Johannes Tax
Principal Engineer at Bitpanda
Vienna, Austria
Summary
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Rockstar🎓
Top SchoolJohannes Tax is a Principal Engineer based in Vienna with 10 years of experience building observability and high-scale distributed systems across startups and hyperscale vendors. He has shaped tracing backends and cloud observability products at Microsoft and Grafana Labs, led instrumentation teams and launched an OpenTelemetry-first APM for Grafana Cloud. A long-time contributor and maintainer in the OpenTelemetry ecosystem, he’s added critical C++ client features around HTTP, trace propagation and semantic conventions that help standardize messaging system telemetry. At New Relic and AVL he delivered production-grade instrumentation, performance optimizations, and cross-language monitoring solutions, often bridging low-level C/C++ work with cloud-native deployments. Known for mentoring teams and driving upstream-first strategies, he combines hands-on systems coding with product-focused architecture to simplify instrumentation for developers.
10 years of coding experience
16 years of employment as a software developer
Associate’s Degree Computer Software Engineering, Associate’s Degree Computer Software Engineering at University of Applied Sciences Campus02 Graz
English, German, French
Stackoverflow
171reputation
6kreached
10answers
0questions
Github Skills (13)
distributed-tracing10
opentelemetry10
http-client10
c-language10
cprogramming-language10
api-design10
sdk9
api-documentation8
grafana6
asp-net-core6
opentelemetry-collector6
app-insights6
jaeger6
Programming languages (17)
Github contributions (5)
open-telemetry/opentelemetry-cpp
Dec 2020 - May 2021
The OpenTelemetry C++ Client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:232 reviews, 12 commits, 44 PRs in 4 months
Contributions summary:Johannes primarily contributed to the C++ client library, specifically focusing on the HTTP client and trace propagation functionality. Their work involved initializing and managing HTTP sessions, adding a test service, and modifying attribute value handling within the API. Furthermore, the user was involved in renaming attributes and providing API documentation.
apitracingsdktelemetryotel
pyohannes/opentelemetry-specification
Nov 2020 - Jul 2024
Specifications for OpenTelemetry
Contributions:57 pushes, 10 branches in 3 years 8 months
tracingspecificationsmetricsopen-telemetryopentelemetry
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