James Roeder
Senior Software Engineer at HubSpot
Burnsville, North Carolina, United States
Summary
👤
Senior🎓
Top SchoolJames Roeder is a Senior Software Engineer with 14 years of experience building scalable, maintainable systems across Python, Ruby, Java, and C#. Currently at HubSpot, he contributes to back-end projects including enhancements to the popular jinjava Java template engine, improving lazy evaluation and robustness. He has a strong track record splitting monoliths into bounded contexts, designing horizontally scalable scraping and ingestion pipelines, and optimizing developer workflows with local Kubernetes tooling. A former instructor and curriculum author, he blends hands-on engineering with clear mentorship and documentation skills that accelerate team adoption of complex systems. Comfortable from embedded devices to distributed Kafka-based architectures, he favors pragmatic, self-healing designs and high-quality, testable code. Based in Burnsville, NC, he pairs enterprise experience with a history of teaching and consulting that helps translate technical complexity into practical outcomes.
14 years of coding experience
20 years of employment as a software developer
Bachelor’s Degree Computer Science Engineering, Bachelor’s Degree Computer Science Engineering at University of MichiganMaster’s Degree Computer Science, Master’s Degree Computer Science at Georgia Institute of Technology
Github Skills (9)
unit-testing10
javas10
template-engine10
jinjava10
java10
data-structures4
algorithm4
algorithms4
data-structure4
Programming languages (12)
Github contributions (5)
HubSpot/jinjava
May 2021 - May 2022
Jinja template engine for Java
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 reviews, 43 commits, 31 PRs in 11 months
Contributions summary:James primarily contributed to the `jinjava` project by enhancing the `LazyExpression` functionality. They added features to disable memoization, switched from a boolean to an enum for memoization control, and improved the handling of null values within lazy expressions. Furthermore, they addressed potential issues with divide-by-zero errors and made improvements to the unixtimestamp and truncate filter implementations.
javatemplate-engine
TIY-Durham/TIY-Overflow
Oct 2015 - Nov 2020
Contributions:5 PRs, 7 pushes, 3 branches in 5 years 2 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.