John Obelenus
Sr Staff Engineer at Altana
Boston, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Obelenus is an engineer and remote-first technology lead with 7 years of focused experience building complex, interactive web systems that power company workflows. Currently US Lead at Namespace, he previously drove platform and product velocity as a Staff/Principal engineer at Jellyfish, Owl Labs, and System Initiative, where he built high-performance syncing engines, front-end frameworks, and AI-native automation infrastructure. He has a track record of shipping large migrations that cut costs (saved $1M/yr at GLG), taking products from 0→1, and mentoring others through Resilient Coders. Based in Boston, he blends full-stack craftsmanship with product-minded systems thinking and a long-running commitment to teaching, a thread dating back to co-founding a strength-and-conditioning gym and community initiatives. Notably, he insists on remote work and focuses on developer infrastructure that accelerates team delivery.
7 years of coding experience
20 years of employment as a software developer
Bachelor's degree Information Technology, Bachelor's degree Information Technology at Rochester Institute of TechnologyNone Masters of Theological Studies, None Masters of Theological Studies at Boston University
Github Skills (91)
database10
mysql-server10
vault9
idris9
transactional-database9
mysql-cluster9
tla9
lgbt9
sat9
kebab-case9
jenkins9
oop9
crossword9
stateless9
secrets8
Programming languages (8)
Github contributions (5)
JohnbelMDev/microsoft-authentication-library-for-java
Feb 2022 - Jul 2025
Microsoft Authentication Library (MSAL) for Java http://aka.ms/aadv2
Contributions:36 PRs, 54 pushes, 54 branches in 3 years 5 months
javamicrosoft-authenticationmsal
JohnbelMDev/Spring-boot-Promise
Dec 2021 - Jul 2025
Contributions:5 PRs, 19 pushes, 13 branches in 3 years 7 months
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