Felix Fernando
Software Engineer II at Traveloka
Tangerang, Banten, Indonesia
Summary
👤
Senior🎓
Top SchoolFelix Fernando is a Software Engineer II with nine years of experience building performant, user-focused web applications, currently shaping Customer Care experiences at Traveloka. A Mathematics graduate (cum laude) from Institut Teknologi Bandung, he combines strong problem-solving rigor with practical engineering—having led a Contact Us revamp that cut LCP by ~49% and CLS by ~95% and unified multi-platform code to reduce maintenance by over 40%. He’s implemented WebRTC calling across WebView-native bridges supporting thousands of monthly calls and introduced testing-first practices that raised coverage significantly while the codebase grew. Comfortable across React/Next.js, WebRTC, CI/CD and codemods, Felix thrives on measurable impact in fast-paced teams and has a track record of automating developer workflows and internationalization at scale. Open to collaboration, he pairs product-minded engineering with a habit of continuous learning rooted in quantitative thinking.
8 years of coding experience
3 years of employment as a software developer
Bachelor's degree, Mathematics, 3.66 / 4.00 (Cumlaude), Bachelor's degree, Mathematics, 3.66 / 4.00 (Cumlaude) at Institut Teknologi BandungScience Program, Science Program at SMA Negeri 1 Bintan Utara
Indonesian, Indonesian, Chinese, teochew
Github Skills (21)
in-progress10
branding10
markdown9
ini9
react9
js9
documentation8
github7
git6
expressjs4
firebase3
socket-io3
nodejs3
typescript2
postgresql2
Programming languages (5)
Github contributions (5)
FelixFern/FelixFern
Oct 2020 - Mar 2025
Contributions:72 pushes, 1 branch in 4 years 6 months
FelixFern/Codeforces
Sep 2020 - Aug 2022
Contributions:15 commits, 13 pushes, 1 branch in 1 year 10 months
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