
Jinxin He
Verified Expert in Engineering
Software Developer
Shanghai, China
Toptal member since July 20, 2022
Jinxin graduated with a degree in computer science and has six years of expertise in the fields of web front-end and some full-stack development. He has served companies ranging from VC-backed startups to pre-IPO firms, big tech companies in China, and a startup in the United States. Jinxin worked in a multi-national development team and remote in-office set up.
Portfolio
Experience
- React - 5 years
- JavaScript - 5 years
- Python - 3 years
- TypeScript - 3 years
- Go - 2 years
- Next.js - 2 years
- Node.js - 2 years
- React Native - 1 year
Availability
Preferred Environment
Slack, Jira, TypeScript, JavaScript, React, Angular, Vue, React Native, Flutter, Go
The most amazing...
...project I've worked on is the feedstream, which generated $3 million daily, and a cloud service provider that touches millions of developer experiences.
Work Experience
Front-end Engineer
Italic
- Managed aspects of the feature development of a marketplace shopping site.
- Participated in the daily feature delivery and standup meetings. Synced with the product manager in the United States.
- Planned the budget for front-end expenses to save over US$10,000 in budget. Worked on the site's revamp experience and made it mobile-friendly.
Front-end Team Lead
Yonghui Superstores
- Worked on various product lines across the department of supply chains.
- Shipped the flutter in-app web app from zero to hero in a few weeks.
- Managed and mentored five front-end team members who delivered excellent output.
Front-end Engineer
Qiniu Cloud
- Worked as the main developer of Qiniu Cloud portal for live-streaming and content delivery network (CDN) services.
- Refactored legacy front-end projects from Angular and Vue into a React codebase.
- Kickstarted several internal tools to bootstrapping developer efficiencies.
Front-end Engineer
Baidu
- Worked on the front part of the newsfeed, which contains videos, images, articles, and channels, generating billions of views daily.
- Managed the internal a/b testing platform and iterated and enhanced it.
- Handled internal content management platform for newsfeed and developer for in-app web view for the innovative incubating project.
Full-stack Developer
SAP
- Worked on an SAP eCommerce solution from incubating to fully public product release.
- Managed a portal for a merchant and operated product-related duties.
- Assisted in developing several microservices, user, order, and shipping.
Experience
Blockchain Explorer
https://explorer.phoenix.global/I own all aspects of the delivery, including communication with the UX designer, aligning with the product manager, collaborating with the back-end team, and presenting to the stakeholder.
SaaS Data Product from TheSight Software
https://thesight.hcmsps.com/It is a machine learning platform that provides data analytics services similar to Palantir but in the finance sector.
eCommerce Marketplace for a Startup in the United States
http://www.italic.comAI Language Learning Platform
Dors.ai
Through personalized content and interactive modules, learners can grasp grammar rules, expand their vocabulary, enhance pronunciation, and develop conversational skills. Immersive exercises and quizzes allow learners to practically apply knowledge in real-life scenarios, honing their language abilities. Continuous assessment and progress tracking enable personalized content delivery, catering to individual needs.
The platform's user-friendly interface ensures easy navigation and accessibility across devices, enabling learning on the go. A supportive community of fellow learners and educators fosters a collaborative environment for cultural exchange and knowledge sharing.
Education
Bachelor's Degree in Computer Science
University of Alberta - Edmonton, Canada
Skills
Libraries/APIs
React, Vue, Node.js
Languages
TypeScript, JavaScript, CSS, HTML, TypeScript 3, Python, Java, C, C++, Go, GraphQL, HTML5
Frameworks
Angular, Next.js, Material UI, React Native, Flutter, UmiJS, AngularJS, Tailwind CSS, Redux
Platforms
Mobile
Storage
PostgreSQL
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