Senior AI/ML/Data Engineer

QAVION GROUP

Senior AI/ML/Data Engineer building ML, NLP, LLM, and RAG solutions for QAVION’s consulting and technology boutique. Developing semantic search, GenAI services, and scalable data pipelines.

Posted 9/7/2026full-timeRemote • 🇩🇪 GermanySenior💰 €80,000 - €150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing, developing, and optimizing machine learning and deep learning models, with a strong focus on NLP solutions and scalable data pipelines. Proficient in building retrieval and knowledge layers for semantic search using advanced technologies.

Highest-signal resume keywords

Machine Learning Model DevelopmentDeep Learning Model OptimizationNatural Language Processing (NLP)Data Pipeline DevelopmentTensorFlow or PyTorch Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Machine LearningDeep LearningNatural Language ProcessingData EngineeringPython ProgrammingTensorFlowPyTorchApache SparkSQLETL Tools

Tools & Technologies

Graph DatabasesVector DatabasesEmbeddingsRetrieval-Augmented Generation (RAG)Semantic Search

Industry Keywords

AI EngineeringData ScienceComputer ScienceMathematicsPhysics

Tech Stack

Tools & technologies

ApacheETLPythonPyTorchSparkSQLTensorflow

About the role

Key responsibilities & impact

Design, development, and optimization of machine learning and deep learning models
Design, implementation, and optimization of NLP solutions, LLMs, and RAG architectures
Building retrieval and knowledge layers for semantic search using embeddings and vector or graph databases
Building, deploying, and operating ML and GenAI services
Building and operating scalable data pipelines

Requirements

What you’ll need

At least 7 years of professional experience as an AI/ML/Data Engineer
University degree in Computer Science, Mathematics, Physics, Data Science, or a comparable qualification
Several years of experience with programming languages such as Python
Strong expertise in developing and optimizing machine learning and deep learning models using TensorFlow or PyTorch
Extensive experience in NLP as well as LLM and RAG architectures
Professional experience building retrieval and knowledge layers for semantic search using embeddings and vector or graph databases
Very good knowledge of building and operating scalable data pipelines with Apache Spark or SQL and ETL tools

Benefits

Comp & perks

Base salary starting at €80,000, with profit-sharing of up to €70,000
Flexible working hours and remote work
30 days of vacation
IT equipment, such as an Apple MacBook
Regular team events
Corporate benefits, including company pension plans, company health insurance, shopping discounts, and employee discounts