Clarence Castillo
Software Engineer, SRE Stream Compute Engine at TikTok
Singapore
Summary
👤
Senior🎓
Top SchoolClarence Castillo is a software engineer with 11 years of experience building resilient stream-processing and cloud-native systems, currently working on SRE for Stream Compute Engine at TikTok. He has deep hands-on expertise in Apache Flink, Spring Boot, Kubernetes, observability stacks (Prometheus/OpenTSDB + Grafana), and automation—authoring diagnostics and SRE tooling that cut on-call cases by 40% and established global SLI/SLOs. Prior roles at JPMorgan and startups reinforced his skills in real-time pipelines, cost-optimised AWS/K8s deployments, and bespoke integrations like a custom Flink FS plugin for internal S3 auth refresh. A practical polyglot, he pairs backend and infra work with front-end and mobile experience from freelance projects, and he enjoys mentoring, writing documentation, and hacking open-source in his spare time. Based in Singapore and studying a double degree in Business and Computer Science at NTU, he blends technical depth with product and business context to drive measurable operational improvements.
11 years of coding experience
6 years of employment as a software developer
Information Technology, Information Technology at Republic PolytechnicHigh School Diploma, High School Diploma at Ateneo de Davao UniversityBachelor's degree, Double Degree in Business and Computer Science, Bachelor's degree, Double Degree in Business and Computer Science at Nanyang Technological University
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (115)
campus10
thesaurus10
duolingo10
alfred-workflow10
directive10
dictionary10
kotlin-android9
telegram-bot9
android-application9
buttons9
reader9
cropperjs9
drag-to-select9
kotlin9
alfred9
Programming languages (7)
Github contributions (5)
ntuoss/tgifhacks
Feb 2018 - Feb 2019
List of materials used during TGIFHacks workshops by NTUOSS.
Contributions:30 commits, 3 PRs, 16 pushes in 1 year
machine-learning
clarencecastillo/NTUOSS-TelegramBotsWorkshop
Sep 2017 - Jan 2018
Contributions:29 commits, 3 PRs, 19 pushes in 4 months
telegram-botpythontelegram-botsworkshoptelegram
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