Teng Wei Herr

8 months

• Working on the Binance Spot & Alpha trading platform on web.
• Deep diving into frontend performance optimization. Improved the spot trading platform’s Lighthouse score from 65 to 82 and reduced LCP by 60% by minimizing render-blocking resources and TBT. Currently it is the highest among the industry.
• Identified and reduced memory leaks by analyzing the memory distribution of JavaScript objects.

1 year 7 months

• Building the first salary transparency platform in Asia!
• Launched the B2C web platform, as well as the B2B benchmarking portal with AI agentic workflows for salary benchmarking and salary report generation.
• Built the product end-to-end, covering infrastructure, database design, automation, LLM applications, frontend development and web animation.
• Enhanced app sec through server-side functions, PostgREST-proxied BFF layer, refined RLS policies, and Cloudflare rules.

2 years 9 months

• Identified web performance bottlenecks and reducing total blocking time by up to 90%.
• Implemented zero-runtime-cost caching for third-party assets from CMS using SSG and build-time scripts with node-fs in Next.js.
• Migrated a React SPA to a Next.js isomorphic web app, achieving a 16x faster load time with 50% less code.
• Fine-tuned K8s resources with auto-scaling, minimized request latency & Kafka consumer lag and setting up Datadog monitoring to handle 30K RPS spikes.

5 years

• Expertise in Adobe Creative Suite including Illustrator, After Effects, Photoshop, etc
• Worked with international clients to produce high quality media content across various domains including finance, interior design, corporate, and government units.