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ALTEN Mexico

Engineering and technology consulting services

Data Engineer / Sciences: RAG NLP LLM

Natural Language Processing & LLMsPosted on Nov 6
Full-timeBoulogne-Billancourt, France€45k - €60k /yrIn-person

About the Job

Requirements

  • A Bac+5 qualification in computer science or education from an engineering school is required.
  • Two to five years of Python development experience specializing in Data Science, NLP, RAG, or LLM, with concrete projects, is required.
  • Proficiency in Python and associated libraries including TensorFlow, PyTorch, Hugging Face, LangChain, and LlamaIndex is required.
  • Experience in NLP, including text processing and model fine-tuning, is required.
  • Knowledge of RAG architectures and related tools, including vector databases and semantic search, is required.
  • Experience deploying, optimizing, and evaluating LLMs is required.
  • Knowledge of data engineering tools such as Spark and Airflow, and DevOps/MLOps best practices, is required.
  • Experience with cloud environments such as AWS, Azure, or GCP is required.

Responsibilities

  • Design and maintain ETL/ELT pipelines to collect, clean, and transform data.
  • Automate large-scale data processing and optimize pipeline speed, scalability, and reliability.
  • Develop NLP models for tasks such as classification, entity extraction, and machine translation.
  • Fine-tune pre-trained language models such as BERT and T5, and evaluate and improve NLP model quality.
  • Implement Retrieval-Augmented Generation architectures that enrich LLM responses with external data.
  • Integrate vector knowledge bases such as Pinecone, Weaviate, and FAISS, and optimize RAG relevance and speed.
  • Deploy and optimize LLMs for business applications, adapt them to specific use cases such as chatbots, text generation, and sentiment analysis, and work on model energy efficiency and scalability.
  • Collaborate with DevOps teams to deploy solutions to production using Docker, Kubernetes, and CI/CD.
  • Participate in automated testing to validate model performance.
  • Document processes, architectures, and results.
  • Track developments in NLP, RAG, and LLM, and propose innovations to improve existing systems.
  • Participate in workshops or training to build skills.

About the Company

ALTEN Mexico

Engineering and technology consulting services

ALTEN Mexico provides engineering and technology consulting services by supplying highly specialized engineers who embed within client teams to work on complex projects. The way it works is by offering a flexible pool of talent for research and development needs, allowing clients to access experts without committing to permanent hires. The company differentiates itself through a focus on embedded engineering consultants, serving sectors like telecommunications, aerospace, and information systems, and by expanding its reach via organic growth and acquisitions across Europe and globally. Its goal is to help clients access top engineering expertise efficiently while growing the business through deliberate geographic and service expansion.

Company size
Not listed
Company stage
IPO
Headquarters
Boulogne-Billancourt, France
Founded
1988

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