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Jérônathan SemelaneJS

Jérônathan Semelane

Supermalter

Product Manager | Automation

€600/day
1 project
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jérônathan

Product Manager specializing in technical integrations and automations.
I work on topics such as:
🔌 API Connections: scoping, flux mapping, integrations (REST, webhooks), authentication management, and data exchange reliability.
⚙️ Automations: setting up automations (no-code / low-code), tool orchestration, internal process optimization. Make / Zapier / n8n
📊 Product Steering: prioritization, discovery, tech & business coordination, delivery tracking.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Leboncoin
    Technical Project Manager - Partnership Management
    REAL ESTATE
    September 2025 - Today (9 months)
    Paris, France
    • Liaise between partners (clients, publishers, and multi-distributors) and development teams.
    • Manage the partner portfolio, gathering technical needs, assisting partners during connection phases, testing integrations, carrying out client migrations, and deploying updates.
    • Contribute to the continuous improvement of processes.
    Technical Project Management Web Project Management API Integrations
  • Welcome to the Jungle France
    Staff Product Manager / Product Architect
    HUMAN RESOURCES
    September 2019 - August 2025 (5 years and 11 months)
    Paris, France
    • Member of the Tech & Product Leadership team.
    • Lead with the Data Science team the first AI use cases on WTTJ products:
    -> Job Matching
    -> Semantic suggestion of skills and tools
    -> Experience Level Prediction
    -> CV Parsing
    • Manage partners for integrations (job offer import, "apply with", candidate synchronization, ...).
    • Mentor PMs and develop product culture.
    • Lead cross-functional projects and teams for technical migrations to a micro-services architecture.
    • Redesign product architecture with PMs, PrDs, and technical architects on the following topics:
    -> Client autonomy
    -> Billing optimization
    -> New value proposition.
    AI and Data Analysis Technical Project Management Technical Specifications Agile Methodology API Integrations
  • Powerup Studio
    Founder - Side project
    January 2020 - Today (6 years and 5 months)
    Paris, France
    power-up.studio - Side project
    Suite of Power-ups to improve productivity on Trello particularly for agile project management.
    Agile Methodology JavaScript Data Analysis

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Education

  • Engineer
    Ecole Centrale
    2020
    Gap year 2018/2019 Enterprise Architecture : UML - BPMN - SQL - ArchiMate - TOGAF - Java

Certifications

Skill set

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