Jonah Harris
CEO & Co-Founder, Making Growth Personal at NEXTGRES
Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolJonah Harris is a seasoned technology founder and CEO with 25+ years building AI/ML, database internals, and large-scale systems that power hundreds of millions of users. He founded PREDETECT (integrated into Microsoft’s Project Artemis and used by Thorn) and now leads NEXTGRES, commercializing a long-running database project born in 1999. As CTO of MariaDB and senior AI lead at Noom and The Meet Group, he drove restructurings, acquisitions, and migrations that unlocked profitability and delivered real-time, scalable recommendation and trust-and-safety systems. An international authority on PostgreSQL and founding engineer at EnterpriseDB, Jonah combines deep open-source contributions (including backend work on Redis) with strategic technical due diligence for VCs. He is notable for translating database research into production—replacing Postgres backends for near-linear scalability—and for cutting AI infrastructure costs through pragmatic architectural shifts. Based in Pennsylvania, he blends hands-on engineering with executive leadership to turn complex systems into simple, profitable products.
18 years of coding experience
21 years of employment as a software developer
Pre-Law Studies, Pre-Law Studies at New Mexico State University
English, German, French, c
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (14)
command-line10
c1710
databases10
key-value-store10
c1110
redis10
nosql10
implement10
database10
key-value10
data-structure9
algorithm9
data-structures9
algorithms9
Programming languages (12)
Github contributions (5)
redis/redis
Dec 2010 - Aug 2021
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
Role in this project:
Backend Developer
Backend DeveloperContributions:6 reviews, 5 commits, 9 PRs in 10 years 9 months
Contributions summary:Jonah primarily contributed to the backend logic of the Redis database. They implemented support for system logging, including configurations for enabling, identifying, and specifying the facility. They also added the `ZRANGESTORE` command, improved the `ZSTORE` command, and introduced commands like `SINTERCARD` and `ZINTERCARD`, which involved modifications to the core ZSET and SET implementations. The commits also show optimization efforts, particularly relating to `GEORADIUS` and `GEOSEARCH` commands and also included a fix by removing a duplicate conditional statement.
memorystreamsin-memory-databasememory-databasedata-model
jonahharris/libcuckoofilter
Feb 2016 - Oct 2021
A C library implementation of a Cuckoo Filter
Contributions:3 commits, 3 PRs, 4 pushes in 5 years 8 months
c-librarycuckoocuckoo-filterfilter
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