About Yiyan
Chinese
Native or bilingual
French
Fluent
English
Fluent
Experience
- PersonalFull-stack Web Application DeveloperJanuary 2024 - Today (2 years and 5 months)Paris, France**Context**:Develop a PWA application allowing members of a Chinese Protestant church to perform their daily spiritual practice and share it.**Actions**:Backend:
- Developed the PWA mobile application with Ionic 8, Angular 18, and Firebase.
- Configured the project and managed user authentication from the Firebase console.
- Created security rules for the database.
- Managed and updated application versions.
- Developed components.
Frontend:- Developed reusable components.
- Created JSON files and manifests for PWA and Firebase.
- Developed services and performed HTTP calls to the Backend (rebase) and manipulated observables.
- Ionic 8, CSS3, HTML5, Angular 18,
- Firebase, Firestore Database, Firebase Cloud Messaging
- Air Liquide HealthcareFull-stack Angular & Node DeveloperMEDICALMarch 2019 - December 2023 (4 years and 10 months)**Context**:In a team of 8 developers, 1 dev leader, 1 QA, 3 POs, and 1 SM using Agile Scrum methodology, as a full-stack Angular & Node developer, I participated in the development of three projects: Prescriber Extranet, Patient Extranet, and Pharmacy Extranet.**Actions**:Participated in sprint planning, daily stand-ups, sprint reviews, retrospectives, backlog refinement...Code reviews, refactoring, and MCO for code quality and continuous optimization.Deployment to validation/integration/production environments.Backend:
- Development and updating of microservices.
- CRUD operations on the MongoDB database by creating repositories.
- API development.
- Development of mappings and indexing with Elasticsearch.
- Writing technical documentation.
Frontend:- Module development.
- Development of components, directives, pipes, and form validators.
- Service development.
**Technical Environment**:- Angular 14/16, RxJs, Typescript, HTML5, CSS3, NgRx
- NodeJs, ExpressJs, JestJs
- Git, Jenkins, AWS services, CI/CD
- Jira and Confluence
- CiteoFront-End Angular DeveloperENVIRONMENTALMarch 2018 - March 2019 (1 year and 1 month)**Context**:In a team of 5 developers and 2 business analysts, as an Angular front-end developer, I participated in the development and maintenance of a web application for packaging declaration for regional authorities in France.Development of a website for packaging declaration for regional authorities in France.Development of an internal website for managing Packaging/Paper contracts, etc.**Actions**:
- Evaluations and impact studies: Conduct a needs assessment and perform an impact study on all application components to avoid regression risks.
- Technical specifications development: Develop the front-end part with Angular 5.
- Deliveries to testing environments.
- Improvement of code quality.
- Development of application components.
Frontend:- Develop and update modules, components, and directives.
- Develop and update services and perform calls to .NET APIs.
**Technical Environment**:Angular 5, Git, HTML5, CSS3, TypeScript, Bootstrap
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Education
- Master of Business IntelligenceUniversité Marne-la-Vallée2015
Certifications
- AWS Certified Developer – AssociateAmazon Web Services