Data Engineer

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Who we are?


HarfangLab is a cybersecurity scale-up, and we have developed an Endpoint Detection and Response (EDR) software to detect and mitigate modern cyberattacks on a company's workstations and servers. Our algorithms detect abnormal behaviors and generate security alerts or block program execution.

From 50 to 100 employees in 2023, HarfangLab is experiencing hypergrowth and has already achieved several significant milestones: winners of the Ministry of Defense's cyber challenge in 2019, recipients of the BPI's I-Nov competition in 2020, and software certified by ANSSI in 2021.

Our initial clients include CAC40 industrial companies and government entities. We completed our first funding round of €5 million in 2021 and our second funding round of €25 millions in 2023, which will enable us to strengthen our teams, and to expand internationally in Europe.

Our mission is to protect businesses and government agencies from modern cybersecurity threats (cybercrime, data theft, influence) that endanger the economic health of companies and the security of the nation.

What you will do with us?

You will work within the Artificial Intelligence team, consisting of 5 individuals, under the direct and daily supervision of the team lead. This team designs, implements, and deploys supervised algorithms for detecting malicious behavior.

As a Data Engineer you will:

  • Gather requirements from stakeholders,
  • Manage data for the AI and CTI departments,
  • Design, develop, and maintain the existing data warehouse,
  • Implement a data lake if deemed appropriate,
  • Create data pipelines using ELT processes,
  • Design tools for data visualization.

About you

Hard Skills 

  • Master’s degree in Computer Science, Engineering, or a related field,
  • Proven experience as a Data Engineer 
  • Proficient in Python,
  • SQL: Strong in SQL syntax and query optimization, NoSQL will be a big plus,
  • Competence in data warehousing and data lake architecture,
  • Proficiency in at least one ELT tool and strong understanding of related processes.
  • You are fluent in English and you have excellent writing skills in English

Soft Skills 

      • Strong communication and teamwork skills,
      • Excellent problem-solving and attention to detail,
      • You enjoy learning and sharing your knowledge with others, 
      • You demonstrate initiative - when an opportunity arises to improve existing processes, you seize it.

        About us

        Our office and Team Life:

        • Offices located in the heart of Paris, near Bourse (75002),
        • High-quality equipment based on preferences and needs (PC, Mac, additional screens, etc.),
        • Thanks to our Office Manager, we regularly organize events such as seminars, happy hours, themed evenings, and more,
        • An onboarding process to welcome each new colleague with an explanation of the roles and a mentor to support you during your early days!"
        • A great team that always seeks to improve their skills


        And more:

        • An attractive package: Base salary + profit sharing,
        • Flexible remote work options,
        • A mentor to guide you throughout your probationary period,
        • Health insurance: The best health insurance with Alan and Moka Care, a mental health at work app,
        • Meal vouchers: We use the Swile card and also have access to a discount platform through our works council,
        • 7 to 11 additional days off (RTT) per year, in addition to the 25 days of paid vacation.
          GymLib subscription, covered 80% by HarfangLab,
        • Access to training and events of your choice and according to your professional needs.

          The recruitment process

          1. A 30-minutes call with our Talent Acquisition Manager,
          2. A 30-minutes visio interview with the Hiring Manager,
          3. A test to assess your technical skills 
          4. A 1 hour on-site interview + 30 minutes with the team for a team fit assessment,
          5. A psychometric test to assess your motivations and soft skills,
          6. A final HR video appointment to review your soft skills and motivations.

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