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Rostand T.RT

Rostand T.

Java Spring Developer | Kubernetes | Kafka | AWS

€550/day
Namur, BE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rostand

I am passionate about designing scalable and high-performance solutions to tackle complex software engineering challenges. With a strong foundation in Java and modern development practices, I am committed to delivering innovative, maintainable, and high-quality systems. Collaboration, Clean Code, and continuous improvement are at the heart of my approach. I thrive in dynamic environments where I can contribute to building robust systems while fostering effective teamwork.

Technical Expertise:

Java (8, 11, 17), Spring, Hibernate
Tests: JUnit, TestNG, Mockito
Apache Kafka
OpenTelemetry
CI/CD: GitLab, Jenkins
Cloud: Kubernetes, Helm, Ansible, AWS Lambda

Let's connect to explore how I can help you build high-impact software solutions.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Namur (up to 50km), Lille (up to 30km)

Experience

  • T-SYSTEMS IBERIA (Groupe Deutsche Telekom),
    Senior Software Engineer
    April 2023 - Today (3 years and 4 months)
    Granada, Spain
    Project: Access 4.0 (A4: Fiber-based, disaggregated, and programmable high-speed access solution)
    • Technical Design (LLD): Responsible for the detailed design (Low-Level Design) and implementation of complex modules within a microservices architecture.
    • API Specification: Definition, specification (OpenAPI), and maintenance of robust interfaces ensuring communication between system components.
    • Reliability and Resilience: Implementation of resilience mechanisms and optimization of observability via OpenTelemetry, ensuring data flow stability.
    • Quality & Mentoring: Guarantee of software quality through rigorous code reviews and technical mentoring of junior profiles.
    Technical Stack: Java 11/17, Spring Boot 3.x, Kubernetes, Kafka, MongoDB, GitLab CI/CD.
    MongoDB Java17 Spring boot Kubernetes Apache Kafka
  • EPAM,
    Senior Software Engineer
    October 2022 - March 2023 (5 months)
    Malaga, Spain
    Project: Garage Dashboard (Internal project management tool)
    • Agile Development: Rapid integration into a Scrum team for developing critical backend features in Java 11.
    • Quality & Standardization: Rigorous application of quality standards (Unit/Integration Tests, SonarLint) to ensure the maintainability of existing code.

    Technical Stack: Java 11, Spring (Data, MVC, Batch), Hibernate, MariaDB, Gitlab.
    Spring boot AWS Gitlab Hibernate Java 11
  • QITECH,
    Software Engineer
    September 2019 - August 2022 (2 years and 11 months)
    Madrid, Spain
    Project Qitech POS: Design and development of a complete point-of-sale system
    • Analysis & Design: Translation of business requirements into technical specifications, including impact analysis.

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Education

  • Bachelor's Degree in Mathematics - Computer Science
    University of Dschang
    2009
    Structures de données Programmation en C, C++, Java, JavaScript Bases de données et SQL Logique du premier ordre et Prolog
  • Master's Degree in Computer Science
    University of Dschang
    2020
    Systèmes Distribués Parallélisation des Algorithmes Science de données Veille Scientifique et Technologique Normes et Protocoles Réseaux

Skill set (10)

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