Gustavo Efeiche
Founding Team at Opereit
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolGustavo Efeiche is an engineering leader with 11 years of experience building distributed systems, fintech platforms and applied-AI tooling from Brazil to Spain. He led engineering at Belvo to become a market-leading Open Finance payments provider in Brazil, architecting a 30+ microservice, event-driven payments platform handling 4M+ monthly transactions with 99.9% SLA and driving over $200M in annualized TPV. Previously he built high-throughput reconciliation and escrow systems at Bitso and EGRECCO, enabling rapid product launches and processing millions of transactions reliably. Gustavo combines hands-on system design (Java, Go, Python, Kafka) with regulatory and security delivery—leading AML/transaction monitoring, ISO 27001 and PCI-DSS audit success. He has a track record of cutting costs and time-to-market (20% compute savings, 60% faster GTM) while scaling distributed teams and careers across time zones. Now on a founding team in stealth from Barcelona, he blends operator-level execution with product-minded technical strategy.
11 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS, Computer Engineering, Bachelor of Science - BS, Computer Engineering at Insper Instituto de Ensino e Pesquisa
Stackoverflow
3reputation
790reached
1answer
1question
Github Skills (51)
notebook10
hugo10
selenium10
jupyter10
aws-lambda10
azure-functions10
jupyter-notebook10
testing9
rio9
ipython9
mocking9
aws9
serverless-framework9
lambda9
cloud-services9
Programming languages (8)
Github contributions (5)
effeix/PascalSimplifiedCompiler
Feb 2018 - May 2018
Contributions:158 commits, 24 PRs, 74 pushes in 3 months
pascalpythonpascal-languagesimplifiedcompiler
lpsoares/Elementos-de-Sistemas-2016
Feb 2016 - May 2016
Contributions:62 PRs, 127 pushes, 44 branches in 3 months
elementosrioquesistemasjava
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