Cem Türker is a Senior Software Engineer with 11 years of experience, currently building backend systems at Creative Fabrica after four years focused on Go at MessageBird. He holds a high-honors Software Engineering degree and is completing graduate studies in Computer Science, bringing strong academic grounding to production-grade engineering. A Java and Go polyglot, Cem specializes in concurrency, parallelism, and performance engineering—contributions to the popular Fortio load-testing tool and the Gatus status page show his practical impact on observability and health-checking. He has deep telecom and cloud experience from Argela, having worked on SDN/RAN controllers, NFV, and CI/CD pipelines in large open-source projects. Obsessed with low-level performance details, he often spends spare time coding and optimizing systems, which translates into measurable improvements like histogram merging and faster stats lookups in open-source repos. Based in Utrecht, he blends hands-on backend development with DevOps sensibilities and a steady record of open-source contributions.
11 years of coding experience
10 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at FMV Işık Üniversitesi
Bachelor of Science (BS), Computer Software Engineering, Bachelor of Science (BS), Computer Software Engineering at Işık Üniversitesi
Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.
Role in this project:
Back-end Developer & Performance Engineer
Contributions:12 commits, 17 PRs, 2 branches in 11 months
Contributions summary:Cem primarily contributed to the performance and functionality of the `fortio` load testing tool. Their work focused on implementing and refining the histogram data merging, and adding configurable request timeout values for HTTP clients. They also improved the echo server, including the addition of basic authentication, gRPC payload size configuration, and port 0 support. Furthermore, they made improvements on the performance of bucket lookups for statistics gathering within the tool.
Contributions:3 reviews, 15 commits, 2 PRs in 7 days
Contributions summary:Cem's contributions center around improving the health-checking capabilities of the `gatus` project, particularly with DNS-related features. This includes adding DNS health checks, and modifying the test cases. The user also made code coverage improvements, along with implementing the messagebird alerting provider. The work involved modifications to core files and integration with various dependencies.
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Cem Türker - Senior Software Engineer at Creative Fabrica