Ja-on Kim
SDE II at Amazon
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolJa-on Kim is an SDE II at Amazon with 12 years of engineering experience building scalable web services and front-end integrations. He has progressed from hardware-focused engineering into full-stack software roles, leading teams at GlobalLogic on Google Workspace and Actions on Google using Python, Node.js, React/Vue and legacy AngularJS. At Lob he delivered measurable performance wins—introducing batch endpoints and redesigning services to boost throughput and cut network traffic dramatically—demonstrating a pragmatic focus on production impact. He favors mentorship and stepping into leadership to amplify team knowledge and ship reliable systems, with hands-on experience in zero-downtime migrations and test-refactoring to speed CI. Based in the San Francisco Bay Area and trained as a mechanical engineer at the University of Pennsylvania, he brings cross-disciplinary problem-solving and hardware-aware sensibilities to software architecture. Colleagues can expect a detail-oriented engineer who pairs measurable optimization with an eye for operational robustness.
12 years of coding experience
7 years of employment as a software developer
Bachelor's Degree, Mechanical Engineering, Bachelor's Degree, Mechanical Engineering at University of Pennsylvania
English, Korean
Stackoverflow
1reputation
162reached
0answers
2questions
Github Skills (19)
wrapper9
translation7
rest-api7
sorting6
php6
swagger6
graphql5
rescript4
openapi4
ppx3
javascript3
ocaml3
nextjs2
reasonml2
todomvc2
Programming languages (9)
Github contributions (5)
JsonKim/purescript-by-example
Feb 2019 - Apr 2021
Contributions:2 PRs, 31 pushes, 2 branches in 2 years 2 months
JsonKim/fastcampus-fp-typescript
Dec 2021 - Jan 2022
Contributions:11 commits, 5 pushes, 1 branch in 1 month
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