javier ramírez
Developer Advocate
Madrid, Community of Madrid, Spain
Summary
🤩
RockstarJavier Ramirez is a Developer Advocate and Developer Relations Lead at QuestDB with 20+ years in IT and a deep focus on cloud architecture and big data. He is an ex-AWS Senior Developer Advocate, former Google Developer Expert and GCP Authorized Trainer, and holds Google Cloud Architect and Data Engineer certifications used to guide complex migrations for large enterprises. At QuestDB he contributes directly to the core time-series engine—adding SQL functions and millisecond/microsecond support—while building the community and developer enablement programs. He has delivered training and talks to companies like Google, Cisco, HSBC and HomeDepot, spoken at 60+ conferences across 15 countries, and taught at university masters programs. A three-time co-founder fluent in Python, Ruby and Java, he blends startup mentality with hands-on engineering across SQL, NoSQL, graph, in-memory and streaming systems.
17 years of coding experience
Stackoverflow
3,894reputation
186kreached
147answers
19questions
memcached
top-5%
redis
top-5%
amazon-web-services
top-5%
google-bigquery
top-5%
database
top-5%
architecture
top-5%
Github Skills (22)
databases10
java10
javas10
time-series-database10
sql10
database10
architecture9
testing9
redis9
google-bigquery9
amazon-web-services9
memcached9
aws-data-pipeline6
questdb6
aws-step-functions6
Programming languages (15)
Github contributions (5)
questdb/questdb
Mar 2022 - Feb 2025
QuestDB is a high performance, open-source, time-series database
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:26 reviews, 8 PRs, 19 pushes in 3 years
Contributions summary:Javier contributed to the QuestDB project by implementing new SQL functions, specifically `pg_catalog.version()` and `nullif(long, long)`. Their work involved modifying existing Java code within the core modules, including the addition of new classes, interfaces, and test cases. Furthermore, they added support for milliseconds and microseconds to `datediff` and `dateadd` SQL functions, indicating a focus on enhancing the database's time-series capabilities.
simdfinancial-analysisgrafanatime-seriestsdb
javier/javier.github.io
Apr 2018 - Feb 2024
Contributions:17 pushes in 5 years 10 months
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