Denis Pyshev
Founder, Lead Software Engineer at Rintene
Uruguay
Summary
👤
Senior🎓
Top SchoolDenis Pyshev is a founder and lead software engineer with 11 years of experience designing and maintaining large-scale backend platforms, currently running a consultancy from Uruguay. He combines hands-on engineering—spanning Scala, Spark, data pipelines and cloud deployments—with building teams, technical culture, and maintainability practices that extend system lifetimes. His background includes leading Scala competency across organizations, owning data platform work at Petabyte/Chewy, and modernizing build systems for high-profile open-source projects like Apache Spark. Denis excels at rescuing and documenting legacy systems while helping teams evolve services and infrastructure, and he’s conducted hundreds of technical interviews and mentoring engagements. Comfortable wearing many hats, he brings a pragmatic blend of architecture, DevOps/DataOps, and delivery-focused leadership to complex business domains.
11 years of coding experience
14 years of employment as a software developer
Specialist degree Computational and Applied Mathematics, Specialist degree Computational and Applied Mathematics at Cherepovets State University
English, Russian, Ukrainian, Spanish
Stackoverflow
617reputation
219kreached
31answers
0questions
Github Skills (17)
spark10
sbt10
java10
scala10
javas10
build-automation10
big-data9
maven9
documentation8
apache-kafka6
linux6
bash6
pyspark6
spark-streaming6
apache-spark6
Programming languages (11)
Github contributions (5)
apache/spark
Oct 2020 - Oct 2020
Apache Spark - A unified analytics engine for large-scale data processing
Role in this project:
Backend Developer & Build Engineer
Backend Developer & Build EngineerContributions:9 reviews, 1 commit, 8 PRs in 1 day
Contributions summary:Denis primarily contributed to the build system and overall project structure of Apache Spark. Their commits focused on migrating the build process to sbt 1.x, fixing resolver clashes, and addressing javadoc errors. They also refactored code to address warnings, improve maintainability, and migrate to the newer slash syntax in the sbt build file.
analyticspythondata-processingsqlapache
gemelen/spark
Jul 2020 - Mar 2024
Apache Spark - A unified analytics engine for large-scale data processing
Contributions:53 pushes, 20 branches in 3 years 8 months
analyticsdata-processingapachebig-dataspark
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