Oscar Neira

Principal Software Engineer

From frying potatoes in Mexico to building software systems across Europe — this is my story.I’m Oscar Neira — engineer, storyteller, and speaker. I turn challenges into code and help others see what’s possible when you grow with purpose.Explore the journey, join the movement, or just say hi 👋

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Work

Over the years, I’ve built scalable backend systems, led teams across time zones, and helped modernize legacy code into future-ready platforms.I specialize in resilient architectures, observability, and open source tools — with hands-on experience in Java, Kubernetes, Cassandra, and more.From tech talks to production pipelines, my work bridges deep technical knowledge with a passion for teaching and community impact.🚀 Currently: Principal Software Engineer in Finland — mentoring teams, designing scalable systems, and speaking on topics that matter.

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About Me

I’m Oscar Neira — an engineer, storyteller, and speaker.
I didn’t take the traditional path. I carved my own.From a small business selling snacks, to running a neighborhood internet café, to building distributed systems across Europe — every chapter of my life has been driven by curiosity, resilience, and the power of open source.A scholarship took me from Mexico to Finland, flipping my world upside down and showing me what was possible with the right support and mindset. Since then, I’ve been building resilient software, mentoring developers, and speaking at events about the paths less traveled.I believe in starting small, dreaming big, and always helping others along the way.✨ Want to know where the name From Potatoes to Programs comes from?
Let’s just say it started with a fryer, some potatoes, and a dream.
Download the mini-book: From Potatoes to Programs (PDF)

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