John Montgomery
Software Engineer 3 at Cedar
Greater Philadelphia United States
Summary
👤
Senior🎓
Top SchoolJohn Montgomery is a Software Engineer 3 with 12 years of experience building secure, high-impact systems across defense, healthcare, finance, and legal tech. He has delivered scalable identity decisioning and trust & safety infrastructure at Affirm, architected data ingestion and situational-awareness systems for defense customers, and improved FDA-related drug approval tooling and judicial data access earlier in his career. Comfortable from frontend UI work—contributing to the popular Habitica project—to backend systems and cloud-native deployments, he blends hands-on engineering with product-minded reliability and security practices. He mentors and hires engineers, leads on-call and latency-reduction initiatives, and holds an MS in Computer Science and an MBA that inform his cross-functional judgment. Notably, his background in cryptologic systems and authorship attribution research underpins a deep appreciation for auditability and data provenance in large-scale systems.
12 years of coding experience
15 years of employment as a software developer
Master of Business Administration (MBA), Master of Business Administration (MBA) at Quantic School of Business and TechnologyBachelor of Science Computer Science minor in Psychology, Bachelor of Science Computer Science minor in Psychology at Penn State UniversityUMBC
English, French
Stackoverflow
314reputation
14kreached
3answers
7questions
Github Skills (18)
javascript10
html10
angular10
vuejs39
vue9
vuejs29
unit-test9
css8
wrapper6
stl6
android6
shared-libraries6
dynamic6
complexity-theory6
deterministic6
Programming languages (5)
Github contributions (5)
HabitRPG/habitica
Mar 2015 - Oct 2017
A habit tracker app which treats your goals like a Role Playing Game.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:8 commits, 3 PRs, 9 comments in 2 years 7 months
Contributions summary:John primarily contributed to the front-end aspects of the Habitica application. Their work focused on enhancing the user interface related to tag management. They implemented new tag functionality, modified existing code to be more in line with the Angular framework, and corrected errors related to the implementation. The commits also show the user's work on unit tests, which demonstrates their understanding of the testing process.
trackerexpressvuereactjsrole
ExperimentMonty/research-malware-authorship
Feb 2014 - May 2014
Contributions:67 commits in 3 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.