Andriy Onyshchuk
Sr. Big Data Engineer
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolAndriy Onyshchuk is a senior Big Data engineer based in San Francisco with nearly 20 years of hands-on software development experience and 11 years focused on large-scale data and backend systems. He combines deep JVM expertise—Scala and Java—with practical experience in Akka, Netty, Spark/Hadoop, Kafka, and a broad messaging and NoSQL ecosystem, shaping resilient, high-throughput platforms at Apple, Grid Dynamics, and financial and gaming clients. Comfortable across the stack, he has modernized legacy systems, led platform refactors toward actor-based concurrency, and built bespoke high-performance integration layers for ERP and logistics products. Beyond production Java/Scala work he explores systems languages (Go, Rust, Erlang) and functional ideas, reflecting a continual drive to adopt efficient, concurrent architectures. Notably, his career blends hands-on coding, system design, and database administration, making him equally effective shipping features and tuning platform performance.
11 years of coding experience
23 years of employment as a software developer
M.Sc, Economic Science, M.Sc, Economic Science at Kherson National Technical University
English
Stackoverflow
91reputation
380reached
2answers
1question
Github Skills (76)
pkl10
json-schema10
websocket10
validation10
yaml10
websocket-client10
json10
serializer10
java10
scala10
kotlin10
configuration-as-code10
xml10
akka9
typesafe-config9
Programming languages (5)
Github contributions (5)
andyglow/simple-java-json-parser
Nov 2017 - Oct 2022
Simple Java JSON Parser
Contributions:1 PR, 8 pushes, 1 branch in 5 years
java-jsonparserjavajson
andyglow/scala-jsonschema
Aug 2017 - Jul 2022
Scala JSON Schema
Contributions:4 releases, 20 reviews, 94 commits in 4 years 11 months
json-schemascala
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.