway permite cálculos de rutas, crear favoritos y consultar planos de metro. (Disponible en el Market de Android) Calificación del proyecto: 10.0
- Master in Multiplatform Application DevelopmentCICE2013- Diseño y desarrollo de aplicaciones móviles en Android, iOS, HTML5, JavaScript, jQuery Mobile, Flash Builder y CSS3. - Creación de aplicaciones multiplataforma y nativas utilizando frameworks de Sencha y PhoneGap.
Certifications
- Android Application DevelopmentUniversidad Camilo José Cela2011
- iOS Application DevelopmentUniversidad Camilo José Cela2012