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Simo ZniberSZ

Simo Zniber

Senior Full Stack Developer JAVA ANGULAR

€550/day
Fontenay-sous-Bois, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Simo

Full Stack Developer specializing in the banking sector, I have been supporting the implementation and evolution of critical finance applications for several years: client onboarding, KYC, credit eligibility, data stream security, and large-scale solution integration. These experiences have allowed me to develop real expertise in a demanding environment where reliability, performance, and security are essential.

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💡 My Expertise

I transform business needs into high-performing and scalable applications

- Java & Spring Boot: Robust, secure, and highly scalable back-end development.
- Docker: Containerization for rapid and consistent deployment across all environments.
- Apache Kafka: Smooth management of large-scale, real-time data streams.
- CI/CD (Maven, GitLab/Jenkins): Automation of builds, tests, and deployments to reduce time-to-market.
- Angular / Vue js: Modern, fluid, and intuitive interfaces to maximize user experience.


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🚀 My Creation – BJJ Championships

In parallel, I am the founder of BJJ Championships (a mobile application), a platform dedicated to Brazilian Jiu-Jitsu that centralizes competitions in France and internationally. This project combines my passion for sports and web development, and demonstrates my ability to lead a complete product from idea to deployment, with a real community dynamic.

This application is the result of using artificial intelligence combined with my technical skills to increase efficiency, improve user experience, and innovate in the design of digital solutions.
  • Arabic

    Native or bilingual

  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Fontenay-sous-Bois (up to 50km)

Experience

  • Société Générale
    Full Stack Developer Java Angular
    BANKING AND INSURANCE
    April 2023 - Today (3 years and 4 months)
    Paris, France
    ================================================================
    Technical Environment: Springboot, Angular, Java 11, JSP, Git, Jenkins, Tomcat
    Hexagonal Architecture

    Private Bank: KYC & Onboarding Applications – Bank / Finance
    Joined an agile team responsible for developing web applications around a client onboarding software package. The goal was to evolve and maintain several interconnected web applications to cover the complete onboarding journey.

    - Participation in technical design, code reviews, and implementation of automated tests.
    - Close collaboration with POs, UX/UI designers, and DevOps teams for production deployment.
    - Design and exposure of RESTful APIs for inter-application communication.
    - Spring Security, JWT, OAuth2 for managing simultaneous authentication across multiple applications.
    - Collaboration with DevOps teams for deployments (CI/CD), and environment management (Docker, GitLab CI…).


    ===============================================================
    Technical Environment: Springboot, Angular, Java 17, Git, Jenkins, Maven, RabbitMq, AWS, CI/CD
    Microservice Architecture

    Retail Bank: Complete overhaul of a credit eligibility assessment system for individual and corporate clients.

    - Complete refactoring of the existing solution towards a microservices architecture.
    - Data reception and classification
    - Customer portfolio management
    - Implementation of batch processes for mass eligibility rule processing.
    - Establishment of a data tracking chain between microservices to ensure stream traceability.
    - Continuous improvement of the technical foundation.
    - Writing and execution of unit tests to ensure system reliability.
    Git Angular Java JavaScript Docker
  • BJJ Championships
    Founder & Developer
    TECH
    September 2024 - Today (1 year and 11 months)
    Paris, France
    As a passionate Brazilian Jiu-Jitsu practitioner and web developer, I created BJJ Championships, a platform (intended for mobile use) that lists and centralizes Brazilian Jiu-Jitsu competitions in France and internationally. (https://bjj-championships.com)

    The objective is to offer practitioners and clubs a dynamic catalog displaying competitions by date, federation, and country to find them quickly and stay updated on the season's calendar.

    Technical Environment: Nuxt 3 (SSR), Vue.js, Spring Boot (Java 17), PostgreSQL, Docker, Nginx, OVH, Liquibase, Git, Bash script

    Features:
    - Implementation of a data scraping algorithm for the calendar using the Strategy design pattern.
    - Implementation of a batch for automated data retrieval.
    - Implementation of an SEO-optimized Nuxt 3 front-end (Vue.js, SSR) for Google indexing.
    - Deployment and hosting on VPS with Docker & Nginx, automated SSL/TLS integration.
    - Execution of unit and integration tests.
    - Creation of a newsletter system and management of a dedicated Instagram page to boost traffic.
    Spring boot Docker Vue.js Bash
  • Wedia
    Full Stack Developer JS/Java
    TECH
    February 2021 - March 2023 (2 years and 1 month)
    Paris, France
    Project Context:
    Within a team working in an agile environment, we were responsible for an application to manage product referencing/sorting, manage their photos and videos across different environments, handle a large volume of data, and support the client in adding maximum value to their project.

    Results:
    Enable the end-user to manage their own product batch.
    Implement numerous workflows for better management of business objects.
    Develop a high-performing application that meets the final need.

    Project Activities:
    Maintenance.
    Usage of engine APIs.
    Update/write new business services according to client feedback.
    Resolve bugs and deliver.
    Participate in various agile ceremonies.
    Ensure the quality and reliability of the delivered code.

    Team: Four people.
    Project Manager, Tech Lead, two Developers.

    Technical Environment:
    System (Windows 10), Java 8, VueJS, MySQL, Git, Gradle. JSP, Sonar

    Work Methodology:
    Agile SCRUM.
    MySQL JavaScript Vue.js Git Java

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Education

  • Engineer in Algorithms and Programming
    Université Paris Diderot
    2020

Skill set

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