Maksim Konstantinov
San Francisco, California, United States
Summary
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SeniorMaksim Konstantinov is a Senior Data Engineer with 10 years of experience building large-scale JVM-based data pipelines and optimizing Spark workloads, currently driving data platform reliability and performance at Apple in San Francisco. He combines hands-on implementation—designing reusable libraries, scheduling, and monitoring—with stakeholder-facing requirements gathering and mentoring of junior engineers. His background spans enterprise ETL, cloud migrations, and cost-saving optimizations (including storage-format and EMR-to-EC2 improvements) across finance, adtech, and consulting engagements. A pragmatic performance tinkerer and GenAI explorer, he brings both deep JVM/Spark expertise and a streak for squeezing inefficiencies out of production systems.
11 years of coding experience
Stackoverflow
2,863reputation
595kreached
40answers
39questions
hadoop
top-5%
Github Skills (28)
apache-spark10
spark10
web-application10
python10
r10
big-data10
apache10
jdbc10
java10
scala10
webapp10
sql10
apache-iceberg10
parquet10
hadoop9
Programming languages (4)
Github contributions (5)
MaxNevermind/iceberg
May 2023 - May 2026
Apache Iceberg
Contributions:15 PRs, 59 pushes, 20 branches in 3 years
MaxNevermind/parquet-mr
Feb 2024 - Nov 2024
Apache Parquet
Contributions:69 pushes, 4 branches in 9 months
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