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About the Role
RATP Smart Systems is seeking a Data Engineer to join their Data team. You will play a key role in implementing, evolving, and monitoring Big Data processes, as well as creating and maintaining business dashboards. You will work in a technical environment combining on-premise and Cloud infrastructures, intervening across the entire data lifecycle: ingestion, transformation, orchestration, supervision, optimization, and provisioning. Your work will directly contribute to the development of intelligent and sustainable solutions for urban mobility.
Responsibilities
- Design, develop, supervise, optimize, and maintain data ingestion pipelines for Data and Machine Learning applications.
- Work on on-premise and Cloud infrastructures, contributing to their evolution and reliability.
- Ensure the performance and robustness of functionalities and tools developed within the Data platform.
- Collaborate with DevOps teams to improve deployment, supervision, and operational maintenance practices.
- Maintain and develop business dashboards using Data Visualization tools such as Power BI and Tableau.
- Contribute to the operational maintenance (MCO) of Big Data applications and participate in incident resolution.
- Participate in financial flow management and reporting to facilitate activity monitoring and decision-making.
- Collaborate with Data Scientists, Data Analysts, DevOps teams, and other stakeholders in the Data department.
- Contribute to the continuous improvement of architectures, processes, and development practices.
Requirements
- A higher education degree in computer science (Bac+3 to Bac+5).
- At least 2 years of experience in the Data field.
- Proficiency in Scala and Python languages.
- Good command of SQL, particularly for advanced queries.
- Knowledge of Git and CI/CD practices.
- Experience with Apache Spark and PySpark.
- Familiarity with ETL principles and treatment orchestration with Airflow.
- Experience with Cloud environments, particularly Azure and AWS.
- Experience with relational databases.
- Knowledge of Big Data environments for processing cold data with Spark and managing hot data with Kafka.
- Proficiency or experience with Data Visualization tools such as Power BI and Tableau.
- Interest in data quality, performance, supervision, and reliability.
- Ability to work autonomously while actively contributing to team dynamics.
- Clear communication and enjoyment of collaboration with diverse profiles.
- Rigor in the design, monitoring, and documentation of processes.
- Curiosity and desire to understand business challenges related to data.
- Proactive and willing to contribute to the improvement of tools and practices.
- Adaptability to evolving environments and challenging technical problems.
- Desire to contribute to impactful projects serving millions of travelers.
- Involved and constructive personality.
- Attentive to data quality and reliability.
- Curious about new technologies and Data world evolutions.
- Rigorous in the design and monitoring of processes.
- Comfortable with teamwork.
- Motivated by the concrete impact of useful solutions for travelers and operators.
Skills
- Scala
- Python
- SQL
- Git
- CI/CD
- Apache Spark
- PySpark
- ETL
- Airflow
- Azure
- AWS
- Relational Databases
- Big Data
- Kafka
- Power BI
- Tableau
- Data Visualization
Location
- Paris 12e - Gare de Lyon - Maison de la RATP
Work Type
- CDI
- Temps plein
- Hybrid (2 jours minimum de présentiel par semaine)
Experience Level
- 2 years of experience in Data
Education Level
- Bac+3 to Bac+5 in computer science
Salary/Compensations
- 40 K€ to 50 K€ gross annual fixed salary
- Variable remuneration based on objectives
Benefits
- Up to 9 weeks of leave and RTT per year
- Flexible remote work policy
- Meeting-free Wednesday afternoons
- Right to disconnect
- 75% coverage of transport pass
- Numerous sports, cultural, and leisure offers via the CSE
- HR policy focused on health and inclusion (PMA, endometriosis, miscarriages)
- Employee leave donation
- Annual half-day for volunteer or civic action
About the Company
- RATP Smart Systems is a private subsidiary of the RATP group, created in 2010, dedicated to transforming and optimizing urban transport networks with intelligent and sustainable solutions.
- Our expertise is based on a deep understanding of mobility challenges and a constant drive for innovation.
- We are committed to digitizing the traveler and operator experience through ticketing, SAEIV (Driver Assistance and Passenger Information System), and MaaS (Mobility as a Service) solutions.
- We work with local authorities and operators to facilitate access to daily transport.
- We manage the world's largest multimodal network, including the ticketing system for Paris and its suburbs, handling over 12 million transactions daily.
- By combining cutting-edge technology and a traveler-centric approach, we aim to improve the efficiency and attractiveness of public transport systems.
- Our mission: to contribute daily to smoother, simpler, and smarter mobility.
- We maintain a high standard of quality, innovation, and trust in our relationships with clients and users.
Equal Opportunity
- All our jobs are open to people with disabilities.