Sebastián García
Senior Software Engineer at SumUp
Argentina
Summary
👤
Senior🎓
Top SchoolSebastián García is a Senior Software Engineer from Argentina with 10+ years building end-to-end systems across payments, POS hardware, mobile apps and web platforms. He blends backend architecture expertise with hands-on Android and cross-platform mobile development, having implemented low-level solutions such as MagTek card reader firmware updates and payment integrations. His work spans startups and enterprise environments—co-founding a consulting firm, modernizing university systems, and contributing to Fivestars’ product suite that led to acquisition by SumUp. Comfortable in distributed teams, he mentors engineers and jumps into any layer of the stack to ship reliable products. He has a practical, product-first mindset informed by a Computer Engineering degree and diverse projects from GIS government systems to large-scale merchant payment platforms. Sebastián’s not-obvious strength is translating hardware constraints into robust software workflows, bridging devices and cloud services for seamless customer experiences.
10 years of coding experience
11 years of employment as a software developer
Ingeniero en Informática Information Technology, Ingeniero en Informática Information Technology at Universidad Católica de Salta
English
Stackoverflow
63reputation
8kreached
2answers
3questions
Github Skills (75)
mongoose9
twitter8
monitoring8
logout8
dashboard8
facebook8
typegraphql8
cas8
mysql8
elasticsearch7
nestjs-graphql7
mercadopago7
jwt7
authentication7
crud7
Programming languages (5)
Github contributions (5)
sebargarcia/testpac4j
Jan 2017 - Aug 2018
Contributions:4 pushes, 3 branches in 1 year 7 months
sebargarcia/node-ts-starter
Jan 2021 - Jan 2021
Contributions:5 commits, 1 PR, 4 pushes in 1 day
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