Commit Conf 2025 in Madrid was once again an amazing experience. It’s one of Spain’s biggest tech events for developers, and this year it felt even more energetic and packed with ideas.
I went with a group of colleagues from Mimacom, which made the whole thing really fun: we swapped notes, debated talks over coffee, and came away with plenty to try out back at work. The conference happened back in April, but I didn’t rush to write this right away. Instead, I let the experience sit for a while, revisited the talks in my notes, and took the time to distil the ideas that really stuck with me. Now, some months later, I’m ready to share the insights and inspirations that stayed with me long after the event ended.
The two-day event was packed with brilliant speakers and cutting-edge topics. Here are the standout talks I attended and the key takeaways I brought back with me.
Roundup and Top Takeaways from Commit Conf 2025
Is Hexagonal Architecture Functional or Simply Fashionable?
Andrea Lluch Franconetti opened with a reality check on hexagonal architecture. Instead of treating it like a universal cure-all, she asked us to weigh it against context: team size, problem shape, and long-term goals. That perspective landed because it’s so easy to copy patterns just because they’re popular. I left thinking less about “the” architecture and more about “the right” architecture for each project.
Key Takeaway: Don’t apply architectural patterns blindly. Consider your project’s size, team structure, and long-term goals before choosing a complex setup.
Microservices Architecture
Miguel Martínez Serrano delivered a masterclass in how to build microservices that scale without chaotic outcomes. He stressed the importance of domain boundaries, observability, and keeping services genuinely autonomous. Splitting code isn’t the point – owning boundaries and reliability is. It reframed scalability from a buzzword into a discipline you can measure.
Key Takeaway: Scalability isn’t just about splitting services; it’s about maintaining autonomy, reliability, and a clear domain model.
NVDA is a Powerful Tool for Everyone
Ramón Corominas showed how NVDA, usually thought of only as a screen reader, can actually serve as a powerful development platform for Windows applications. That shift – from accessibility tool to creative platform – was one of my favorite surprises of the event.
Key Takeaway: Accessibility tools are evolving. NVDA isn’t just for testing; it’s also a creative development platform where you can do whatever’s on your mind.
From Zero to AI: Practical Integrations
Javier Ferrer and Rafa Gómez took us through practical ways to bring AI into apps, from OpenAI’s API to LangChain and no-code tools like n8n. What stood out wasn’t the speed of the demo, but how approachable the process felt. You don’t need a research lab to start, just sensible tooling and a small use case.
Key Takeaway: With the right stack, AI integration is more accessible than ever, even for teams starting from scratch.
Why TDD and Pairing are Hard but Worth It
Paola Reyes Montalvo gave one of the most honest talks of the conference. She admitted that test-driven development and pair programming are hard to adopt and slow at first, but connected, can lead to long-term wins: cleaner code, fewer regressions, and stronger collaboration. Yes, they’re hard. But yes, they’re worth it. It was an interesting talk where you can start thinking about how to introduce these two ways of working into your workflow.
Key Takeaway: Discipline today builds speed tomorrow. TDD and pairing improve code quality and long-term maintainability.
Finding Your Place in Tech
Irene M. Morgado shifted the focus from code to culture. Her talk highlighted how much it matters to find an environment that matches your values, not just your skills. Skill fit can get you hired, but culture fit is what makes you thrive.
Key Takeaway: Don’t settle for just a job. Aim for a team and culture that aligns with your personal values.
Coding with AI and GitHub Copilot, Cursor, and ChatGPT
Pedro Pardal Jimena offered a balanced perspective on AI assistants. They can accelerate you dramatically, but if you lean on them without discipline, they can multiply technical debt just as fast. His advice was straightforward: pair them with testing and clean code, not shortcuts.
Key Takeaway: Use AI assistants responsibly, always in combination with software best practices, testing, and clean code.
Figma to Production?
Jon Rojí explored what it could look like if design and development were even more tightly connected, and where changes in Figma might sync into app styles in a controlled way. It was less about fantasy and more about the possibility of shorter, more reliable bridges between designers and developers.
Key Takeaway: The bridge between design and development is narrowing, and automation is key.
Building Better Teams Through Feedback
Emmanuel Valverde and Fernando del Caz focused on the human side of tech: feedback. Using real cases, they showed how structured feedback loops aren’t just “nice-to-have", they’re critical infrastructure for growth. It reframed feedback as a system that helps both people and teams perform better.
Key Takeaway: Effective feedback isn’t just nice, it’s a strategic advantage for any tech team.
Understanding the European Accessibility Act (EAA) 2025
Carlos Espada managed to turn legislation into an engaging session by clearly explaining what the European Accessibility Act means for developers. He laid out which parts of our applications will be affected and why this is more than a compliance task, it’s a chance to make products better for everyone.
Key Takeaway: Accessibility is no longer optional. Legal compliance is coming, and it’s not just ethically correct; it's strategically beneficial.
SonJs of Anarchy
Vanessa Skw and Henar Hernandez brought some fun to the program with their “SonJs of Anarchy” session, which discussed JavaScript’s history with its simplicity and accessibility. It was a playful reminder that JS remains both approachable for beginners and rewarding for veterans.
Key Takeaway: JavaScript is simple and accessible to everyone, and allows any curious developer to create whatever they want to do in a simple way.
A Fun Exploration of Accessibility with ARIA
Mia Salazar gave an insightful overview of ARIA attributes. What I liked most was the nuance: she explained not just which attributes to use, but also when to step back and rely on semantic HTML. That balance made the talk feel very practical.
Key Takeaway: It’s not just about adding ARIA, it’s about understanding how and when to use it.
Building Better UIs with Web Components
Jorge del Casar wrapped up with a strong case for web components. He showed how they can gradually modernize a legacy project, assigning clear responsibilities without breaking what already works. The incremental approach felt both realistic and powerful.
Key Takeaway: Consider web components as a cross-framework solution to UI scalability.
Applying These Lessons, Now and In the Future
Commit Conf 2025 left me energized and inspired. From AI to accessibility, from architecture to team culture, it offered a broad and deep look at the challenges and opportunities shaping modern software development. If you're a developer in Spain or just looking for a tech event that balances code and community, make sure to catch the next edition of Commit Conf. I highly recommend you attend this Madrid tech conference.
And if you want to take a look at these talks that I recommend here, you can check the agenda and the Commit Conf YouTube channel, where you should be able to watch the talks recommended in this article.
Cristina Ponce
Cristina has contributed to national and international projects, building scalable solutions from scratch. She prioritizes code quality, clean architecture, best practices, and long-term maintainability.