Christian Michell Álvarez Sánchez
Available to hire
I’m a software engineer with 5+ years of cross-platform mobile app development (Flutter, iOS, Android, Web, and Smart TV). I enjoy turning complex problems into delightful, reliable user experiences and have shipped 10+ production apps across fintech, travel, and consumer software.
I thrive in collaborative, agile teams and lead projects from architecture to CI/CD, with a focus on secure authentication, offline-first experiences, and responsive UI. I’m passionate about UX, code quality, and scalable delivery.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Spanish; Castilian
Fluent
English
Advanced
Work Experience
Desarrollador Flutter y Líder de Producto at YUVOD
January 1, 2025 - July 25, 2025Lideré el desarrollo de una plataforma OTT para Smart TVs y Web con Flutter, incluyendo integración con 10+ sistemas PMS y coordinación de un equipo de 6+ personas.
Desarrollador Flutter at OPTIMUS APPS LAB
December 31, 2022 - July 25, 2025Desarrollé 6+ aplicaciones multiplataforma en sectores como neobanca, turismo y logística.
Senior Flutter Developer & Tech Lead / Product Lead at Yuvod
January 1, 2025 - September 30, 2025Led development of 6+ OTT and mobile apps for Web, iOS, Android, and Smart TV (LG WebOS, Samsung Tizen). Published apps following App Store and Google Play guidelines. Implemented secure authentication flows with 2FA and encrypted APIs. Integrated PMS systems (Oracle OPERA Cloud, Cloudbeds, Mews) for personalized user experiences. Designed dashboards, onboarding flows, and customizable settings (dark mode, privacy). Improved performance by 60% on low-end devices through profiling and optimization. Built CI/CD pipelines with GitHub Actions, reducing deployment time by 40%. Coordinated a multidisciplinary team of 9+ professionals (Frontend, Backend, QA, Design).
Flutter Developer at Optimus Apps Lab
December 1, 2022 - September 30, 2025Developed 6+ cross-platform apps (iOS, Android, Web) for fintech, logistics, and tourism clients. Integrated payment gateways, biometric authentication, and real-time notifications. Built offline-first architecture for logistics and banking apps. Designed in-app support modules (FAQs, help center). Delivered apps with clean architecture, modular design, and CI/CD pipelines. Created dashboards, onboarding flows, and customizable settings.
Senior Flutter Developer & Tech Lead / Product Lead at Yuvod (Remote)
January 2, 2025 - September 30, 2025Led development of 6+ OTT and mobile apps for Web, iOS, Android, and Smart TV (LG WebOS, Samsung Tizen). Implemented secure authentication flows with 2FA and encrypted APIs. Designed dashboards, onboarding flows, and customizable settings (dark mode, privacy). Improved performance by 60% on low‑end devices through profiling and optimization. Built CI/CD pipelines with GitHub Actions, reducing deployment time by 40%. Coordinated a multidisciplinary team of 9+ professionals (Frontend, Backend, QA, Design).
Flutter Developer at Optimusa Apps Lab
December 1, 2022 - September 30, 2025Developed 6+ cross‑platform apps (Web, iOS, Android) for fintech, logistics, and tourism clients. Implemented payment gateways, biometric authentication, real‑time notifications, and offline‑first features. Created in‑app support modules, delivered polished apps following App Store guidelines, and designed offline‑first architectures.
Senior Flutter Developer & Tech Lead / Product Lead at YU VOD
January 1, 2025 - September 30, 2025Led the development and deployment of multiple cross‑platform Flutter mobile apps (iOS and Android), defined the technical roadmap, and mentored a 9‑person multidisciplinary team (Frontend, Backend, iOS, Android, QA, Design). Implemented CI/CD improvements with GitHub Actions, reducing deployment times and increasing release velocity while coordinating with remote stakeholders to align product milestones.
Flutter Developer (Freelance) at Optimusa Apps
December 2, 2022 - September 30, 2025Developed more than six cross‑platform apps for iOS and Android, implementing real‑time features, biometric authentication, and analytics dashboards. Focused on modular architecture, clean UI/UX, and robust integration with REST APIs using Flutter, Dart, and related tooling (Firebase/REST).
Senior Flutter Developer & Tech Lead / Product Lead at YuVod
January 1, 2025 - September 30, 2025Led the development of 6+ OTT and mobile apps for Web, iOS, Android, and Smart TV (LG WebOS, Samsung Tizen). Published apps following App Store and Google Play guidelines. Implemented secure authentication flows with 2FA and encrypted APIs. Integrated PMS systems (Oracle OPERA Cloud, Cloudbeds, MEWS) for personalized user experiences. Designed dashboards, onboarding flows, and customizable settings (dark mode, privacy). Improved performance by 60% on low-end devices through profiling and optimization. Built CI/CD pipelines with GitHub Actions, reducing deployment time by 40%. Coordinated a multidisciplinary team of 9+ professionals (Frontend, Backend, QA, Design).
Senior Flutter Developer & Tech Lead / Product Lead
January 1, 2025 - September 30, 2025Remote development of 6+ OTT and mobile apps for Web, iOS, Android, and Smart TV (LG WebOS, Samsung Tizen). Published apps following App Store and Google Play guidelines. Implemented secure authentication flows with 2FA and encrypted APIs. Integrated PMS systems (Oracle Opera Cloud, Cloudbeds, MEWS) for personalized user experiences. Designed dashboards, onboarding flows, and customizable settings (dark mode, privacy). Improved performance by 60% on low-end devices through profiling and optimization. Built CI/CD pipelines with GitHub Actions, reducing deployment time by 40%. Coordinated a multidisciplinary team of 9+ professionals (Frontend, Backend, QA, Design).
Flutter Developer (Freelance) at Optimus Apps Lab
December 1, 2022 - September 30, 2025Developed 6+ cross-platform apps (iOS, Android, Web) for fintech, logistics, and tourism clients. Integrated payment gateways, biometric authentication, and real-time notifications. Built offline-first features for logistics and banking apps. Designed in-app support modules (FAQs, help center). Delivered apps with clean architecture, modular design, and CI/CD automation. Coordinated with stakeholders in agile environments (Scrum).
Education
Advanced Flutter / Bloc Development at IES DaVinci, Madrid
January 1, 2004 - January 1, 2006Advanced Dart and Flutter at Udemy
April 1, 2021 - April 1, 2021Apple Expert at ASTOLanguages
January 11, 2030 - September 30, 2025Advanced Flutter & Dart at IES Da Vinci, Madrid
January 1, 2004 - January 1, 2006Advanced Flutter Development at IES Da Vinci, Madrid
January 1, 2004 - December 31, 2006Advanced Dart and Flutter at Udemy
February 1, 2024 - September 30, 2025Vocational Training in Computer Networks at IES Da Vinci, Madrid
January 1, 2004 - December 31, 2006Vocational Training in Computer Networks at IES DaVinci, Madrid
January 1, 2004 - December 31, 2006Advanced Dart and Flutter at Udemy
April 1, 2021 - September 30, 2025Advanced Flutter BLoC at Udemy
February 1, 2024 - September 30, 2025Qualifications
Dart y Flutter Certificación Avanzada
January 1, 2021 - December 31, 2021Flutter BLoC Certificación
January 1, 2024 - December 31, 2024Apple Expert
January 11, 2030 - September 30, 2025Udemy: Advanced Dart and Flutter
April 1, 2021 - September 30, 2025Advanced Flutter & Flutter BLoC Concepts
January 11, 2030 - September 30, 2025Apple Expert Certification
January 11, 2030 - September 30, 2025Advanced Flutter
February 1, 2024 - September 30, 2025Advanced Dart and Flutter – Udemy
April 1, 2021 - September 30, 2025Apple Expert
January 11, 2030 - September 30, 2025Apple Expert
January 11, 2030 - September 30, 2025Advanced Flutter BLoC
February 1, 2024 - September 30, 2025Advanced Dart and Flutter
April 1, 2021 - September 30, 2025Industry Experience
Software & Internet, Financial Services, Travel & Hospitality, Transportation & Logistics, Media & Entertainment, Professional Services
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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