Thiago Pappacena
Principal Engineer at LandingAI
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolThiago Pappacena is a seasoned software leader and founder with over 20 years building production systems and 11 years in senior engineering roles, currently co-founding ReOpenly in Rio de Janeiro. He blends hands-on backend expertise (Python, Java, C++, distributed systems) with product and team leadership, having managed 20+ engineers and scaled real-time backends for hundreds of thousands of simultaneous users. His recent work at LandingAI delivered end-to-end ML products—automated CV model training and high-throughput inference deployments—across cloud, VPC, on-prem and Snowflake environments with strong observability and autoscaling. Prior roles include architecting low-latency multiplayer infrastructure at Zwift and maintaining critical open-source build systems at Canonical for Ubuntu’s package ecosystem. An active contributor to Twisted, he values code quality and consistency, and often favors simple, pragmatic architectures that withstand heavy load. He combines entrepreneurial grit with deep operational experience in performance, reliability and ML-infused production systems.
11 years of coding experience
21 years of employment as a software developer
Master of Business Administration (MBA) Business Administration and Management General, Master of Business Administration (MBA) Business Administration and Management General at IbmecPontifical Catholic University of Rio de JaneiroEstácio de Sá University
English, Portuguese, Italian
Stackoverflow
326reputation
12kreached
15answers
0questions
Github Skills (12)
twisted10
python10
ssh10
network-programming8
async7
event-driven7
asynchronous6
iterable6
forloop6
loops6
fileio6
django6
Programming languages (10)
Github contributions (5)
twisted/twisted
Feb 2020 - Oct 2020
Event-driven networking engine written in Python.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 2 PRs, 5 comments in 8 months
Contributions summary:Thiago primarily contributed to the Twisted project by fixing bugs, improving code style, and updating the codebase. They addressed an issue with environment variable settings in SSH sessions, corrected an old-style super call, and updated an example to match the new `SetEnv` interface. They also added a missing entry to an `__all__` list, likely to improve code clarity and usability. Further, the user utilized the `black` formatter to refactor existing code and maintain code consistency.
pythonxmppevent-drivenasyncimap
ureactme/android-tracker
Dec 2015 - Mar 2017
Contributions:52 commits, 18 PRs, 44 pushes in 1 year 3 months
reactuser-behaviortracker
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