Danny Cranmer
Principal Engineer at Confluent
Peterborough, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolDanny Cranmer is a Principal Engineer with 11 years of experience building and hardening distributed, cloud-native systems, currently at Confluent after senior engineering leadership roles at AWS. He is an active Apache Flink PMC member and committer, contributing deep Java expertise to streaming connectors and test automation—especially around the Kinesis connector—and helping maintain the Flink project website and community documentation. Danny combines hands-on engineering (test-focused backend development and site rebuilds) with team leadership experience from delivering SaaS solutions and mentoring cross-functional teams. His background spans embedded/electrical engineering up through large-scale cloud software, giving him a practical systems perspective on performance and reliability. Colleagues rely on him to translate complex streaming semantics into robust, well-tested code and clear documentation. Based in Peterborough, he pairs rigorous technical craft with a knack for making open-source projects easier to use and maintain.
11 years of coding experience
18 years of employment as a software developer
BTEC National Diploma Electrical and Electronics Engineering, BTEC National Diploma Electrical and Electronics Engineering at Norwich City CollegeMaster of Engineering (MEng) Electronic and Communications Engineering, Master of Engineering (MEng) Electronic and Communications Engineering at University of Kent
Stackoverflow
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0reached
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Github Skills (12)
javas10
big-data10
amazon-kinesis10
maintenance10
apache-flink10
kin10
java10
documentation10
testing10
scala9
test-automation9
junit9
Programming languages (5)
Github contributions (5)
apache/flink
Jun 2020 - Jan 2023
Apache Flink
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:429 reviews, 77 commits, 247 PRs in 2 years 6 months
Contributions summary:Danny primarily focused on improving test coverage for the Kinesis connector within the Apache Flink project. They implemented and refined tests for the `ShardConsumer` class, covering various scenarios including metrics reporting, starting sequence numbers, and aggregated records. The user also created and modified test utilities, demonstrating expertise in testing and verifying the functionality of the Kinesis connector. Their contributions primarily involved Java code, and focused on the streaming data processing and connector logic within the project.
pythonflinkconnectorsqlapache
apache/flink-web
Jan 2021 - Dec 2022
Apache Flink Website
Role in this project:Technical Writer
Technical WriterContributions:66 reviews, 12 commits, 56 PRs in 1 year 11 months
Contributions summary:Danny's primary contributions revolve around updating and rebuilding the Apache Flink website, as demonstrated by the "Rebuild website" commit messages. These commits include updates to download pages, connector documentation, and community information, reflecting a focus on content maintenance and ensuring the website reflects the latest project releases and documentation. The user also contributed to updating the community page with new committers.
flinkapachebig-datasparkapache-flink
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