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Ziye WangZW

Ziye Wang

FullStack Developer React/node

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ziye

Full-stack developer, I have been creating web applications with React, Node.js, and Typescript for 6 years.
I offer my services to entrepreneurs looking for a developer to create their web project, as well as to teams needing reinforcement.

👉 Frontend 💻
● TypeScript, JavaScript, HTML, CSS
● React.js, Next.js
● Redux
● Material UI, Tailwind, Sass, styled-components, Bootstrap

👉 Backend 🗄️
● TypeScript, Python
● Node.js, NestJS, Sequelize

👉 Others
● Version Control: Git, Github, Gitlab
● Deployment: Azure, Azure, Docker
● Testing/Quality Control: Jest, Mocha, ESLint, Prettier, Cypress

Being familiar with agile development and TDD, I am used to being very organized, as well as making my work accessible to the different stakeholders on the project, whether they are developers or not.

Passionate about my work, I regularly learn new technologies and can easily adapt when the mission requires it.

You can contact me if:
✅ you are looking for a developer to carry out your project from A to Z
✅ you want to make improvements to your current site
✅ you need an additional developer in your team
  • Chinese

    Native or bilingual

  • French

    Fluent

Remote only
Primarily works remotely

Experience

  • Sanofi
    Senior Fullstack
    HEALTH AND WELLNESS
    February 2025 - Today (1 year and 4 months)
    Paris, France
    • Built and maintained a full-stack web application “MAPS” to support statistical
    • programmers in code generation for drug submission, integrating both LLM-based and
    • Led the design and implementation of CI/CD infrastructure using GitHub Actions,
    • deploying applications to AWS services including S3, Lambda, EC2, and DynamoDB.
    • template-driven approaches to automate and accelerate code creation.
    • Developed scalable front-end solutions using React and architected robust back-end
    • services with NestJS and PostgreSQL.
    • Collaborated directly with statistical programming teams to optimize workflows and tailor
    • technical solutions to business needs.
    • The MAPS project significantly improved R&D efficiency, helping Sanofi reduce the
    • average drug development timeline by up to one year.
    • Project: Maps - Platform for managing SDTM/ADaM datasets and automating code
    NestJs Fullstack React.js AWS PostgreSQL
  • Command Strategy
    Senior Fintech Developer
    BANKING AND INSURANCE
    June 2023 - February 2025 (1 year and 8 months)
    Paris, France
    🌟 Key Skills and Expertise:

    Web Application Development: Building finance-related, responsive, and user-friendly web applications with React and ASP.NET.
    Financial Calculations and Analysis: Developing complex financial calculation tools to simplify and automate the decision-making process.
    Local AI Solutions: Writing and maintaining local AI solutions such as Mistral and Ollama to support data analysis and task automation.
    Azure DevOps: Responsible for Continuous Integration (CI) and Continuous Deployment (CD) processes, ensuring efficient code execution and processes.
    Team Collaboration and Communication: As a team player, I value teamwork and am committed to achieving goals in a dynamic environment.
    💼 Professional Experience:
    At Command Strategy, I participated in several key projects, from initial design to final delivery. My role involves full-stack development, including front-end and back-end programming, database management, and the use of Azure DevOps for project management and automated testing.
    Microsoft Azure React.js Typescript Node.js
  • Segula Technologies
    Tech Lead
    AUTOMOBILE
    February 2023 - May 2023 (4 months)
    Trappes, France
    Led a team of 5 developers in designing and implementing a ERP platform from scratch
    using React, Redux, and Node.js.
    Built a costomized component and theme system
    Worked closely with client to establish the specifications and system design.
    Utilized Docker and Docker Compose to simplify application deployment and ensure
    consistent environments across development, testing, and production.
    Assisted in the migration of applications to the cloud using AWS.
    React.js Node.js AWS Express.js JavaScript

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Education

  • EII
    INSA Rennes
    2019

Skill set

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