John Beresniewicz
Architect, Enterprise Observability And Management at Oracle
Summer Village of Half Moon Bay, Alberta, United States
Summary
👤
Senior🎓
Top SchoolJohn Beresniewicz is an enterprise observability and Oracle performance architect with over 20 years of experience designing product features and data architectures for Enterprise Manager and Oracle Cloud. He combines hands-on expertise in Oracle SQL/PLSQL, performance analytics, data visualization and UX design with a history of interfacing effectively with database engineers, customers, and senior executives. A co-founder of Savant Corporation and former technology manager and consultant at Oracle and Teradata Labs, he brings both startup grit and enterprise product discipline. He holds multiple patents and has co-authored two software engineering books, showing a sustained focus on workload analytics, SQL injection detection, and visualization techniques. Based in Alberta, he also consults independently on database performance analytics and brings practical scripting and data-science tooling (bash, R, Python) to complex diagnostics. An avid bodyboarder, he pairs a technical career with a long-standing appetite for hands-on problem solving and creative data storytelling.
9 years of coding experience
20 years of employment as a software developer
BA, BA at Wesleyan University
Github Skills (10)
ggplot9
r-package9
data-dump9
dump8
visualization5
data-visualization4
dataframes4
instrumentation3
ash3
aws3
Programming languages (2)
Github contributions (5)
jberesni/ASHviz
Oct 2018 - May 2019
Visualization of ASH dump data using R and ggplot
Contributions:154 commits, 3 PRs, 150 pushes in 7 months
r-packageashdataframesdata-dumpggplot2
jberesni/AAS-SQL
Oct 2018 - Aug 2020
Contributions:19 commits, 7 pushes, 1 branch in 1 year 10 months
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