Senior Data Engineer

Unleash Your Potential at L'Oréal's Beauty Tech!

Who Are We?

For 115 years, L’Oréal, the world’s leading beauty player, has devoted itself to one thing only: fulfilling the beauty aspirations of consumers around the world.

For more than a century, L’Oréal has devoted itself solely to one business: Beauty. Present in 150 countries across five continents and with €42 billion consolidated sales, L'Oréal is the global industry leader. With 37 global beauty brands across four divisions, L’Oréal offers beauty for each covering all beauty categories and catering to all beauty desires. With the acquisition of the Australian brand Aēsop in 2023, the Group continues to expand its portfolio through targeted acquisitions as part of its drive to create the future of beauty.

Today, L’Oréal includes more than 2,000 tech professionals and is constantly growing. Beauty Tech is changing the game and leading the shift towards new consumer realities and a digital disruption. Championing Beauty Tech, we invent the beauty of the future while becoming the company of the future.

Beauty Tech is how we know our consumers intimately, augmenting their beauty journeys with unparalleled diverse and sustainable experiences. Beauty Tech equips the Group with the key assets it needs to conquer this new world, where Tech has become strategic. With this ambition, L’Oréal continues to recruit diverse, innovative, skilled and passionate minds in different tech domains such as Data, Digital, Cloud, Cyber Security, IT Architecture, DevOps, Applications and Infrastructure.

A Day in the Life of SENIOR DATA ENGINEER

In this role, You will..

Be responsible for the following:

Lead the end-to-end delivery of high-quality, scalable data and software solutions within L’Oréal’s Beauty Tech Data Platform, ensuring technical excellence, innovation, and alignment with business needs while mentoring and empowering engineering teams

What are we looking for?

Advanced Technical Expertise

System Architecture: Design and implement large-scale, end-to-end data architectures on GCP.

Marketing API Ecosystems : Expert knowledge in designing and maintaining integrations with major advertising platforms, specifically:

Meta Marketing API: Managing automated ad management, custom audiences, and insights.

Google Ads API & DV360: Orchestrating complex bidding strategies and reporting at scale.

Amazon Ads API: Navigating retail media data structures and advertising consoles.

Advanced Programming: REST APIs, SQL, and noSQL databases ( Javascript including REACT is nice to have)

DevOps : Proficiency with Git version control, CI/CD principles, automated testing, infrastructure as code (e.g., Terraform), and monitoring/logging tools.

(Nice to have) Privacy Engineering: U nderstanding the impact of browser limitations (ITP, ATT) and privacy regulations (GDPR, Consent Mode) on data collection and measurement.

(Nice to have) Advanced Data Modeling : Slowly changing dimensions, data vault modeling , complex scenarios

(Nice to have) Experience with building GenAI-ready data architectures

Leadership & Mentoring

Lead and manage technical teams (task delegation, code review, constructive feedback).

Mentor junior and mid-level data engineers through cross-learning and peer programming.

Design and implement onboarding processes and ongoing training programs.

Provide technical and methodological guidance, coordinate implementations.

Strategic & Collaborative Skills

(Nice to have) Attribution & Measurement: Ability to translate complex business attribution rules (Post-click, Post-view, MMM) into technical data models.

Marketing Data Translation: Act as a bridge between marketing business requirements and technical API implementations, ensuring data mapping aligns with advertising KPIs.

Senior Agile Membership: Translate business needs into technical specs, estimate efforts, andparticipatein agile ceremonies.

Stakeholder Communication: Excellent business and technical communication with analysts, BI developers, and business stakeholders.

Risk Management: Identifyand manage risks (particularlyregardingAPI rate limits and data privacy), proactively alert the team.

Software Craftsmanship: Promote development practices,identifyand manage technical debt.

Product Vision: Support technical product vision, write technical user stories, and prioritize technical backlog with Product Owners.

Cross-functional Competencies

Build collective intelligence and foster team collaboration.

Analytical thinking and problem-solving

Full application lifecycle management.

Environmental impact awareness (nice to have).

CERTIFICATIONS

Nice to Have

GCP technical certifications.

ITIL processes certification.

Security or DevOps certifications.

Terraform certification.

SENIORITY

Experience: 7+ years in full-stack development, with significant experience managing high-volume data ingestion via third-party APIs.

Leadership: Minimum 2 years being a senior developer in projects, mentoring engineers, or making architectural decisions.

Portfolio: Complex projects showcasing expertise in scalable and reliable data solutions, specifically involving Marketing/AdTech stacks.

Technical Vision: Proven track record supporting and implementing technical visions for products.

Production at Scale: Extensive experience deploying and maintaining web applications and data pipelines in production.

What’s In It for You?

Working with cutting edge Technology, empowering employees with new age learning, global exposure, and opportunities to build future-ready careers.

A flexible and modern workplace, enabling teams to perform at their best through a smart hybrid model that supports balance and autonomy. A 3 Day in Office, 2 Day Work from Home setup.

Employee support at every life stage, with inclusive and progressive parental policies that help individuals and families thrive.

Holistic wellbeing offerings - personalized health benefits and strong mental wellness support to ensure employees feel their best.

Reward and Recognition opportunities, long-term incentives, and opportunities to share in L’Oréal’s collective success.

L'Oreal is an Equal Opportunity Employer and takes pride in a diverse environmen t

Good to know: The Recruitment Process

Interview with HR

Technical Interview

Interview with the hiring manager

We would love to find out more about you as a candidate and we do not discriminate in recruitment, hiring, training, promotion, or other employment practices. The beauty we find in our differences gives us the freedom to go beyond. That’s the beauty of L’Oréal.

You can apply to up to three jobs within a rolling 30-day window.

You cannot withdraw your application once you applied, so please make sure to choose a job that matches your dreams.

Please visit "Your Application Space" to see the jobs you have already applied to.

Please don’t create another account with a different email. If you do so, your account might be merged and your application record will be deleted.