Martijn Visser
Director Of Product Management at Confluent
Almere, Flevoland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolMartijn Visser is a product and engineering leader with 10+ years of experience building data-driven, real-time platforms and developer-facing products, currently serving as Director of Product Management at Confluent. He blends hands-on backend and DevOps experience—demonstrated by contributions to Apache Flink’s core, JDBC connector, and website—with strategic product leadership across startups and large enterprises including ING and Immerok. As a Committer and PMC member for Apache Flink, he brings deep expertise in stream processing, CI/CD and analytics, and a track record of upgrading complex dependency and testing infrastructures. Martijn’s background spans technical product ownership, personalization and streaming analytics at scale, and he’s known for bridging community-driven open source work with commercial product roadmaps. Based in the Netherlands, he combines legal and technical education with a history of entrepreneurial projects, giving him a pragmatic, cross-disciplinary approach to shipping reliable, production-grade systems.
10 years of coding experience
14 years of employment as a software developer
Bachelor Information Engineering, Bachelor Information Engineering at Amsterdam University of Applied SciencesBachelor of Information and Communication Technology Institute of Information Law, Bachelor of Information and Communication Technology Institute of Information Law at University of Amsterdam
Dutch, English, French, German
Stackoverflow
1,933reputation
46kreached
184answers
0questions
apache-flink
top-5%
Github Skills (30)
postgresql10
website-development10
apache-flink10
testing10
big-data10
kafka10
flink-sql10
jdbc10
java10
scala10
javas10
connectors10
html10
devops9
sql9
Programming languages (10)
Github contributions (5)
apache/flink-connector-jdbc
Nov 2021 - Dec 2022
Apache flink
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:33 reviews, 18 commits, 35 PRs in 1 year 1 month
Contributions summary:Martijn contributed to the JDBC connector for Apache Flink, demonstrating work on database interactions. Their contributions included moving JDBC connector code, updating database drivers and dependencies, and adding support for specific data types like `smallserial`. The user also made changes related to the Postgres database dialect, including modifications to the PostgresRowConverter and PostgresTypeMapper classes. Additionally, the user added and modified test-related files, indicating a focus on quality and testing.
flinkconnectorsqldatastreambig-data
apache/flink-web
Sep 2021 - Dec 2022
Apache Flink Website
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:87 reviews, 54 commits, 75 PRs in 1 year 3 months
Contributions summary:Martijn primarily contributed to the website's codebase, focusing on updates related to the Flink project. Their work involved modifications to the website's layouts, including the addition and removal of tracking code and copyright information. They also updated documentation and build scripts, demonstrating a focus on maintaining and rebuilding the website's content and structure.
flinkapachebig-datasparkapache-flink
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