RESUME · CURRICULUM VITAE

Alex Qin (Qianjin Qin)

Senior Frontend Engineer · Full-Stack Engineer · Technical Team Lead

Wuhan, China

+86 159 7221 7310qianjin.qin@gmail.com
github.com/AlexQianjinlinkedin.com/in/qinqianjin

PROFESSIONAL SUMMARY

Senior engineer and team lead with 17 years in software delivery, including 5+ years specializing in enterprise frontend development. Strong in React, TypeScript, frontend architecture, scalable component systems, performance optimization, and modern engineering practices. Experienced in technical solution design, code review, mentoring, and English collaboration across international teams.

CORE SKILLS

FrontendReact, React Hooks, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, responsive design, Vite, Webpack

ArchitectureFrontend architecture, reusable component systems, state management, design patterns, technical solution design

Backend & DataJava, Node.js, Express, NestJS, REST APIs, PostgreSQL, MySQL, MongoDB, SQLite, Python, C#

Quality & DeliveryCode review, Jest, Vitest, Playwright, Git, CI/CD, GitHub Actions, Docker, Scrum

Cloud & PlatformsMicrosoft Azure, AWS, WeChat Mini Programs, WeChat Official Accounts; Linux, macOS, Windows

AI-Assisted EngineeringChatGPT, Codex, Gemini, and Qwen for development, code review, testing, and technical research

Applied AI SkillsCustom skill creation, MCP integration, and spec-driven development

PROFESSIONAL EXPERIENCE

Baizhen Biotechnology (Wuhan) Co., Ltd.

Jun 2022–Jul 2026

Senior Front-End Engineer

  • Designed and developed the React and TypeScript frontend for PEAKS Online, an enterprise browser-based protein sequencing product backed by Java and PostgreSQL.
  • Contributed to frontend architecture, application structure, reusable components, development standards, and key technical solution decisions.
  • Improved maintainability and delivery quality through performance optimization, dependency upgrades, code reviews, unit testing, and E2E automation.
  • Integrated Java REST APIs, contributed to selected backend work, mentored developers, and used Codex and Gemini to accelerate implementation, debugging, and technical exploration.

Wistron Information Technology & Services Co., Ltd.

Aug 2015–Jun 2022

Team Lead / Front-End Engineer

  • Led project delivery, front-end development, team mentoring, and technical training; worked on-site in California to clarify requirements and coordinate delivery.
  • EWT: Transformed the product backlog into user stories across seven sprints and enabled one production release in every sprint.
  • CEP: Quickly filled a React development gap, earned code-review privileges, mentored new front-end contributors, and delivered department-wide React training.

Wuhan KOTEI Informatics Co., Ltd.

Jul 2009–Jul 2015

Project Manager / C# Developer

  • Managed requirements, architecture, development, deployment, and on-site delivery for government information systems while leading the team’s customer response.
  • Introduced Prism MVVM, AutoMapper, and T4 code generation to improve collaboration and reduce repetitive development.

SELECTED PROJECTS

PEAKS Online — Protein Sequencing SaaS

React · TypeScript · Java · PostgreSQL

Delivered core frontend features, architecture improvements, reusable components, performance optimization, and automated testing in close collaboration with the Canadian team.

Hubei Provincial Land Resources Petition System

Project Management · Architecture · Data Visualization

Directed requirements, architecture, deployment, and on-site integration. The solution earned client recognition and was demonstrated at a provincial-level conference.

EDUCATION & ADDITIONAL INFORMATION