A path from São Paulo to Basel
Twenty years of building systems where a bug is someone's money — across Brazil, Spain, and Switzerland. Follow the route. Each landmark adds to the story.
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São Paulo
FATEC, first banking delivery, IBM innovation lab, Importa Brasil.
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FATEC Sorocaba
Systems Analysis & Information Technology — the tecnólogo degree that opened the door to a career building production software, not slide decks.
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GFT Technologies
First professional chapter in banking delivery — rich internet applications for international clients, then mobile SDKs and an internal app store.
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Importa Brasil
Sole owner and developer of an online bulletin board for people importing goods from Brazil — 65,000+ members and ~4,000 daily visits at peak.
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IBM Innovation Lab
Java Technical Lead in IBM's innovation lab — built an internal product to detect and prevent leakage of confidential information, from prototype to production.
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Spain
GFT architecture, N26, side projects, international stages.
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GFT — Architect & Tech Lead
Led architecture and delivery on platform projects inside international retail and investment banks — microservices, cloud migration, internal tooling for delivery teams.
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Notastica
Automated receipt submission for Brazilian non-profits collecting tax donations — 45 seconds per receipt down to 3. 20+ non-profits, 1.8M receipts, more than R$1M raised.
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Crochet.land
Flutter app built and maintained solo — 100k+ downloads, ~18k monthly active users, 4.9 rating. Shipped while leading teams at N26.
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TEDxLleida
AI Is Not the World of Movies, It's Already Reality — first major stage talk, rooted in the Lleida tech community before Barcelona.
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N26
Four years at Europe's most-funded neobank — fee platform embedded in ledger APIs, then Principal Engineer rebuilding fraud prevention on Apache Flink in under six months.
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N26 Tech Meetup Berlin
Hosted a Berlin engineering meetup on N26's Kotlin microservices, Kubernetes migration, and event-driven architecture — the talk that became the InsideN26 stack article.
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N26 Career Journeys Panel
Panel at N26 Barcelona on non-traditional paths into software engineering — career transitions, mentorship, and growing into technical leadership.
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Kafka Summit London
Eliminating the Double Write Problem in Apache Kafka Using the Outbox Pattern — from N26's event-driven architecture work.
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KotlinConf Copenhagen
From Code to Streams: A Kotlin Odyssey with Apache Flink — the fraud-prevention streaming rebuild that defined the N26 Principal Engineer chapter.
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DevBCN Barcelona
The Journey to Becoming a Staff Software Engineer — career arc talk on the Barcelona stage, same year as KotlinConf and WeAreDevelopers.
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WeAreDevelopers World Congress
Session at one of the largest developer conferences in the world — engineering at scale from the trenches of European fintech and energy tech.
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JavaCro
Session on modern backend architecture and distributed systems in the JVM ecosystem — Central Europe's leading Java conference on the Adriatic coast.
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Personio
Principal Engineer at one of Europe's leading HR tech companies during a critical growth phase — platform direction, engineering standards, cross-team technical authority.
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Switzerland
Co-founding Upgrid — energy infrastructure with a fintech correctness bar.
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Upgrid — Co-founder & CTO
Co-founded Upgrid and built the platform from the first commit — SDAT ingestion, allocation, Swiss QR-bill billing, operator workflows. 2k+ members, 250+ communities, 150+ municipalities.