Ren Weilin
Software Engineer at TikTok
Singapore, Singapore
Summary
🤩
Rockstar🎓
Top SchoolRen Weilin is a software engineer based in Singapore with five years of experience building front-end and backend systems across startups and large platforms. Currently working on recommendation architecture for TikTok's global e-commerce, he brings hands-on expertise in React, Spring Boot microservices, AWS (EKS, CloudWatch, Lambda), and infrastructure-as-code. Past roles include improving API performance, migrating services to Kubernetes, and shipping UX features and OfficeJS prototypes at Dedoco, plus teaching core CS modules at NUS with top feedback scores. An active open-source contributor, he enhanced the widely used tech-interview-handbook by implementing React UI components and search/filter features that improve discoverability for engineers. Known for fast thinking and writing meaningful code, he combines product-focused front-end polish with pragmatic backend engineering and a knack for operational cost tools.
5 years of coding experience
1 year of employment as a software developer
Multidisciplinary Program Sustainability Communication Competency Workplace Readiness, Multidisciplinary Program Sustainability Communication Competency Workplace Readiness at Ridge View Residential CollegeGCE A Levels, GCE A Levels at Raffles InstitutionBachelor of Computing Computer Science (Hons), Bachelor of Computing Computer Science (Hons) at National University of Singapore
Chinese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
uid10
typescript10
javascript10
nextjs10
typescripts10
front-end-development10
ui-design10
react10
typescript-types10
css9
html6
Programming languages (8)
Github contributions (5)
yangshun/tech-interview-handbook
Oct 2022 - Nov 2022
💯 Curated coding interview preparation materials for busy software engineers
Role in this project:
Front-end Developer
Front-end DeveloperContributions:5 commits, 13 PRs, 49 pushes in 1 month
Contributions summary:Ren primarily focused on developing the front-end user interface for the "tech-interview-handbook" repository. Their contributions involve the creation and modification of React components, including a homepage layout, navigation bar, filter sections, search bar, and contribution dialogs. The user implemented UI elements and features for the question section of the application, while also making improvements like UI adjustments and fixes for rebase errors.
preparationbusybehavioral-interviewsalgorithm-interview-questionsengineers
wlren/TaskMaster
Oct 2021 - Oct 2021
Contributions:6 commits, 25 pushes, 7 branches in 1 day
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