Antanas Sinica
Developer Of . at Šmaktelis
Vilnius, Vilnius County, Lithuania
Summary
👤
Senior🎓
Top SchoolAntanas Sinica is a seasoned developer with 15 years of experience building everything from single-page websites to high-throughput payment and ledger systems. He blends hands-on engineering with technical leadership—having led teams and architecture efforts at Swedbank and scaled core systems as a Staff Engineer at Blockchain.com. Comfortable across Java/Spring Boot, cloud deployments, and microservices, he has a track record of shipping resilient production services and introducing developer tooling and processes. A lifelong freelancer and entrepreneur, he started building professionally in high school and is currently growing a project toward sustainable business. Known as a "RESTless thinker," he pairs practical problem-solving with curiosity, exemplified by implementing CI/CD and automated testing at CERN. Based in Vilnius, he brings deep experience in financial systems, integrations, and operational support under variable loads.
15 years of coding experience
11 years of employment as a software developer
Salomėjos Neries gimnazijaBachelor's degree, Computer Software Engineering, Bachelor's degree, Computer Software Engineering at Vilniaus Universitetas
English, Lithuanian
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (47)
wsdl9
soap9
soap-client9
nestjs8
javascript8
nodejs8
sveltekit8
svelte7
google-photos7
photo7
backup7
typescript7
photo-gallery7
3d-printer7
python7
Programming languages (7)
Github contributions (5)
OrangGeeGee/LM-App
Jun 2011 - Jun 2011
Contributions:34 commits in 8 days
OrangGeeGee/homepage
Mar 2016 - Jan 2026
Contributions:14 pushes, 1 branch in 9 years 11 months
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