Arístides Guimerá Orozco

Spain

I am passionate about software development, especially in the mobile sector. I enjoy both programming and teaching programming since they are my two great passions. In addition to having worked on several of the largest apps nationwide, I am committed to creating programming content on other social network platforms.

Community Contributions

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Will AI Take Your Job? Rethinking Careers in the Tech Industry

In this talk at Madrid4Tech, I address one of the most common fears in the tech industry today: whether artificial intelligence will replace developers and other tech professionals. The session is designed to challenge assumptions, inspire critical thinking, and provide a realistic perspective on how AI is transforming careers rather than simply eliminating them. I focus on how developers can stay relevant, adapt their skill sets, and position themselves ahead of the curve in an AI-driven industry, offering practical guidance for long-term career growth in technology.

Speaking (conference/usergroups) / 11-26-2025

Mobile Development: Is It Still Worth It? (Talk at Nerdearla)

In this session at Nerdearla (The largest free-tech & open-source event in the Spanish-speaking world), I analyze whether mobile development remains a viable and compelling path for new developers. I discuss the mobile ecosystem’s current state, essential technologies to learn, common obstacles for beginners, and practical advice to start successfully. The talk is aimed at those considering entering mobile development, giving them realistic, honest insight about the opportunities and challenges.

Speaking (conference/usergroups) / 11-15-2025

Using Firebase with Flutter: Setup, Analytics, and Crashlytics from Scratch

In this first chapter of the “Firebase from Scratch with Flutter” course, I walk through the complete setup of Firebase in a Flutter project, covering both Android and iOS. The video explains how to properly configure Firebase, enable Analytics, integrate Crashlytics, and trigger a first test crash while highlighting common mistakes and verification steps. This content helps Flutter developers build a solid foundation for using Firebase professionally, ensuring their projects are correctly configured before moving on to more advanced features.

Video/Podcast / 11-06-2025

Kotlin Multiplatform: The “Thermomix” of Software Development

Biznaga Fest, the largest technology event in Málaga (Spain) In this talk at Biznaga Fest, the largest tech event in Málaga, I introduce Kotlin Multiplatform as a powerful approach to building applications for multiple platforms while sharing a single codebase. I explain how a single app can target up to six different environments, the different ways to work with KMP, its advantages and limitations, and real-world use cases. Attendees leave with the essential knowledge required to configure, compile, and run their first Kotlin Multiplatform application on the platform of their choice.

Speaking (conference/usergroups) / 10-25-2025

From AI to Open Source, Chispas Tech Meetup (Talk at InnoIT Consulting Madrid)

In this meetup talk at InnoIT Consulting Madrid, I explored how AI and open-source technologies can combine to empower software development. I discussed practical use cases for integrating AI tools with open-source workflows, the benefits and challenges of adopting open-source in AI-driven projects, and how developers can leverage both to build robust, future-proof software. The session aimed to inspire attendees to embrace open-source tools and AI responsibly, fostering collaboration and innovation.

Speaking (conference/usergroups) / 10-23-2025

GDG Madrid Presents: “Explorando Gemini Nano: Lleva la IA de Bolsillo a tu Android”

In this presentation at GDG Madrid, I explore how Gemini Nano brings powerful on-device AI to Android applications — no cloud required. I cover what Gemini Nano offers: generative AI directly on smartphones, lower latency, offline capabilities, and privacy-oriented design. The talk shows how developers can integrate Gemini Nano into their apps (using AI Edge SDK), what use-cases it enables (like on-device text generation, assistance, local inference) and discusses limitations and device compatibility.

Speaking (conference/usergroups) / 10-22-2025

Android’s New 16 KB Page Size: Why You May Need to Update Your App

In this video, I explain Android’s transition from a 4 KB to a 16 KB memory page size and how this change impacts the way apps are compiled and executed—especially when using native code with the NDK. I cover the reasoning behind Google’s decision, how to verify whether a project is affected, and the practical steps required to migrate safely. This content helps Android developers stay ahead of platform-level changes, avoid compatibility issues, and prepare their apps when working with modern Android Studio and AGP versions such as 8.5 and above.

Video/Podcast / 10-07-2025

Your Resume Is the Problem: Reviewing Junior Developer CVs and Portfolios

In this video, I analyze real CVs and portfolios from junior developers, breaking down common mistakes, strong points, and practical improvements to help candidates stand out in a competitive job market. The content focuses on what recruiters actually look for, which portfolio choices add or subtract value, and how to present skills more effectively when applying for a first developer role. This analysis aims to support early-career developers by providing actionable, honest feedback and clearer expectations about employability in today’s software development market.

Video/Podcast / 09-25-2025

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