Clemens S is a Principal Data Engineer based in Singapore with 11 years of experience building and operating large-scale big data platforms. He has led teams at trivago and Grab, architecting Hadoop/Spark/Kafka ecosystems and creating tools and CI/CD practices that make data pipelines and ML workloads reliable and production-ready. His work spans ETL, job optimization, custom Spark libraries, and platform-level improvements (Dr. Elephant, Gobblin, sparklint) that empower analysts, data scientists and product teams. Known for tackling unsolved operational challenges, he blends deep mathematical training with pragmatic engineering to squeeze performance and observability from distributed systems. Outside core platform work he’s shipped optimized algorithm binaries and productionized SEM bidding models, showing a rare mix of systems, ML, and product-facing impact.
11 years of coding experience
12 years of employment as a software developer
Diploma Mathematics, Diploma Mathematics at FAU Erlangen-Nürnberg
Abitur Mathematics / English, Abitur Mathematics / English at Emil-von-Behring Gymnasium Spardorf
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