Idel Pivnitskiy
Software Engineer at Apple
San Francisco, California, United States
Summary
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Rockstar🎓
Top SchoolIdel Pivnitskiy is a seasoned software engineer with 12 years of experience building high-performance, JVM-based network frameworks and cloud services from San Francisco. At Apple he contributes to ServiceTalk and Netty, optimizing gRPC/HTTP2 handling and implementing compression codecs that improve throughput and reliability at massive scale. His background spans data science and ML at Cisco—where he improved indoor location accuracy by 40% and sped a packet parser 22x—through to hands-on system and API design in startups and open-source projects. An active open-source contributor, he has implemented and optimized codecs and protocol handling for widely used projects like Netty and ServiceTalk, with attention to preventing memory leaks and improving error handling. He pairs deep systems-level expertise with a strong academic foundation in computer science and big data systems, and he’s known for pragmatic refactors that boost performance and observability. Notably, his work often touches subtle, low-level correctness and efficiency improvements that yield outsized production benefits.
12 years of coding experience
4 years of employment as a software developer
Master's degree Big Data Systems, Master's degree Big Data Systems at Higher School of EconomicsDevelopment of Web-Applications, Development of Web-Applications at HeadHunter School of DevelopersMaster's degree Computer Science, Master's degree Computer Science at National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian, English
Stackoverflow
1,057reputation
183kreached
8answers
3questions
jupyter-notebook
top-5%
tensorflow
top-5%
Github Skills (35)
json10
api-rest10
bzip10
netty10
restful-api10
http10
lzma10
java10
bytebuffer10
javas10
bytecode10
byte-array10
rest-api10
api-design9
testing9
Programming languages (6)
Github contributions (5)
apple/servicetalk
Mar 2018 - Jan 2023
A networking framework that evolves with your application
Role in this project:
Back-end Developer
Back-end DeveloperContributions:46 releases, 2450 reviews, 1403 commits in 4 years 11 months
Contributions summary:Idel appears to be a back-end developer who primarily contributed to improving the performance, reliability, and correctness of the gRPC and HTTP/2 handling within the project. They addressed issues related to connection handling, including connection closures, and optimized the processing of HTTP/2 frames to improve overall performance. Furthermore, they fixed problems with error handling for the HTTP/2 messages to prevent memory leaks and improve the user experience.
rpcgrpchttp2frameworkreactive-streams
netty/netty
Mar 2014 - Nov 2022
Netty project - an event-driven asynchronous network application framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:278 reviews, 108 commits, 57 PRs in 8 years 9 months
Contributions summary:Idel's contributions primarily involved enhancing the Netty project by implementing and improving compression codecs. Their work included implementing the Bzip2Decoder, LZFDecoder, and LzmaFrameEncoder and integrating them with the existing Netty framework. The user also made several optimizations and refactorings within the compression codecs, including fixing potential bugs and improving the efficiency of bit-level read/write operations.
asynchronousasynchronous-networknionettyapplication-framework
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