Demiam De Oliveira Fonseca
Solution Architect at ThinkSkink SA de CV
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolDemiam De Oliveira Fonseca is a Solution Architect with 11 years of hands-on software and telecom experience, blending deep C and Java development skills with Oracle database specialization. He has led backend teams and built resilient financial and BSS integrations across Latin America, driving migrations, cutovers and post-cutover support for major carriers. Comfortable from code maintenance to customer-facing crisis management, he’s a specialist in provisioning and customer care modules with proven on-site delivery in Brazil, Chile, Mexico, Peru, Colombia and the USA. His background spans startups and global vendors—from building BTCJam’s wallet-ledger systems to architecting BSS tools at ThinkSkink—demonstrating both product focus and operational rigor. Multicultural and multilingual experience fuels his strong communication style and ability to translate complex technical requirements into practical solutions. He often pairs low-level systems knowledge with pragmatic automation to reduce operational risk during high-stakes migrations.
11 years of coding experience
8 years of employment as a software developer
Graduation, Computer Science, Graduation, Computer Science at Universidade Estadual Paulista Júlio de Mesquita Filho
Portuguese, English, Spanish, German
Github Skills (14)
graph8
bubble8
java8
android7
mpandroidchart7
panning7
kotlin7
scaling5
charts5
linux4
api4
macos3
oauth3
oauth-client2
Programming languages (1)
Github contributions (5)
btcjam/btcjam-client
Aug 2014 - Sep 2015
Contributions:10 commits in 1 year
apidemo-projectoauth-clientoauth2oauth-api
ValveSoftware/Dota-2
May 2016 - Dec 2016
Tracker for issues specific to Linux and Mac in the Reborn client. If you have a general issue or non-system-specific feature request please go to dev.dota2.com
Contributions:3 comments, 1 issue in 7 months
feature-requesttrackerdevdota2linux
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