Yanlong Wang
Principal Software Engineer at Elastic
Singapore
Summary
🤩
Rockstar🎓
Top SchoolYanlong Wang is a Principal Software Engineer based in Singapore with 11 years of professional experience and a decade-plus involvement with technology, specializing in full‑stack JavaScript/TypeScript systems including Node.js and Electron. He’s built and maintained end-to-end, enterprise-grade platforms across startups, state-owned enterprises, and a Series F unicorn, and has authored his own development framework to codify best practices. At Jina AI he contributed full‑stack and backend/DevOps work on notable open-source projects like Jina Reader and Serve, combining browser automation, cloud functions, and UI refinements for AI-first apps. Comfortable as both Tech Lead and individual contributor, he has led R&D teams, implemented containerized hybrid cloud architectures, and delivered production telemetry and stream-processing systems. Off-hours he runs a home server rack and a global fleet of VPS instances, reflecting a deep operational focus beyond typical dev roles.
11 years of coding experience
10 years of employment as a software developer
China University of Petroleum, Beijing
Chinese, English
Github Skills (28)
javascript10
webscraper10
back-end-development10
scrape10
css10
scraper10
ui-design10
webscraping10
scrapy10
front-end-development10
vue10
data-scraping10
html10
backend10
vue-jsx10
Programming languages (18)
Github contributions (5)
jina-ai/reader
Apr 2024 - Apr 2025
Convert any URL to an LLM-friendly input with a simple prefix https://r.jina.ai/
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:10 reviews, 52 PRs, 591 pushes in 11 months
Contributions summary:Yanlong appears to be working on the backend and infrastructure components of the project. Their commits show work on the `puppeteer.ts` service, involving browser automation, the `crawler.ts` cloud function, indicating scraping tasks, and changes to firebase rules and index and type definition files. These changes demonstrate expertise in both backend services and integration.
llmproxy
jina-ai/finetuner
Nov 2021 - Feb 2022
:dart: Task-oriented embedding tuning for BERT, CLIP, etc.
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 review, 9 commits, 13 PRs in 3 months
Contributions summary:Yanlong primarily contributed to the front-end aspects of the documentation bot within the Finetuner repository. Their work focused on enhancing the user interface, including fixing styling issues, implementing scrolling behavior, and improving the overall user experience. They migrated the doc bot to the `<qa-bot>` component, and updated the UI, along with addressing the styling and presentation of the bot's feedback mechanisms.
nlptriplet-lossfinetuningsiamese-networkjina
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