Marcos Eliziario Santos
Software Engineer, Sr. - Data AI Ops
Rio de Janeiro, Brazil
Summary
🤩
Rockstar🎓
Top SchoolMarcos Eliziario Santos is a senior software engineer with over two decades of experience and a strong focus on backend, performance optimization and DevOps, currently shaping Data/AI/Ops at Presence and formerly driving reliability at Venmo. He is a pragmatic polyglot—fluent in Python, JavaScript, Java, Ruby and C#—who excels at migrating legacy systems, building asynchronous APIs and squeezing dramatic performance gains from data layers. His fintech and e-commerce background includes leading large refactors that cut multi-minute processes to seconds and architecting cloud-native, containerized deployments. A contributor to the prominent open-source project Airbyte, he has improved connector robustness and OAuth backends for real-world ETL pipelines. Comfortable as an individual contributor, tech lead or architect, he blends hands-on coding with mentoring and process improvements to raise team maturity. Based in Rio de Janeiro, he pairs a lifelong curiosity for new paradigms with a track record of delivering simple, elegant solutions for complex business problems.
11 years of coding experience
25 years of employment as a software developer
Bachelor Economics, Bachelor Economics at UERJPDG - Programa de Desenvolvimento Gerencial, PDG - Programa de Desenvolvimento Gerencial at Fundação Dom Cabral
English
Github Skills (12)
javas10
oauth10
airbyte10
java10
data-integration9
python9
data-engineering9
api8
etl8
apidoc8
mysql5
postgresql5
Programming languages (8)
Github contributions (5)
airbytehq/airbyte
Sep 2021 - Jan 2022
The leading data integration platform for ETL / ELT data pipelines from APIs, databases & files to data warehouses, data lakes & data lakehouses. Both self-hosted and Cloud-hosted.
Role in this project:
Backend Developer
Backend DeveloperContributions:36 reviews, 15 commits, 26 PRs in 4 months
Contributions summary:Marcos contributed to the Airbyte project by addressing config validation failures and refining the logging of these failures. They also worked on adding parameters to the Source Stripe connector for incremental updates, specifically introducing a lookback window. Furthermore, the user refactored the Java OAuth backend, and added support for Hubspot OAuth.
operationpythondataintegration-platformdata-warehouse
eliziario/django-polymorphic
Apr 2020 - Sep 2024
Improved Django model inheritance with automatic downcasting
Contributions:2 PRs, 4 pushes, 1 branch in 4 years 5 months
pythonimproveddjangodjango-modelinheritance
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