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Herizo R.HR

Herizo R.

Full Stack Developer

€177/day
Montréal, CA
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Herizo

Developer with over ten years of experience, specializing in PHP (Laravel, Symfony) and AWS cloud infrastructure management. I have designed and maintained complex applications with large data volumes and high availability, implemented robust CI/CD pipelines, and automated cloud deployments with rigor and security. Curious, rigorous, and solution-oriented, I am passionate about distributed environments and application performance.
  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • FREELANCE
    FULLSTACK DEVELOPER
    E-COMMERCE
    January 2023 - Today (3 years and 5 months)
    Montréal, Canada
    Design and development of tailor-made solutions for clients from various sectors (healthcare, audiovisual, e-commerce, education). My missions include needs analysis, technical design, front/back development, payment gateway integration, access security, maintenance, and post-delivery support.

    - Health & Shopping Prepaid Card Platform: Web and mobile application for managing prepaid cards used for health expenses (consultations, pharmacies) and retail through partner stores. Multi-channel top-up via mobile money, PayPal, or bank card. Implementation of a dynamic fee allocation matrix.
    Technologies used: Laravel, Vue.js, MariaDB, PayPal, SAP Build Apps, Gitlab CI/CD

    - Collaborative Tool for Audiovisual Projects: Collaborative platform for creating and managing audiovisual projects with simultaneous script editing, version tracking, and real-time comments. The project was developed in two versions: one accessible to the general public, and a second integrated with a Central Authentication Service for Single Sign-On authentication.
    Technologies used: Laravel, React, Node.js, Yjs, Websocket, MySql, Stripe, AWS, Docker
    Laravel MySQL Git
  • TRESOR PUBLIC
    SOFTWARE ARCHITECT
    PUBLIC SECTOR
    March 2016 - Today (10 years and 3 months)
    Tananarive, Madagascar
    Design of application architectures for public accounting management and foreign exchange operation dematerialization. Information system security compliance with ISO/IEC 27000 standard. Providing technical expertise and supporting development teams in solving complex problems. Writing technical documentation.

    Design of a distributed querying system allowing connection to about thirty remote Oracle databases with large volumes, extraction and transformation of business data, and production of automated decision-support reports. Optimization of execution times and handling of connection errors to ensure process stability.

    - Digitalization of non-fiscal revenue payment methods: Redesign of the system by integrating a dynamic and flexible calculation engine for payable revenues, integration of mobile money payment APIs, development of APIs for USSD payment.
    Technologies used: Symfony, PL/SQL, Oracle, REST API
    - Integration of the existing information system with a payment switch: Design and implementation of data exchanges between the IS and the wallet and transfer modules to ensure transaction fluidity.
    Technologies used: PL/SQL, REST API, Talend, ISO 20022, ISO 8583, PCI DSS
    Oracle PL/SQL Git Redis Python
  • ETECH CONSULTING
    .NET SENIOR DEVELOPER
    DIGITAL AND IT
    October 2013 - February 2016 (2 years and 4 months)
    Tananarive, Madagascar
    Participation in the design and development of several complex business applications in distributed environments with large data volumes.

    - Multicurrency quote management platform for the aeronautics sector (international multi-site company): development, quoting, evolutionary maintenance, performance optimization (page loading, indexing engine, monitoring)
    Technologies used: ASP.NET MVC, SQL Server, Lucene.NET, NHibernate, Spring.NET

    - Marketing and commercial rules application: management of campaigns and commercial rules with offline mode support.
    Technologies used: ASP.NET Web API, SQL Server, AngularJs, IndexedDb

    - SaaS ERP modules for accounting firms: Document Management System, timesheets, and accounting
    Technologies used: ASP.NET MVC, SQL Server, Jenkins
    ASP.NET Web API ASP.NET MVC 4 SQL Server Angular Jenkins

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Education

  • Polytechnic Engineer
    Antananarivo Higher Polytechnic School
    2013
    Ingénieur polytechnicien
  • Baccalaureate Series C
    Saint Michel Amparibe College
    2007
    Baccaulauréat série C

Certifications

  • Back-End Development
    Upwork
    2024

Skill set

Categories