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Alexandre KubosAK

Alexandre Kubos

Tech Lead System Team

€700/day
Paris 10e Arrondissement, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexandre

For several years, I have been a tech lead for cross-functional teams, system teams, or also called forge. I help product teams transform, manage technical debt, and automate repetitive processes.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Paris 10e Arrondissement (up to 50km)

Experience

  • AG2R
    Tech Lead System Team
    BANKING AND INSURANCE
    July 2022 - Today (3 years and 11 months)
    Mons-en-Barœul, France
    Standardization of a custom batching system in Spring Batch and multi-node distribution
    • Load balancing of batches across multiple nodes
    • Implementation of a Spring Batch stack with Integration Flow for distributed calculation across multiple nodes

    Improvement of business batches through the implementation of aggregation tables
    Implementation of technical and application observability indicators (performance monitoring)
    Reduction of infrastructure footprint
    • Implementation of KPIs for Web Services, Oracle, and applications
    • Correction of resource-intensive queries (Elastic, fullscan, and AWR)
    Technical debt reduction of a custom framework: modularization, migration from Java 8 to Java 17
    Technical debt reduction of obsolete applications
  • Leroy Merlin
    Tech Lead Java
    RETAIL (SMALL BUSINESS)
    January 2020 - July 2022 (2 years and 6 months)
    Implementation of backend Unit Tests
    • Cleanup and implementation of CI (multi-project)
    • Implementation and monitoring of SonarQube
    • Training developers in TDD

    #java #gitlab #docker #sonarqube


    Technical contributor for integration tests
    • Validation of an application scope between development/testing/product owner
    • Implementation of Gherkin tests
    • Coordination of Product Owners/Testers/Automation Engineers/Developers

    Application owner for a resident management tool for support
    • Implementation of Agile methodology
    • Aggregation / refinement / facilitation of User Stories from Product Owners
    Java MQTT Gitlab CI/CD SonarQube Gherkin
  • SIPLEC ( Mouvement LECLERC )
    Tech Lead
    ENERGY AND UTILITIES
    October 2018 - October 2019 (1 year)
    Paris, France
    Project from scratch (build): Management of Energy Saving Certificates

    Microservice architecture based on Java 11
    * Breakdown by business domain
    * Database modeling


    Implementation of Git workflow to facilitate development process
    * Setup of sandbox, development, pre-production, production environments
    * Branch build triggering
    * CI/CD pipelines with Gitlab CI, Harbor, and Rancher
    * Creation of microservice templates / team training
    * Dockerization of legacy components (PHP, Python)

    Full-stack Java 11 / Angular development
    * Creation and provision of APIs for partners
    * Implementation of Swagger on each microservice
    * Technical supervision of a team of 5 developers
    Rancher Docker Kubernetes Java Angular

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Education

  • Engineering Degree in IT Option English
    EFREI
    2011

Skill set (25)

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