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Tianwen XieTX

Tianwen Xie

Tech Lead Cloud & Architecture – 15 years experience

€778/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Tianwen

With over 8 years of experience, I have carried out several projects, I have a perfect command of the following technologies:

- Docker/Kubernetes
- Asp.Net Core
- .Net Core / C#
- Azure Devops
- Microservices
- Api Gateway(Ocelot)
- GraphQL
- Rest api
- Powershell
- Terraform
- Angular Typescript
- React.js
- Sql Server
- Entity Framework
  • French

    Fluent

  • English

    Fluent

  • Chinese

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • CEGEDIM
    Tech Lead .NET / Cloud Architect & DevOps
    SOFTWARE PUBLISHING
    April 2021 - January 2025 (3 years and 9 months)
    137 Rue d'Aguesseau, Boulogne-Billancourt, France
    CEGEDIM | Tech Lead .NET / Cloud Architect & DevOps

    April 2021 – January 2025 | Boulogne-Billancourt

    Project:
    Development and maintenance of anEDI platformfor the digitalization and automation of commercial, accounting, and financial exchanges.

    Role & Achievements:

    *Migration to Kubernetesand redesign of the application architecture to supportmulti-instancemode (synchronization of hundreds of databases, implementation of a routing database).

    *Design and implementation of CI/CD pipelines from scratchon self-hosted GitHub Enterprise, integrating build, tests, Docker packaging, push to an internal registry, and automated deployment on Kubernetes (including DB migration Jobs).

    *Implementation of containerized microserviceswith Docker/Kubernetes, management of critical components (Redis, RabbitMQ), and integration with external databases.

    *Participation in the implementation of monitoring and observability: Prometheus (metrics), Elasticsearch + Kafka (logs), supervision via Kubernetes tools.

    *Contribution to the electronic invoicing project (e-invoicing): integration and processing of large Directory files, development of data flows, and proposal of technical solutions for interoperability and regulatory compliance.
    • L3 Support, resolution of critical production incidents, and prioritization of developments.
    • Code supervision, technological choices, resource management, and technical debt management.
    • Collaboration with business, project management, and operations teams for the integration of new features.
    Technical Environment:
    C# .NET Core, Web API, LINQ, SQL, Entity Framework, SignalR, OData, RabbitMQ, Redis, PowerShell, Docker, Kubernetes, Helm, GitHub Enterprise CI/CD, Linux, Microservices Architecture, Swagger, Postman, Elasticsearch, Kafka, Visual Studio 2022, VS Code, Linqpad, Fiddler.
    Kubernetes DevOps Docker ASP.NET Core Microsoft Azure
  • Tian consulting
    .NET & DevOps Architect
    E-COMMERCE
    January 2025 - August 2025 (7 months)
    Colombes, France
    Project 1: E-commerce Platform (NopCommerce)

    Technical migration: updating the NopCommerce platform to version 4.8, including upgrading the .NET Core framework and redesigning the database.

    Development of specific modules:
    • Order management for tables (restaurant).
    • Delivery person management (dispatching and tracking).
    • SMS sending and receiving module, with SMS marketing campaign functionalities.

    Deployment automation:
    • Creation of an automated pipeline triggered on each Git push.
    • Execution of a PowerShell script to build a Docker image and generate a versioned tag.
    • Injection of the version value into Terraform variables.
    • Automated deployment and update of the application on Azure Web Service via Terraform (Infrastructure as Code).
    Project 2: Smart Design System with AI
    • Design and development from scratch of a web application allowing clients to select tiles (tiling) and generate dynamic previews.
    • Catalog and inventory management: integration of product data, dynamic updating of available tile types based on stock.
    • Technical architecture: design of the software structure, integration of AI modules, cloud deployment.

    Technical Environment:C#, .NET Core, SQL Server, NopCommerce, Docker, Terraform, Azure, CI/CD (GitHub + PowerShell scripting), Copilot, SMS integration, inventory management, AI applied to e-commerce.
    Microsoft Azure .NET Core Terraform PowerShell Azure DevOps
  • EXTERION MEDIA (FRANCE) SA
    Full stack developer
    PUBLIC SECTOR
    February 2021 - September 2021 (7 months)
    Issy-les-Moulineaux, France
    Projects: Development of a web application to manage orders and generate invoices.

    Role:

    • Analyze client requests, Propose technical solutions
    • Create project architecture design (database structure, APIs)
    • Perform detailed technical design respecting robustness, performance, and security constraints
    • Develop the application (Frontend, Backend, CI/CD)
    • Monitor logs, events, and production alerts

    Technical Environment: C#, PowerShell, Terraform, Angular 11, Angular Material, RXJS, Ngxs, GraphQL, DevOps, Azure, Service Bus, SignalR, Microservice Architecture, CI/CD, Docker, .Net core 3.1, Redis, Swagger, PostMan, Entity Framework, DDD, T-SQL, Microsoft Visual Studio 2019, Visual Studio Code, SQL Server, Git, Linqpad, Fiddler, etc.
    C# Azure .NET Core Angular DevOps

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Certifications

Skill set (35)

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