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Julien JollantJJ

Julien Jollant

Senior PHP/Symfony Developer | ERP & CRM

€700/day
Lille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Senior PHP/Symfony Developer | ERP & CRM Architect (8 years of experience)

Specialist in critical business systems.

I support companies in the design and maintenance of high-value PHP/Symfony solutions (ERP, CRM, PIM, custom SI).

My focus: code robustness and the longevity of your management tools.

Technical Expertise:

- Symfony: Advanced mastery (API Platform, Messenger, Workflow, Security).
- Design: Design Patterns (SOLID), DDD, Service Architecture.
- Quality: Clean Code, Automated Tests (PHPUnit), Legacy Refactoring.
- Data: Modeling and optimization of complex data flows.

Business Expertise:

- Technical Audit
- SI Interoperability
- Operational Maintenance (MCO).
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Lille (up to 50km), Paris (up to 10km)

Experience

  • NumisCorner.com
    Senior PHP/Symfony Developer
    RETAIL (SMALL BUSINESS)
    November 2020 - Today (5 years and 9 months)
    Lille, France
    Responsible for the robustness and evolution of the company's transactional core (ERP/PIM), I handle high-volume issues and workflow automation.

    Major achievements:
    - Architecture & Scalability: Design and deployment of a critical micro-service managing a catalog of
    +1,000,000 references.
    - Omnichannel: Orchestration of automatic catalog distribution to +15 international marketplaces.
    - Business Automation: Modeling of complex processes using the Symfony Workflow component and management of asynchronous tasks with Messenger.
    - Reliability: Implementation of a rigorous testing strategy (PHPUnit, Behat) ensuring maximum stability during deployments.
    Symfony PHP Algolia Domain Driven Design Shopify
  • Bobidi Book
    Shopify Developer
    E-COMMERCE
    February 2025 - Today (1 year and 6 months)
    Lille, France
    Global support for the launch and growth of a specialized e-commerce store.

    Key achievements:
    - Custom Development: Creation of a custom theme with Alpine.js for an ultra-responsive interface (Lighthouse performance).
    - Custom Checkout Funnel: Optimization of UX and customer journey to maximize conversion rates.
    - Workflow Automation (Make.com): Implementation of automated scenarios to synchronize orders with Print-on-Demand services and associated logistics tools.
    - SEO Strategy: Technical and structural optimization to ensure organic visibility from launch.
    Shopify Alpine.js Make.com Search Engine Optimization (SEO) SEO Strategy
  • DPS les indés
    PHP/Symfony Developer
    SOFTWARE PUBLISHING
    September 2015 - November 2020 (5 years and 2 months)
    Lille, France
    Flagship project: Dealership Network ERP/CRM (Client: Suzuki)

    Custom Development: Design and maintenance of an ERP managing daily dealership operations.

    CRM Expertise: Implementation of customer relationship management tools to optimize sales tracking and the sales cycle.

    Business Complexity: Translation of complex industrial and commercial processes into robust and scalable software functionalities.

    Symfony Quality: Application of development standards to ensure the longevity and security of critical data.
    Symfony Algolia SQL Server PHP REST APIs

Recommendations

Elodie DupireED
Médéric DulondelMD
Elodie Dupire and 1 other person have recommended Julien

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Education

  • Computer Engineering
    EPSI
    2018
    Ingénierie informatique

Skill set

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