Carlos Cortez
Software Engineer at lightstep opentelemetry opentracing
Czechia
Summary
🤩
RockstarCarlos Cortez is a seasoned software engineer with 22 years of experience specializing in .NET/Mono, C#, C, Linux, Python and JavaScript, currently based in Czechia. He has deep roots in the Mono ecosystem—contributing Windows Forms and designer-host features—and has built cross-platform UI backends and event systems for Xwt. More recently he worked at LightStep and on OpenTelemetry/OpenTracing projects, implementing span and scope management, OT-OTel shims, and MockTracer features that bridge tracing standards. Carlos combines backend systems-level work with practical full-stack UI experience, and his contributions often focus on lifecycle, interoperability and tooling stability. A Mexican engineer who navigates both legacy platform intricacies and modern observability standards, he’s comfortable refactoring widely-used libraries to improve clarity and compatibility.
22 years of coding experience
18 years of employment as a software developer
Stackoverflow
11reputation
3kreached
1answer
0questions
Github Skills (31)
pytest10
tracer10
python10
api-design10
net10
dotnet10
opentracing10
ui-design10
java10
windows-forms10
asp-net10
javas10
uid10
api10
front-end-development10
Programming languages (22)
Github contributions (5)
opentracing/opentracing-java
Sep 2017 - Jan 2020
OpenTracing API for Java. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 39 commits, 87 PRs in 2 years 4 months
Contributions summary:Carlos primarily focused on refactoring the OpenTracing API for Java, implementing significant changes related to Span management and lifecycle. Their contributions involved simplifying the Span class, introducing the ScopeManager, and deprecating features like `finishSpanOnClose`. They also added generic typed setTag/withTag methods and made Tracer extend Closeable. Furthermore, they introduced the implementation of Trace Identifiers and adjusted copyright headers.
apispecificationtracingdistributed-tracingjava
opentracing/opentracing-python
Feb 2018 - Jul 2019
OpenTracing API for Python. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163
Role in this project:Back-end Developer & Technical Writer
Back-end Developer & Technical WriterContributions:23 commits, 47 PRs, 23 pushes in 1 year 5 months
Contributions summary:Carlos primarily contributed to the development and enhancement of the OpenTracing API for Python, focusing on the implementation of the MockTracer and related components. They introduced key features such as span and context management within the MockTracer, including support for baggage propagation and error handling. In addition, the user updated documentation and implemented global tracer features and semantic conventions.
apipythonspecificationtracingdistributed-tracing
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