Jesper Pedersen
Founder at mnemosyne systems
Cambridge, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolJesper Pedersen is a founder and seasoned software architect with 17 years of experience designing cloud-native, mission-critical systems and leading large-scale engineering efforts from Red Hat and JBoss to his current venture in Cambridge. He has led core projects in the PostgreSQL ecosystem—authoring high-performance connection pooling, backup/restore, and Prometheus exporter tooling—and contributed to WildFly and the IronJacamar connection pool, showing deep expertise in Jakarta EE and database integration. Known for shaping technical strategy and influencing production policies, he blends hands-on backend development with program leadership, mentoring, and community building (including multiple Google Summer of Code projects and the Boston PostgreSQL User Group). Beyond code, Jesper pursues expertise in wine and culinary arts, a detail that reflects his disciplined curiosity and taste for craftsmanship.
17 years of coding experience
24 years of employment as a software developer
Level 2 Wines and Spirits, Level 2 Wines and Spirits at Wine & Spirit Education TrustMaster's degree Computer Science, Master's degree Computer Science at Syddansk Universitet - University of Southern DenmarkItalian Wine ProfessionalNapa Valley Wine Academy, Napa Valley Wine Academy at American Wine ExpertBangkok Thai Cooking Academy, Bangkok Thai Cooking Academy at Master Thai Culinary Chef
Github Skills (15)
javas10
transactionscope10
transaction10
application-server10
database-driver10
jboss10
driver10
transaction-manager10
postgresql10
wildfly10
jdbc10
java10
software-quality9
testing8
xml7
Programming languages (14)
Github contributions (5)
impossibl/pgjdbc-ng
Oct 2013 - Feb 2017
A new JDBC driver for PostgreSQL aimed at supporting the advanced features of JDBC and Postgres
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 97 commits, 103 PRs in 3 years 4 months
Contributions summary:Jesper primarily contributed to the development and maintenance of the pgjdbc-ng JDBC driver for PostgreSQL. Their work involved modifying the driver's core functionalities, such as changing default user settings and simplifying version parsing. They also integrated checkstyle for code quality and performed refactoring by removing finalizers and simplifying certain code blocks. The contributions focused on improving the driver's functionality and code quality.
driverjdbcpostgresqljdbc-driverjava
wildfly/wildfly
Jul 2015 - Jul 2015
WildFly Application Server
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 commit, 13 PRs, 55 comments in 1 day
Contributions summary:Jesper contributed to the WildFly Application Server project by implementing changes to the connector subsystem. Their work primarily involved modifying the WorkManagerService, ResourceAdaptersExtension, and DataSourceModelNodeUtil, adding features related to user roles and connection handling. The user also addressed IronJacamar updates and fixed issues related to the 'wrap-xa-resource' configuration. Furthermore, the user's commits included modifications to JNDI naming and recovery processes.
application-serverwildfly
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