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Zhouheng FangZF

Zhouheng Fang

Supermalter

Java/Kafka Developer (Spring, Quarkus) + Angular

€580/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Zhouheng

Experienced Backend / Fullstack Java Developer
I support you in the design and development of robust, scalable, and performant solutions, leveraging proven technologies such as Java (Spring Boot / Quarkus), Kafka, and Angular on the frontend.

💼 What I bring to you:

A solid experience in microservices-oriented backend development.
A mastery of asynchronous messaging with Kafka: consumption, production, performance management.
A pragmatic approach to projects: I understand your business challenges and propose adapted solutions.
The ability to intervene across the entire application lifecycle: analysis, development, testing, CI/CD, delivery.
Great autonomy while remaining attentive to your needs.

✨ My added value:

Rapid skill acquisition in your technical contexts.
Clean, maintainable, and well-documented code.
Good communication with business and technical teams.
Concrete experience on critical projects, in an agile context.

📌 Types of projects managed:

Integration of Kafka streams for real-time event processing.
Refactoring or evolution of backends in Spring Boot / Quarkus.
Development of fullstack applications (Angular + REST API).
Project industrialization with GitLab CI, Docker, Kubernetes.
  • French

    Native or bilingual

  • English

    Conversational

  • Chinese

    Native or bilingual

Can work on-site
Paris (up to 30km)

Experience

  • Softeam (Docaposte)
    Backend Java/Kafka Developer
    December 2021 - Today (4 years and 6 months)
    Paris, France
    PROJECT: DIGITAL HUB, Spring Service
    Digital Hub is a normalization and temporary storage service, an aggregator and orchestrator of services. SPRING is a program for migrating offers and services (tasks performed by the factor) to a new SI chain. The Hub acts as a Service Orchestrator (order taking, order lifecycle orchestration (servicePlace)).

    • Study of needs and creation of technical specifications from functional specifications
    • Technical choices and implementation of Microservice architecture
    • Evolutionary and corrective maintenance of applications
    • Externalization of modules (providers/consumers) into Quarkus microservices
    • Migration of Quarkus projects to version 3 and Java 21
    • Participation in architecture and evolution workshops
    • Mentoring and support for new developers

    Keywords: Java, SpringBoot, Vert.x Quarkus, Kafka, Schema Registry, Cassandra, Docker, Kubernetes, Feign Client, Nodejs, Gitlab CI/CD, Git, Linux, Shell, Nexus, SAFe Agile, Confluence, Jira
    Quarkus Java Docker Spring boot Confluent Kafka
  • Econocom (Client ICDC)
    Full-stack Java/Angular Developer
    September 2019 - December 2021 (2 years and 3 months)
    Paris, France
    PROJECT: France Services Platform Website (08/2020 to 12/2021)
    France Services is a public policy aimed at providing a network of physical locations to facilitate access to public services, the adoption of dematerialized services, and digital inclusion.

    • Development based on User Stories (US) for front, back, and database
    • Monitoring of corrections made by the development team
    • Generation of IAM components (a business process for managing identities), batch for retrieving identity information
    • Evolution and configuration of the project part to adapt IDP / SPS, the connection interface
    • Manipulation of small ELK (ElasticSearch, Logstash, Kibana) evolutions
    • Control of virtualization, SPS, and the interface for various authentication-related parts.

    Keywords: Java, Angular, Intellij IDEA, PostgreSQL, Spring boot, Spring security, Spring batch, Oauth2 OpenID, ELK(ElasticSearch Logstash Kibana), Eclipse, Visual Studio,
    Agile methodology

    PROJECT: MAP'S Application (10/2019 to 07/2020)
    Objective: Analyze the travel of agents between their place of assignment and their home address to analyze the current situation (mobility plan and CSR study) and especially to anticipate future site or organization relocations.

    • Development of the application, implementing US, evolutions, and correcting anomalies
    • Deployment of the application, integration, and acceptance testing
    • Handling the batch part for sourcing sites, agents, and ecosystems
    • Workshops with different project teams
    • Code testing and quality assurance
    • Cooperation with other teams (Next, CSR, DIDO, GIDE ...)

    Keywords: Java, Angular, Eclipse, Sprint Boot, Sprint batch, PostgreSQL, Google API, Navitia API, Data gov,
    Java Spring boot PostgreSQL Angular Jenkins/Sonar
  • Altran
    Development Engineer
    June 2019 - July 2019 (1 month)
    Paris, France
    PROJECT: Integration into an internal Altran research project
    As part of a project to develop a product to engage elderly people, realized through programming with the NAO robot and an application to guide users through exercises.

    • Development of application interfaces
    • Implementation of functions
    • Programming for the NAO robot connected to the application
    • Using Scene Builder to modify FXML files

    Keywords: Java, FXML, Eclipse, JavaFX, Scene Builder

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Education

  • Master of Computer Science Specialization
    Université Pierre et Marie Curie (Jussieu Paris VI)
    2016
    Master Informatique Spécialité
  • French Language Training
    Université Catholique d'Ouest
    2013
    Formation en langue français

Skill set

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