Ludwig Zeng
@ludwigzeng
8 YOE Senior Full-Stack Engineer | Frontend & Backend & Production Support | Tech Stack: React, Node.js, TypeScript & Kotlin & PostgreSQL | ex-Tiktok
United Arab EmiratesWhat I'm looking for
I've built and maintained digital products across e-commerce, financial services, and regulated environments, with experience at ByteDance, HSBC, Joyy, and Momentum.
At ByteDance, I helped launch TikTok Global Selling Seller Center capabilities, refactored core product pages, and designed an image-upload solution that reduced failures by more than 50%.
At HSBC, I modernized a distributed video platform, cutting disk usage by up to 50% while improving scalability, reliability, and observability. I work across TypeScript, React, Vue.js, Node.js, Kotlin, PostgreSQL, real-time integrations, and engineering workflows.
Experience
Work history, roles, and key accomplishments
Worked as Development Engieer at Momentum.
At HSBC, I maintained and evolved services for a global internal social platform spanning video, publishing, search, and real-time content experiences. I modernized a distributed video platform by migrating workloads from bare-metal infrastructure to virtual machines and redesigning its storage architecture, reducing disk usage by up to 50% while improving scalability. I also built storage-aware u
At ByteDance, I helped architect and launch seller-management capabilities for TikTok Global Selling Seller Center using a micro-frontend architecture and a shared BFF layer. I led the refactoring of two core product pages, built shared services for metadata queries and configuration workflows, and improved BFF observability in partnership with backend engineers to optimize API performance. I also
At Joyy E-Commerce / Shopline, I maintained and expanded a configurable mobile page-building platform and its Node.js services, enabling operations teams to assemble mobile campaign pages from reusable templates. I introduced GitLab CI for incremental template builds, implemented on-demand builds with Lerna to reduce build time from six minutes to as little as one minute, and progressively upgrade
Education
Degrees, certifications, and relevant coursework
South China University of Technology
Bachelor of Engineering - BE, 信息工程
2014 - 2018
Tech stack
Software and tools used professionally
Availability
Location
United Arab EmiratesAuthorized to work in
Salary expectations
Social media
Job categories
Skills
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