Rauno Viskus
Co-Founder at Self-employed
Tallinn, Harju maakond, Estonia
Summary
🤩
Rockstar🎓
Top SchoolRauno Viskus is a pragmatic software engineer and co-founder with 14 years of experience building backend systems, DevOps tooling, and observability solutions, currently leading product and engineering at Invokation Games. With a formal background in mathematical statistics, he brings an analytical, data-driven approach to system design and an appetite for innovative, practical solutions. He’s been hands-on across Node.js, Rust, CI/CD and Kubernetes, shipping production features and migrations at companies like Jobbatical and Splunk. An active open-source contributor, Rauno has improved the widely used OpenTelemetry JavaScript projects—adding Node 16 support, OTLP v1 exporters and resource detectors—demonstrating deep experience in observability and platform reliability. As a freelancer and Toptal core developer he blends leadership with execution, often stepping into both team lead and individual contributor roles. He’s known for turning complex requirements into maintainable systems and for obsessing over measurable improvements (for example, building what he calls the best MMR algorithm for multiplayer matchmaking).
14 years of coding experience
10 years of employment as a software developer
Kuressaare GümnaasiumUnfinished Mathematical Statistics and Probability, Unfinished Mathematical Statistics and Probability at University of Tartu
English, Estonian
Github Skills (13)
opentelemetry10
nodejs10
javascript10
instrumentation10
cicd10
testing9
expressjs9
telemetry9
distributed-tracing9
restify9
api8
docker6
dockers6
Programming languages (18)
Github contributions (5)
open-telemetry/opentelemetry-js-contrib
Apr 2021 - Dec 2022
OpenTelemetry instrumentation for JavaScript modules
Role in this project:
Back-end Developer
Back-end DeveloperContributions:282 reviews, 69 commits, 160 PRs in 1 year 8 months
Contributions summary:Rauno's commits primarily focus on enhancing the express example and adding restify instrumentation. These changes include fixing an express example and implementing instrumentation for Restify. The user's work contributes to improved monitoring and observability for JavaScript applications.
instrumentationjavascript-modulesjavascriptobservabilityotel
open-telemetry/opentelemetry-js
Jun 2021 - Jul 2022
OpenTelemetry JavaScript Client
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:75 reviews, 10 commits, 13 PRs in 1 year 1 month
Contributions summary:Rauno contributed to the OpenTelemetry JavaScript client by implementing and modifying various components related to testing and build processes. They added support for Node.js 16 to the test matrix and updated the OTLP trace exporters to use the v1 specification. Furthermore, they worked on implementing and integrating detectors for host and OS resources. These changes indicate involvement in both backend and infrastructure-related tasks.
apijavascript-clientjavascripttelemetryotel
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