Carlos Sessa
Independent Consultant at Self-employed
Somerville, Massachusetts, United States
Summary
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Rockstar🎓
Top SchoolCarlos Sessa is an independent consultant and seasoned software engineer with 18 years of experience building mobile, backend, and testing systems from startups to large platforms. He has led Android engineering teams at Fitbit and Groupon and served as a principal engineer at Expedia, later transitioning to independent consulting out of Somerville, MA. A prolific open-source contributor, Carlos has worked on high-profile projects including Yearn Finance vault smart contracts, the Robolectric Android testing framework, and the cross-platform Cocos2d-x engine, demonstrating fluency across mobile, backend, and blockchain codebases. His work blends hands-on implementation—adding features, tests, and platform integrations—with a history of shipping reliable test automation and tooling like Flank. Carlos holds an engineering degree from ITBA and completed an executive MBA through Quantic, pairing technical depth with product and business-oriented thinking. Colleagues describe him as a pragmatic engineer who navigates complex legacy systems while quickly delivering secure, well-tested improvements.
18 years of coding experience
12 years of employment as a software developer
Executive Master of Business Administration - MBA, Executive Master of Business Administration - MBA at Quantic School of Business and TechnologySoftware Engineer, Software Engineer at Instituto Tecnológico de Buenos AiresPerito Mercantil con especialización Contable e Impositiva, High school, Perito Mercantil con especialización Contable e Impositiva, High school at Santa Brigida
Spanish, English
Stackoverflow
92,457reputation
14.8mreached
694answers
111questions
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Github Skills (71)
python10
testing10
websocket10
bitcoins10
javas10
junit10
websockets-client10
coco10
cplus10
smart-contracts10
cpp10
game-development10
client-websocket10
camera10
androidmanifest10
Programming languages (20)
Github contributions (5)
Macarse/50AH-code
Sep 2012 - Dec 2020
50 Android Hacks book source code
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:1 review, 65 commits, 2 PRs in 8 years 4 months
Contributions summary:Carlos contributed source code for an Android application, specifically the source code for the "50 Android Hacks" book. The commits demonstrate implementation of various Android features, including UI elements, handling user input with touch events, and utilizing Android APIs. Specific commits address features such as creating a list of countries, implementing a text switcher, and integrating map functionality.
kotlinjavaandroid
yearn/yearn-vaults
Oct 2020 - Jan 2021
Yearn Vault smart contracts
Role in this project:Back-end Developer / Smart Contract Engineer
Back-end Developer / Smart Contract EngineerContributions:64 reviews, 19 commits, 27 PRs in 2 months
Contributions summary:Carlos primarily contributed to the testing and development of smart contracts within the Yearn Vaults repository. They focused on implementing new tests, including those for withdrawal functionalities, deposit mechanisms, and strategy interactions. The user also modified existing contracts, and implemented new features, such as depositAll, and improving existing logic. Their contributions are geared towards enhancing the functionality, security, and testing of the Yearn Vault smart contracts.
ethereum-contractyearnyearn-financeethereumblockchain
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