Ismail Simsek
Staff Software Engineer at Grafana Labs
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolIsmail Simsek is a Staff Software Engineer based in Munich with over a decade of experience building scalable web applications and cloud-native infrastructure using TypeScript/React, Go, Postgres, Docker and Kubernetes. He blends full-stack product delivery with observability and automation expertise—working with Prometheus, Grafana, Terraform and AWS—to keep systems reliable at scale. His open-source contributions include backend work on notable projects like Apache Iceberg and Debezium, plus database documentation improvements for SchemaSpy, reflecting a focus on data integrity and tooling. A former game developer who still enjoys gaming and creative projects, he brings an engineer’s curiosity to both system-level design and developer experience.
10 years of coding experience
17 years of employment as a software developer
Bachelor’s Degree Computer and Instructional Technologies, Bachelor’s Degree Computer and Instructional Technologies at Dokuz Eylul University
English, German
Github Skills (23)
postgresql10
testing10
databases10
jdbc10
java10
javas10
apache-iceberg10
ice10
schema10
documentation10
database10
apache9
database-api9
change-data-capture9
apache-kafka9
Programming languages (12)
Github contributions (5)
apache/iceberg
Apr 2021 - Oct 2021
Apache Iceberg
Role in this project:
Back-end Developer
Back-end DeveloperContributions:109 reviews, 4 commits, 8 PRs in 6 months
Contributions summary:Ismail contributed to the core logic and test suite of the Apache Iceberg project. Their commits focused on refactoring and relocating client-related components within the core module. They also added a JDBC catalog implementation, which likely involved database interaction and data management within the Iceberg framework. Furthermore, the user modified and added new test cases, which demonstrated the development and testing of the system's overall functionality.
apache-icebergapachebig-datadatastreamjava
debezium/debezium
Dec 2020 - Sep 2022
Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
Role in this project:Back-end Developer
Back-end DeveloperContributions:45 reviews, 19 commits, 27 PRs in 1 year 8 months
Contributions summary:Ismail primarily contributed to the `debezium/debezium` repository by modifying and refactoring code related to testing and configuration. The user moved and renamed test resources, and updated configuration files to use the new resource locations. The contributions also included fixing regular expressions used to identify environment variables. Additionally, the user introduced support for MariaDB table options, and implemented file-based signal handling.
kafka-connectapache-kafkadata-capturedatabasekafka-producer
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