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Julien Z.JZ

Julien Z.

EM, Ex CTPO Startup Early Stage, Senior Software E

€600/day
Strasbourg, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Engineering Manager with 10 years of experience, previously in roles of Lead Dev and CTPO.

I work on building tech products in demanding contexts, with a constant focus on delivery, quality, and small teams.

My management approach is intentionally hands-on: staying close to the code and on-the-ground constraints to make better technical and organizational decisions.

I am involved in architecture, team structuring, delivery management, and product/engineering collaboration.

I actively experiment with AI applied to software engineering as a concrete lever for execution: speed, quality, and impact on team organization.

Little dogma, little hype.
Trade-offs, pragmatism, hands-on approach.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Strasbourg (up to 50km)

Experience

  • Click&Boat
    Engineering Manager
    TRAVEL AND TOURISM
    June 2025 - June 2026 (1 year)
    Boulogne-Billancourt, France
    Development in a demanding product context, scale-up leader in the boat rental market.

    Data Monitoring First: every delivered feature is accompanied by its monitoring metrics (KPIs, dashboards, alerts) — measurement is part of the definition of done.

    Implementation of the AI-Driven Development (AIDD) approach within the team.
    Team Management Project Management PHP Symfony SEO OKR
  • SPORTYMA
    CTPO Startup Early
    SPORTS
    February 2023 - June 2025 (2 years and 4 months)
    Strasbourg, France
    Recruitment and team management: Building and managing a multidisciplinary team of less than 10 people, including developers, Product Owner (PO), and designer.

    Co-construction of the product roadmap with the CEO, aligning business vision and technical constraints.

    Management of platform growth: 179K profiles, 84K accounts, 24K clubs, 202K events.

    Implementation of product monitoring dashboards (growth metrics, profile completion, user activity) to drive data-informed decisions.

    Supervision of the automation of delivery processes (CI/CD) to ensure the quality and speed of releases.
    Team Management Project Management Data Analysis Product roadmap
  • SPORTYMA
    Tech lead
    SPORTS
    January 2022 - March 2023 (1 year and 2 months)
    Strasbourg, France
    Supervising a team of 6 developers (2 back, 2 front, 2 mobile).

    Managing the rewrite of applications with a sequential module-by-module strategy, including a systematic refactoring phase.

    Definition and implementation of good development practices: functional tests, end-to-end (E2E) tests, and continuous integration (CI/CD).

    Strong involvement in Back-End development with PHP Symfony, as well as in Front-End interfaces with Symfony UX.

    Implementation of Atomic Design, DDD / Clean Code / Hexagonal Architecture.
    PHP Symfony Clean Architecture Symfony UX Atomic Design Docker

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Skill set

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