Simas Joneliunas
Senior Software Engineer at Advantes
Huangpu District, Shanghai, China
Summary
👤
Senior🎓
Top SchoolSimas Joneliunas is a senior software engineer with 11 years of experience building data-driven systems across Microsoft, Alibaba, and startup environments, currently focused on search and analytics in Shanghai. He has led large-scale migrations to microservices and designed multi-tenant Spark/Synapse ETL frameworks that improved data freshness by over 20x and enabled realtime analytics for Office 365 customers. Comfortable across backend, data and ML stacks, Simas has shipped high-throughput, multi-petabyte pipelines and recommendation systems with strict latency and availability SLAs. His background spans e-commerce, B2B products and financial AI, and he retains a startup mindset—owning end-to-end architecture and ops while mentoring teams through NLP workshops and process improvements. Unusually for an engineer at his level, he also holds a PhD in measurement engineering and has hands-on experience translating technical research into production features that measurably boost engagement and revenue.
11 years of coding experience
9 years of employment as a software developer
Doctor of Philosophy (PhD) of measurement engineering Synchronization and energy consumption problems of the wireless sensor networks, Doctor of Philosophy (PhD) of measurement engineering Synchronization and energy consumption problems of the wireless sensor networks at Kaunas University of Technology, faculty of Telecommunication and ElectronicsEngineer of computer sciences Computer system design programmingoperating systems UML, Engineer of computer sciences Computer system design programmingoperating systems UML at Kaunas University of Technology, Department of Computer Engineering
English, Lithuanian, Japanese, Russian, Chinese
Github Skills (102)
data-warehouse10
data-lineage10
data-integrity10
data-quality10
yii2-extension9
big-data9
language-server-protocol9
theia9
tanstack-table9
data-pipeline9
eclipse9
data-governance9
ide9
graphql-java9
java9
Programming languages (6)
Github contributions (5)
vilkazz/theia-python-debug
Jan 2019 - May 2019
Contributions:26 commits, 24 pushes, 1 branch in 4 months
vilkazz/spring-gqlfederation-example
Nov 2020 - Nov 2022
Contributions:38 commits, 34 pushes in 1 year 11 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.