Projects

Case studies that demonstrate how I approach complex problems, make technical decisions, and deliver measurable impact. Each project tells the story of the challenge, the constraints, the decisions made, and the outcomes achieved.

15 projects · 3 featured

Featured
Performance Engineering · 2018 FlameScope Open-sourced a visualization tool for exploring flame graphs across time ranges, widely adopted in the industry for performance analysis
PythonJavaScriptD3.jsFlask
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Featured
Performance Engineering · 2015 d3-flame-graph Created an open-source D3.js plugin for flame graph visualization, now used by Apache Flink, Google pprof, and Oracle Java Flight Recorder
JavaScriptD3.jsHTMLCSS
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Featured
Performance Engineering · 2015 Vector Open-sourced an on-host performance monitoring framework used by engineers to diagnose production issues in real-time
JavaScriptD3.jsPythonAWS
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Performance Engineering · 2017 Burn Created a CLI tool to convert performance profiles to hierarchical data for flame graph visualization
Go
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Performance Engineering · 2018 d3-heatmap2 Created a D3.js plugin for heatmap visualization, complementing the flame graph plugin for performance analysis
JavaScriptD3.jsHTML Canvas
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Performance Engineering · 2017 FlameCloud Built a continuous profiling solution collecting thousands of profiles and millions of stacks daily at Netflix
JavaPythonAWSCassandra
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Performance Engineering · 2017 Differential Flame Graphs Developed differential flame graphs for comparing performance between software versions
JavaScriptD3.js
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Performance Engineering · 2019 Flame Graphs on pprof Integrated flame graph visualization into Google's pprof profiler, making it accessible to Go developers worldwide
GoJavaScriptD3.js
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Performance Engineering · 2019 Icarus Built real user performance monitoring processing 180B+ events daily with anomaly detection and alerting
JavaKafkaSparkElasticsearch +1
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Performance Engineering · 2018 End-to-End Tracing Built a framework linking user device tracing with backend service tracing for complete request visibility
JavaZipkinCassandraAWS
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Performance Engineering · 2018 Mogul Built a system demand analysis tool for visualizing resource utilization patterns across Netflix infrastructure
JavaPythonElasticsearchD3.js
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Performance Engineering · 2018 Slalom Built a bottleneck analysis tool for visualizing data flows and dependencies in large-scale systems
JavaPythonD3.js
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Performance Engineering · 2019 Kvasir Built an automated performance testing framework with fully automated regression analysis for Netflix
JavaPythonJenkinsAWS
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Performance Engineering · 2019 Performance Score Created a Lighthouse-inspired compound metric representing user experience, used to model performance impact on retention
PythonSparkElasticsearch
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Archived
Side Project · 2015 MyAdventure.IO Built an adventure tracking platform with GPS, photos, and messages for outdoor enthusiasts
Node.jsJavaScriptPostgreSQLGoogle Maps API
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