Moti Cohen
Principal SW Engineer at Redis
Israel
Summary
🤩
Rockstar🎓
Top SchoolMoti Cohen is a Principal Software Engineer based in Israel with over 8 years of professional experience and a deeper engineering career spanning embedded, driver, firmware, security, and distributed systems roles. Currently at Redis, he contributes to one of the most widely used in-memory databases, focusing on Sentinel stability, memory allocation optimizations, and resilience around reconnections and timeouts. His background includes security software at CyberArk, WiFi driver development at Intel, and storage firmware at Broadcom, giving him a rare blend of low-level systems expertise and large-scale back-end reliability work. A Cum Laude MSc and BSc in Computer Science from Ben-Gurion University underpin his analytical approach to tough debugging and performance problems. Colleagues describe him as a pragmatic refactorer who finds subtle fixes that prevent outages rather than flashy features, and his open-source fixes have improved Redis Sentinel’s robustness in real-world deployments.
9 years of coding experience
17 years of employment as a software developer
Master of Science (MSc), Computer Science, 94 (Cum Laude), Master of Science (MSc), Computer Science, 94 (Cum Laude) at Ben-Gurion University of the Negev
Hebrew, English
Github Skills (19)
redis10
memory-management10
databases10
c1110
c1710
sentinel10
database10
networking9
automations8
hashtable8
memory-cache8
object-cache8
web-cache8
disk-cache8
automation8
Programming languages (7)
Github contributions (5)
redis/redis
Jan 2022 - Dec 2022
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:417 reviews, 23 commits, 143 PRs in 10 months
Contributions summary:Moti primarily contributed to the Redis codebase, focusing on enhancements to the Sentinel functionality. Their work included fixing issues related to hostname resolution, resolving free-after-use issues, and addressing reconnection problems after password changes, all of which improved Sentinel's stability. They also worked on various bug fixes, code refactoring and performance improvements, including making improvements to the handling of timeouts. Furthermore, the user has shown contributions in areas such as the optimization of memory allocation within the codebase.
data-structurequery-engineredisdatabasekey-value
moticless/push-to-librdb
May 2023 - Jul 2026
Contributions:1 review, 195 pushes, 107 branches in 3 years 2 months
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