5 days ago
Boulogne-Billancourt, FranceMid Level / Senior
Responsibilities
- Design and maintain ETL/ELT data pipelines for collecting, cleaning, transforming, and scaling data processing.
- Develop, fine-tune, evaluate, and improve NLP models for classification, entity extraction, translation, and related tasks.
- Implement and optimize RAG architectures using external data sources and vector knowledge bases.
- Deploy, adapt, and optimize LLMs for chatbots, text generation, sentiment analysis, and other business applications.
- Collaborate with DevOps teams to deploy AI solutions using Docker, Kubernetes, and production automation practices.
- Implement automated tests, document architectures and processes, monitor model performance, and contribute to technology research and innovation.
Requirements
- Bac+5 education in computer science or an engineering school.
- 2 to 5 years of Python development experience with specialization in Data Science, NLP, RAG, or LLM projects.
- Strong command of Python and associated libraries including TensorFlow, PyTorch, Hugging Face, LangChain, and LlamaIndex.
- Experience with NLP, text processing, and model fine-tuning.
- Knowledge of RAG architectures, vector databases, and semantic search.
- Experience deploying, optimizing, and evaluating LLMs.
- Knowledge of Data Engineering tools such as Spark and Airflow and of DevOps/MLOps practices.
- Experience with AWS, Azure, or GCP cloud environments.
Benefits
- Permanent employment contract.
- Position located in Île-de-France.
- Professional development and continuous skills-building support.
- Dynamic culture with company events, solidarity initiatives, innovation webinars, and challenges.
- Alten is certified Top Employer and promotes projects connected to sustainability and innovation.
Tech Stack
Apache AirflowApache KafkaApache SparkAWSAzureDockerGitGoogle Cloud PlatformKubernetesMLflowMongoDBMySQLNLTKPostgreSQLPythonPyTorchscikit-learnspaCySQLTensorFlow
Categories
About ALTEN
ALTEN provides engineering and IT services, including R&D outsourcing, product development, and digital systems consulting for major industrial and service-sector companies. Founded in 1988 and headquartered in Boulogne-Billancourt, France, it operates in 30+ countries and is publicly traded on Euronext Paris. Revenue model based on consulting engagements, managed services, and turnkey project delivery across sectors such as aeronautics, automotive, telecom, energy, finance, and life sciences.