Gustavo Freze
Senior Software Engineer at Visa
Paraná, Brazil
Summary
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Rockstar🎓
Top SchoolGustavo Freze is a Senior Software Engineer from Paraná, Brazil, with nine years of experience building scalable, auditable financial systems for payments and banking. He has led design and maintenance of regulatory reporting pipelines at Visa, cutting report generation time by 60% and improving audit traceability through event-driven microservices. Previously at PagSeguro and Gazin Tech he refactored monoliths into DDD-based distributed services, boosting throughput and reducing bugs while delivering payment gateways, credit systems and facial-recognition features that drove measurable revenue and customer improvements. Gustavo combines backend expertise in PHP, Kotlin and Python with strong observability and automated-testing practices that reduced incidents by nearly half. He pairs pragmatic engineering with domain-focused architecture for high-availability, compliance-sensitive platforms—often surfacing non-obvious gains by automating auditability and traceability across complex payment flows.
9 years of coding experience
6 years of employment as a software developer
Bachelor’s degree in information system, Computer Software Engineering, Bachelor’s degree in information system, Computer Software Engineering at Unipar - Universidade ParanaenseUnicesumar
English, Portuguese
Stackoverflow
101reputation
0reached
0answers
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Github Skills (126)
brasil10
uuid10
backend10
quest10
rio10
kotlin-multiplatform10
unique-id10
collections10
kotlin10
explore10
ksuid10
que10
brazil9
lambda9
unique-identifier9
Programming languages (6)
Github contributions (5)
tiny-blocks/country
Jul 2022 - Jan 2025
Value Object representing a country using ISO-3166 specifications.
Contributions:8 releases, 33 PRs, 19 pushes in 2 years 5 months
isoiso-3166specificationsvalue-objectiso3166
tiny-blocks/ksuid
Jun 2023 - Jan 2025
K-Sortable Unique Identifier.
Contributions:8 releases, 34 PRs, 21 pushes in 1 year 7 months
identifierk-sortableksuidphptiny-blocks
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