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Jonathan SajJS

Jonathan Saj

Release Train Engineer

€950/day
Lille, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonathan

09/25 Update: Available for new adventures 🚀

With 15 years of experience, including 7 years as a freelancer, I support IT companies in their strategic, transformation, and industrialization projects.

🏆 Certifications: SAFe 6 SPC - SAFe Practices Consultant (May 2025) / SAFe 6 Release Train Engineer (Nov. 2024)
💪 Areas of Expertise: RTE / Agile Coach / Scrum Master / Project Manager
🚗 Mobility: Lille Metropolis / up to Paris (Hybrid)

My experience in brief 🚅: 5 years RTE / 2 years Scrum Master / 2 years Technical PM / 6 years .Net developer.

👇👇For details 👇👇
  • French

    Native or bilingual

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

Experience

  • IMSA - pour Inetum
    Release Train Engineer
    DIGITAL AND IT
    September 2023 - Today (2 years and 9 months)
    Lille, France
    RTE for the SAFe CREA train (Calculate, Recover, Issue, Administer Receivables) for the MSA Business perimeter
    • Facilitator of ceremonies and continuous improvement for the CREA train, comprising approximately 80 people across 8 teams (PI Planning, Inspect & Adapt, PO Sync, Coach Sync, Next PI Preparation, etc.)
    • Active participation in the Lean Agile Center of Excellence / LACE, which guides the five current DOSI trains in adopting Lean-Agile practices
    • Member of the iMSA RTE CoP, bringing together about fifteen RTEs from different areas to standardize our practices and share our experiences
    • Training teams in Agility / Scrum / Kanban
    • Full use of JIRA for the train / teams, and Klaxoon for events and workshops
    Jira | Scaled Agile Framework | Klaxoon
    SAFe SPC Atlassian JIRA Scrum Kanban Coaching
  • AG2R La Mondiale – pour Norsys
    Release Train Engineer
    BANKING AND INSURANCE
    December 2020 - May 2023 (2 years and 5 months)
    Mons-en-Barœul, France
    • Guarantee of the proper implementation of SAFe values and practices at the Train level
    • Facilitator during ceremonies, obstacle identification, and risk management
    • Driving continuous improvement
    • Train budget monitoring
    • Use of Jira for the train and teams
    SAFe Atlassian JIRA Agile Method Scrum Coaching
  • JOUVE - pour HR Team
    Industrialization Project Manager
    DIGITAL AND IT
    March 2018 - August 2020 (2 years and 5 months)
    Lens, France
    • 10 projects in various sectors - Automotive, Logistics, Construction, Pharmaceuticals, Retail
    • Management of the development team (internal, service providers, partners) responsible for the maintenance and evolution of dematerialization chains
    • Study of client needs, quote preparation, planning, acceptance testing and integration monitoring, participation in various project monitoring committees, and performance indicator development
    • Constant communication with internal production teams (France and Offshore) and management
    • Active participation in the study of the NF Z42-026 standard, which sets the rules and best practices to be followed to attest to the production of faithful copies of paper originals. The goal is to be able to destroy the paper originals once the invoices have been digitally archived.
    Digital Project Manager Process Facilitation Lean Web Application Industrialization

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Education

  • Master's Degree in Computer Engineering
    Ecole Privée des Sciences Informatiques (EPSI)
    2010
    BAC + 5 Ingénieur Informatique
  • Associate's Degree in Software Engineering
    IUT Informatique
    2007
    DUT Génie Logiciel

Certifications

Skill set

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