Daniel Jatnieks
Core Database Software Engineer
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolDaniel Jatnieks is a seasoned core database software engineer with 13+ years focused on distributed databases and cloud database development, currently working on Cassandra and Astra at IBM after a long tenure at DataStax. He brings deep expertise in data warehousing, RDBMS design, ETL, and performance tuning across Oracle, SQL Server, MySQL and NoSQL systems, coupling architecture-level thinking with hands-on implementation. Daniel has a track record of leading complex platform projects—from a model-driven data warehouse at EMC to developer tools like DataStax Studio and DevCenter—while retaining strong low-level skills in JDBC, Java, C++ and database internals. Based in San Jose, he blends enterprise-scale system design with practical DBA automation and metadata-driven modeling approaches that reduce operational toil. His career spans startups and large enterprises and is notable for repeatedly translating diverse application models into robust, database-independent warehousing and cloud-native solutions.
13 years of coding experience
38 years of employment as a software developer
B.S. Computer Science Mathematics, B.S. Computer Science Mathematics at University of Wisconsin-MadisonM.S. Computer Science, M.S. Computer Science at Santa Clara UniversityMath Computer Science, Math Computer Science at University of Wisconsin-Eau Claire
Stackoverflow
734reputation
33kreached
24answers
3questions
cassandra
top-5%
Github Skills (27)
cassandra10
localhost10
datastax10
cloud-infrastructure10
hardware10
java10
driver10
fault-tolerance10
distributed-database10
database10
cluster-manager9
scala8
spark8
apache-spark7
test-suite7
Programming languages (4)
Github contributions (5)
datastax/cassandra-dtest
Jun 2021 - May 2026
Mirror of Distributed test suite for Apache Cassandra containing DataStax open source code. For use with the datastax/cassandra repository.
Contributions:50 reviews, 24 PRs, 48 pushes in 5 years
cassandradatastax
djatnieks/scratch
May 2017 - Dec 2019
Contributions:1 push, 1 branch in 2 years 7 months
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