FreelancerFreelancer2023.09 - Present

Maintain existing products, try to create new products, help others create products, and work as a freelancer.

PrivoceVP of Engineering2020.12 - 2023.09

Co-founder of Privoce.com. Led the engineering development — Portal and voce.chat. Responsible for technical architecture, team building, and engineering team development.

Beijing Diandian Future Education Technology Co., LtdFrontend Tech Manager2018.5 - 2020.11

Advanced from front-line developer to technical manager, responsible for the front-end development of the whole company: analyzing and managing requirements, coordinating front-end resources, ensuring project delivery, researching and promoting the implementation of technical upgrades and iterations to improve productivity.

Feihua Health Technology Co., LtdFrontend Development Engineer2014.5 - 2018.2

The company's first full-time front-end, growing with the company, from front-end engineer to front-end manager, built the company's front-end capabilities from the ground up. Introduced npm, gulp workflow, front-end slicing output seamlessly into the back-end, greatly improving development efficiency, the original 5 days of development shortened to 2 days.

Beijing Huachen Creative Co., Ltd.NET Engineer/ASP.NET2012.9 - 2014.4

Participate in the development of the company's courseware management platform

Edensign2024.10 - Present

Edensign is a cutting-edge virtual staging solution that empowers real estate professionals and designers to showcase properties in their best light.

• Co-founder: All development and product work except for the LLM training and APIs

Bank of Mononoke2025.03 - Present

A digital place where lives are recorded, remembered, and honored.

• Co-founder: Responsible for all product and development matters

Unsplash Wanderer2024.08 - 2024.09

Elevate your browsing with stunning Unsplash photos on every new tab. Simple, beautiful, and ad-free.

• Creator and Owner

Sinqi Tools2024.03 - Present

refined web tools for developers, designers and perfectionists

• Creator and Owner

VoceChat2021.03 - Present

A super-light Rust powered chat app, API and SDK that prioritizes private hosting.

• All development and operations work except for the backend service of chat

Preschool Education Cloud Platform(SaaS)2018.9 - 2020.12

Including but not limited: Home Edu, Parenting headlines, Today's baby, etc. Enabling kindergarten Internet management functions: attendance, social, writing weixin articles, etc

• Reconstruct the engineering architecture

• Good at reading and writing English, but still working on my speaking skills.
• A preference for simple and aesthetically pleasing UX and logic
• Author of Chinese Color (Github Star:2.4k+), more works: works.yangerxiao.com
• Completed a 2,345km solo cycling journey across half of China while maintaining my coding career.