Martin Junghanns
Staff Software Engineer at Neo4j
Malmo, Skåne County, Germany
Summary
🤩
Rockstar🎓
Top SchoolMartin Junghanns is a Staff Software Engineer and former university researcher with 6+ years of industry experience building distributed data systems and graph analytics platforms. He combines a PhD-level focus on graph data integration, declarative analytics and efficient partitioning with hands-on engineering in the Apache Hadoop ecosystem and NoSQL/graph databases like Neo4j and Titan. At Neo4j he has contributed to core drivers in both JavaScript and Python—improving protocol stability, type safety and graph object handling—demonstrating a strong emphasis on robust, production-quality tooling. As a lecturer and thesis supervisor he bridges research and practice, turning academic ideas into prototypes and teaching practical distributed database concepts. Fluent in Java and Python, he pairs deep algorithmic knowledge with pragmatic optimization skills for large, heterogeneous graph workloads.
7 years of coding experience
14 years of employment as a software developer
Master's Degree Informatik (Computer Science), Master's Degree Informatik (Computer Science) at Leipzig UniversityBachelor's Degree Praktische Informatik (Practical Computer Science), Bachelor's Degree Praktische Informatik (Practical Computer Science) at Duale Hochschule Gera / University of Cooperative Education
English, German
Github Skills (19)
zone10
javascript10
python10
databases10
typescript10
bolt10
neo4j10
neo4j-driver10
database-driver10
typescript-types10
timezone10
typescripts10
database10
apidoc9
api9
Programming languages (14)
Github contributions (5)
neo4j/neo4j-python-driver
Oct 2019 - Aug 2020
Neo4j Bolt driver for Python
Role in this project:
Back-end Developer & Database Engineer/Administrator
Back-end Developer & Database Engineer/AdministratorContributions:20 releases, 2 reviews, 112 commits in 10 months
Contributions summary:Martin primarily contributed to the core functionality of the Neo4j Python driver. They updated connection timeouts, fixed metadata consumption issues related to Bolt protocol versions, and implemented a new Bookmark class. Furthermore, they refactored the Bolt connection class, moved protocol logic, and improved time zone handling. The user's work focuses on driver stability, protocol compliance, and user experience improvements.
driverneo4jpythongraph-databasedatabase-driver
neo4j/neo4j-javascript-driver
Oct 2019 - Jul 2020
Neo4j Bolt driver for JavaScript
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 2 reviews, 12 commits in 9 months
Contributions summary:Martin primarily contributed to the core functionality of the neo4j-javascript-driver. They implemented key features like the `map` function for Record Objects and added functions for graph objects, including `isRelationship`, `isUnboundRelationship`, `isPath`, and `isPathSegment`. The user also added TypeScript definitions and tests, enhancing the driver's type safety and maintainability. Furthermore, they updated existing examples and fixed minor JSDocs and code typos.
driverjavascriptneo4jdatabasebolt
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