Jacob Heldenbrand
Senior Software Engineer at PayPal
Round Rock, Texas, United States
Summary
👤
Senior🎓
Top SchoolJacob Heldenbrand is a Senior Software Engineer with nine years of experience designing and operating large-scale backend and data systems, currently building cloud infrastructure at PayPal after leading data modernization efforts at Capital One. He has hands-on experience moving ETL from EMR to AWS Glue for pipelines handling 100M+ rows per day, implementing vendor integrations with Lambda, and hardening applications through proactive OWASP remediation. Previously he led a team at ClosedLoop.ai to deliver low-latency ML prediction services, a JDBC driver for analytics tooling, and Auth0 SSO improvements that tightened security and UX. Trained in bioinformatics and supercomputing workflows, Jacob combines a research-rooted discipline with pragmatic system design and a focus on clear ownership and cross-team collaboration.
9 years of coding experience
9 years of employment as a software developer
Master of Science, Bioinformatics (Genetics + Computer Science), Master of Science, Bioinformatics (Genetics + Computer Science) at Penn State UniversityBachelor of Science, Biochemistry, Bachelor of Science, Biochemistry at University of Central Missouri
English
Github Skills (17)
genome9
cromwell9
sequencing9
genomics8
junit8
bioinformatics8
testing8
spark-ml7
java7
pipeline7
science7
wdl7
gatk6
spark5
apache-spark5
Programming languages (6)
Github contributions (5)
ncsa/Swift-T-Variant-Calling
Dec 2016 - Jul 2018
Contributions:360 commits, 45 PRs, 337 pushes in 1 year 6 months
ncsa/Genomics_EpiQuant
Oct 2017 - Dec 2018
Contributions:23 PRs, 121 pushes, 16 branches in 1 year 2 months
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