Eli Pozniansky
Staff Software Engineer- Core Storage at Uber
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolEli Pozniansky is a Staff Software Engineer specializing in core storage and distributed systems with two decades of experience spanning firmware, real-time embedded software, and cloud services. He has driven high-impact projects at Uber, Facebook, Box, and Microsoft, combining systems-level coding in C/C++ with large-scale services in Golang and Java. Eli’s work on performance-critical storage—illustrated by contributions to the widely used RocksDB project—reflects a focus on low-latency I/O, cache optimization, and pragmatic engineering trade-offs. He has built and led cross-functional, often distributed teams, instituting CI, test automation, and delivery practices that align engineering output with customer schedules. Comfortable in both kernel and cloud stacks, Eli uniquely bridges networking, BGP/VPN gateway design and storage internals, making him effective at solving end-to-end platform bottlenecks. Based in the Bay Area with MSc and MBA credentials from Technion, he blends deep technical craftsmanship with product and process leadership.
11 years of coding experience
17 years of employment as a software developer
Bsc, Computer Science, Bsc, Computer Science at Technion-Machon Technologi Le' Israel
Russian, Hebrew, English
Github Skills (11)
databases10
caching10
storage-engine10
c-language10
cprogramming-language10
performance-optimization10
database10
data-structure9
algorithm9
data-structures9
algorithms9
Programming languages (5)
Github contributions (5)
facebook/rocksdb
Jul 2019 - Aug 2019
A library that provides an embeddable, persistent key-value store for fast storage.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 16 PRs, 36 comments in 1 month
Contributions summary:Eli primarily focused on improving the RocksDB library's performance and efficiency through several code changes. These included fixing C-style casting issues and formatting fixes in the `db_bench_tool.cc` file. The user also added support for sequential read-ahead file functionality, which can prefetch data to improve read performance. Furthermore, the user implemented optimizations in the LRU cache and approximate size calculation, making significant contributions to the core functionality of the database.
persistent-storagebigtablefast-storagelsm-treedatabase
elipoz/rocksdb
Jul 2019 - Aug 2019
A library that provides an embeddable, persistent key-value store for fast storage.
Contributions:65 pushes, 13 branches in 1 month
persistent-storagelmdbnosql-databasedatastoreleveldb
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.