Internship - Software Engineer - Backend / Fullstack

Numberly

Intern • Hybrid • Paris

Numberly is recognized as one of the world's leading data marketing specialists with nearly 500 employees and 8 offices worldwide serving more than 500 blue-chip clients (L'Oréal, Sanofi, Moleskine, Campari, Nestlé, HSBC..). By putting technology to work for brands and consumers, Numberly is at the heart of business growth and everyone's desire for more sustainable and relevant marketing. Numberly leverages the latest advances in data processing, analysis and activation, incorporating artificial intelligence technologies. This approach is part of a virtuous circle in which business competitiveness goes hand in hand with greater respect for privacy and data protection.

Responsibilities

• Supporting the operational run of your assigned squad
• Improving deployment and monitoring processes while keeping our technical stack updated
• Collaborating with product owners and UX/UI designers to develop new features
• Proposing technical and organizational improvements to enhance platform performance and maintainability

Requirements

• Collaborative mindset with strong teamwork and stakeholder communication skills
• Preference for Linux use (not mandatory)
• Familiarity with our tech stack (especially backend technologies like Python/FastAPI)
• Vue 3 knowledge is a plus but not required
• Open-source contributions experience is a bonus
• Ability to document and advocate for technical decisions

Benefits

• Fast onboarding with mentorship and cross-team rotations
• Global team collaboration via monthly "Happy Meetings"
• Freedom of speech and collaborative decision-making culture
• Social impact initiatives (1000mercis, Open Source contributions)
• Diverse, inclusive workplace (30+ nationalities, 97/100 gender equity score)
• Modern offices with amenities (library, music studio, pet-friendly)
• Remote work flexibility and international office mobility
• Swile meal vouchers, Gymlib access, and mystery lunches
• Support for people with disabilities

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IT/Security Compliance Manager

Numberly

Manager • Hybrid • Paris

Numberly est un leader mondial du Data Marketing, avec 500 collaborateurs et 8 bureaux dans le monde, servant des clients de premier plan comme L'Oréal, HSBC et Moleskine. Notre engagement pour une sécurité renforcée des données s'inscrit dans une approche vertueuse alliant compétitivité et respect de la vie privée. En tant que IT/Security Compliance Manager, vous piloterez la conformité IT et la gestion des risques, en soutien à notre certification ISO27001 et nos projets futurs (SecNumCloud, SOC2). Vous animerez un système de management de la sécurité des informations (SMSI) et participerez à des audits clients et formations internes.

Responsibilities

• Représenter la sécurité vis-à-vis des collaborateurs et clients
• Coordonner la gestion des risques IT et cyber
• Formaliser les contrôles de sécurité conformément aux normes (ISO27001, SOC2)
• Animer et améliorer le SMSI (Système de Management de la Sécurité de l'Information)
• Développer et suivre les formations sécurité (phishing, développeurs)
• Répondre aux audits clients et questionnaires de conformité
• Représenter Numberly lors de réunions de due diligence avec les clients

Requirements

• Expérience dans un poste de sécurité IT/Compliance ou similaire
• Participation à un audit ISO27001 ou SOC2
• Connaissance des environnements techniques internes (hébergement, développement)
• Excellentes compétences rédactionnelles et communicationnelles
• Maîtrise des outils DevSecOps et gestion des risques

Benefits

• Onboarding intensif avec mentorat et rotations inter-équipes
• Culture d'innovation (logiciels libres, infrastructure internalisée)
• Flexibilité hybride et possibilité de télétravail ponctuel
• Écosystème international (30+ nationalités, score équité genre 97/100)
• Bureaux innovants (studio de musique, bibliothèque, espaces animaux)
• Avantages : Swile, Gymlib, formations continues, mystery lunches
• Engagement RSE (1000mercis, Open Source)

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Software Engineer - Backend / Fullstack

Numberly

Numberly uses technology for marketing: we help clients better understand their customers by implementing systems to collect, analyze, and use data. With over 150 engineers (a third of Numberly's talents), we work in autonomous teams to ensure everyone can influence technical and organizational choices. The NMP team develops and maintains the Numberly MarTech Platform, a suite of applications for campaign management across digital channels like email, SMS, push notifications, and social media. We prioritize code quality, modern technical stacks, and efficient processes. We seek a curious, autonomous individual with backend experience to contribute quickly to our team.

Responsibilities

• Collaborating with a product owner and UX/UI designers to develop new features
• Improving platform performance and user experience
• Documenting technical changes and sharing progress with the team
• Monitoring advancements in tools and libraries
• Proposing technical and organizational improvements

Requirements

• Strong communicator able to explain complex ideas and listen actively
• Desire to grow personally and mentor others technically and professionally
• Confidence in making trade-offs to drive project progress
• Experience writing code and managing deployments
• Professional English proficiency (international teams)
• Preference for Linux use
• Familiarity with our technical stack (especially backend)
• Vue 3 knowledge (a plus)
• Open-source contributions (a plus)

Benefits

• Fast onboarding with mentorship and team rotations
• Monthly global team meetings (Happy Meetings)
• Freedom of speech and collaborative decision-making
• Social impact initiatives (1000mercis, Open Source contributions)
• Diverse workplace (30+ nationalities, 97/100 gender equity score)
• Modern offices with amenities (library, music studio, pet-friendly)
• Remote flexibility (up to 50% remote, 60-day consecutive remote option)
• Swile meal vouchers and international office mobility
• Perks like Gymlib, sports classes, themed parties
• Unlimited coffee/tea/infusions and mystery lunches

Apply Now