Hussein El-sayed
Software Development Engineer III at Amazon Web Services (AWS)
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolHussein El-sayed is a seasoned Software Development Engineer III with 12 years of experience building backend, system, and distributed solutions, currently driving work on AWS CodeBuild after several years in AWS Billing. He brings deep Linux/Unix expertise spanning user and kernel space, C/C++, Java, and Go, with a strong focus on scalable microservices, system design, and database architecture. A prolific problem solver and competitive programmer, he actively participates in Topcoder and Codeforces, applying algorithmic rigor to production engineering challenges. His open-source testing contributions to the widely used dropwizard/metrics project demonstrate a practical commitment to reliability and observability in JVM ecosystems. Based in Berlin, he pairs fast-learning, self-starter initiative with hands-on devops and kernel-level experience—an uncommon combination that helps bridge low-level systems and large-scale cloud services.
12 years of coding experience
13 years of employment as a software developer
Bachelor, Computer Science, 3.2, Bachelor, Computer Science, 3.2 at Cairo UniversityBachelor’s Degree, Computer Science, B, Bachelor’s Degree, Computer Science, B at Faculty of Computers and Information Technlogy - Cairo University
English, Arabic
Github Skills (5)
unit-testing10
javas10
java10
metric10
test-automation10
Programming languages (4)
Github contributions (5)
dropwizard/metrics
Jul 2016 - Feb 2017
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 commits, 6 PRs, 13 comments in 7 months
Contributions summary:Hussein focused on enhancing the test coverage and optimizing existing unit tests within the `dropwizard/metrics` repository. Their contributions involved adding new test cases to cover corner cases for the `Counter` class and optimizing tests related to `InstrumentedExecutorServiceTest`, `InstrumentedScheduledExecutorServiceTest` and `DerivativeGaugeTest`. Additionally, the user implemented tests related to ConsoleReporter, GraphiteReporter, and GangliaReporter.
dropwizard-metricscapturingchartjvmtrend
husseincoder/dockerized-microservices
Apr 2017 - May 2017
Docker + Microservice playground
Contributions:34 commits, 46 PRs, 22 pushes in 1 month
dockerdocker-composemicroservicesmicroserviceplayground
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