Acerca de Antonio
Español
Bilingüe o nativo
Inglés
Competencia profesional completa
Experiencia
- FreelanceSoftware Engineermayo de 2022 - Hoy (4 años y 3 meses)Jaen, SpainWorked across multiple parallel client and personal projects as sole technicallead — mobile, backend, and AI — owning the full cycle from architecture to production.Core pattern across all engagements: one engineer covering the complete stack. Flutter and React Native for iOS and Android, backend in Laravel or Node.js, web front-end in React or Astro. No handoffs, no subcontractors.Fractional CTO work for early-stage startups: architecture decisions, stack evaluation, trade-off analysis, and technical roadmap alongside non-technical founders. Ongoing advisory role in production AI systems for a startup with active users.AI integration since 2024 — production work, not experiments:· RAG pipeline with LLM in production (retrieval, caching, context management)· On-device AI inference in a mobile app — no cloud API, fully private· Autonomous multi-agent pipeline for monitoring and structured delivery8+ apps shipped across health, real estate, education, and sustainability —each from first architecture decision to App Store and Google Play.
- Rosita Longevity (Hearts Radiant)Product EngineerEDUCACIÓN & E-LEARNINGmarzo de 2022 - junio de 2023 (1 año y 3 meses)Valencia, Spain
- Architected and implemented robust mobile app designs to deliver exceptional user experiences.
- Took ownership of implementing new features, leading successful outcomes.
- Implemented a comprehensive end-to-end testing suite, covering critical user flows, to ensure the app's stability and reliability across different devices and platforms.
- Mentored and supported junior developers, enabling them to make meaningful contributions to the team's productivity.
- Signa Sports UnitedSoftware EngineerE-COMMERCEseptiembre de 2020 - diciembre de 2021 (1 año y 3 meses)Barcelona, España
- Redesigned and implemented robust mobile apps for optimal user experiences, driving high engagement and retention rates.
- Led the implementation of new features, delivering successful outcomes on time and within budget.
- Introduced a testing layer and optimization techniques to identify and resolve bottlenecks, resulting in improved app responsiveness and reduced loading times.
- Mentored and coached junior developers to cultivate a strong team culture, resulting in improved productivity and quality standards.
Recomendaciones
Sé el primero en recomendar a Antonio
Ayuda a este freelance a destacar compartiendo tu experiencia.
Estos perfiles de freelance también coinciden con tus criterios
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4