Leap Sim
Software Engineer at Upwork
Phnom Penh, Phnom Penh, Cambodia
Summary
👤
Senior🎓
Top SchoolLeap Sim is a seasoned software engineer with 11 years of industry experience and over eight years focused on full-stack development, delivering clean, test-driven Ruby on Rails backends and modern JavaScript frontends. Based in Phnom Penh, he blends strong database expertise (MySQL, PostgreSQL, MongoDB) with front-end skills across React, Angular, Vue and progressive UI tooling like Hotwire and Tailwind. As a long-term Upwork full-time freelancer since 2016, he’s skilled at breaking complex projects into manageable tasks, providing realistic estimates, and driving automated deployments with Docker, Heroku and AWS. His background as an IT manager early in his career gives him practical experience in stakeholder communication, project coordination and smooth system transitions. Comfortable in small agile teams, he emphasizes maintainability, CI/TDD practices and constructive collaboration while continually integrating new technologies into production workflows.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Norton University of Cambodia
English, Khmer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
call-flow10
contact-center10
twilio10
thunderbolt7
catalina7
purge7
nvidia4
wrangler4
patch4
non-blocking4
eventmachine4
shell3
prompt3
bash3
ruby3
Programming languages (2)
Github contributions (5)
yoolk/yoolk-image-crop
Dec 2014 - Dec 2014
Contributions:6 commits in 5 days
somleng/somleng-scfm-pin
Mar 2018 - Apr 2018
Contributions:2 PRs, 11 pushes, 2 branches in 1 month
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