Bar Weiss
Senior Software Engineer at Island
Tel-Aviv, Tel-Aviv District, Israel
Summary
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SeniorBar Weiss is a senior software engineer based in Tel Aviv with nine years of hands-on experience building high-performance C++ and Python systems, especially on Windows. He has led engineering teams through startup-to-acquisition transitions and into large-scale product organizations, combining strong project management with a focus on modularity and scalability. Bar’s background in military intelligence gave him deep expertise in networks, proprietary protocol design, and low-level Windows internals, which he pairs with modern web and backend development skills. At Datadog he contributed to observability tooling, including improving client IP tagging in a widely used Datadog tracing client, reflecting both product-minded engineering and open-source collaboration. Now at Island, he continues to bridge systems-level engineering and team leadership while maintaining a hobbyist practice in game development that keeps his creative problem-solving sharp.
9 years of coding experience
10 years of employment as a software developer
Hebrew, English
Github Skills (7)
distributed-tracing10
ruby10
tracer10
trace10
apm10
rack9
testing8
Programming languages (6)
Github contributions (5)
DataDog/dd-trace-rb
Aug 2022 - Sep 2022
Datadog's client library for Ruby
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 14 commits, 1 PR in 9 days
Contributions summary:Bar primarily contributed to the Datadog Ruby tracing client by implementing features related to client IP tagging in the Rack environment. They added support for including the `http.client_ip` tag and addressed review comments, refining the code and improving its functionality. Their work involved modifying specs and core files to validate and integrate the client IP functionality. They also made efforts to refactor code for better readability and to fix linter and compatibility issues.
datadogrubytracingapmdistributed-tracing
barweiss/go-tuple
Dec 2021 - Oct 2022
Go 1.18+ generic tuple
Contributions:6 releases, 1 review, 19 commits in 9 months
gogolanggolang-packagetuple-librarytuples
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