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Cyndiana SumbalCS

Cyndiana Sumbal

External HR Director 🚀 | Start-up & Scale-up

€750/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cyndiana

Fractional Head of People / External HR Director – Build & Scale HR

Specialist in building & structuring the HR function, HR audits, social compliance, payroll, and sensitive situations – startups, scale-ups, and SMEs.

French / English – On-site, remote, or hybrid interventions.

With over 14 years of HR experience, I support leaders who want to structure and secure their HR function, without unnecessarily complicating their organization.

I enjoy intervening in contexts where everything is not yet fixed, where clarity, prioritization, and step-by-step progress are needed, with simple solutions adapted to the realities on the ground.

I also integrate AI usage applied to HR to streamline processes, save time, and ensure reliable practices.

I also develop projects around AI (hackathons, Claude Code), in order to design concrete tools and continuously improve HR practices.

I favor simple, useful, and adapted solutions.

👉 Looking forward to discussing your HR challenges 😊
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Fluent

  • Hindi

    Basic

  • Morisyen

    Native or bilingual

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

Experience

  • IZIWORK
    Head of People
    TECH
    September 2020 - July 2025 (4 years and 10 months)
    Paris, France
    Scope of +300 employees – 3 entities (Temporary work & Syntec)
    Team of 2 people

    As a member of the Management Committee, I supported leaders in defining and steering the HR strategy, directly linked to the company's growth and transformation objectives.

    Building the HR Department:Leading major organizational changes in hypergrowth(reorganization, acquisition, crisis management, payroll internalization, onboarding, creation and implementation of HR processes and policies)

    Social:Implementation of company agreements (Social Dialogue, disability, working time agreements, internal regulations), assistance in obtaining ISO 9001 certification, management of departures and redundancy plans (implementation and monitoring), preparation of employee representative elections, participation and active management of the social audit for Series B funding round

    Payroll & Personnel Administration:Supervising and managing payroll & personnel administration, annual declarations, URSSAF audits, managing relationships with organizations, and preparing financial reports for the executive and management committees

    HR Development:Preparing annual performance review campaigns, and implementing a new tool (Javelo) in France and Italy and training managers/employees, developing a remote work charter, implementing a QWL barometer (Bloom), implementing HRIS (Lucca) in Italy, facilitating employee workshops

    Recruitment:All types of positions (Product, Tech, Sales, HR, etc.)

    Training:Development and implementation of the skills development plan, coordination of training activities and monitoring of career paths

    Office Management & Events:Organization of internal events, office management, relocation/renovation
    HR Support Social Law - Personnel Administration - Audit - Compliance HR Structuring HR Development HR Compliance
  • DATADOG
    Payroll and Personnel Administration Manager
    TECH
    March 2019 - May 2020 (1 year and 2 months)
    Paris, France
    Scope of 300 employees – 1 entity (Syntec) - Team of 1 person

    Building the Payroll and Personnel Administration Department:Creation and implementation of processes, payroll implementation (semi-outsourced)

    Social:Managing all types of departures, ensuring legal and social monitoring, Participating in the "IPO" process on the NASDAQ stock market, applying "SOX" compliance

    Payroll & Personnel Administration:Payroll management, annual declarations, managing relationships with organizations, forecast preparation, payroll reporting, personnel administration management, onboarding and offboarding

    HR Projects:Implementation of the Employee Savings Plan (CET), a new transport collection system, participation agreement
    HRIS:Implementing and managing the Workday tool

    Mobility:Managing expatriates, visa and international transfer monitoring
    Supporting employees and managers on all HR issues
    HRIS HR Compliance Payroll Management Social Law - Personnel Administration - Audit - Compliance HR Development
  • BCD TRAVEL
    HR Manager / Social Law
    TRAVEL AND TOURISM
    September 2016 - March 2019 (2 years and 6 months)
    Paris, France
    Scope of 270 employees – 1 entity (travel) - Team of 1 person

    Payroll & Personnel Administration:Supervising and managing payroll (semi-outsourced) in its entirety, preparing payroll closing reports, FTE / other requests, managing annual declarations and relationships with organizations, personnel administration management andHRIS

    Social:Managing all types of departures, ensuring legal and social monitoring, managing data to be provided to the Works Council and participating in IRP meetings

    HR Project:Managing HR projects and creating all processes related to the position
    Supporting employees and managers on all HR issues
    HR Support Payroll Management HRIS Social Law - Personnel Administration - Audit - Compliance HR Project Management

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Education

  • Master in Human Resources and CSR
    INSEEC
    2014
  • HR Officer
    SUP DES RH
    2012

Skill set

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