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Avenga

AI Data Engineer

Avenga

AI Engineer developing core engine for production AI assistant at Avenga. Evolving customer support capabilities from answering questions to executing customer requests in a regulated telecom environment.

Posted 7/11/2026full-timeRemote • CzechiaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AWSAzureCloudOpen SourcePythonTerraform

About the role

Key responsibilities & impact
  • Work on the core engine behind a production AI assistant
  • Focus on retrieval, LLM orchestration, and answer quality
  • Evolve AI-powered customer support from answering questions to executing requests
  • Safely perform actions like placing orders or activating services in a regulated telecom environment

Requirements

What you’ll need
  • 3+ years
  • Proficiency in building production Python services (async, API design)
  • Experience designing and building REST APIs (and consuming them)
  • Hands-on experience building RAG / retrieval-augmented generation systems (preferably LangChain, Langfuse, Llamaindex, FastAPI, Pydantic)
  • Experience with vector databases (e.g. Milvus, Pinecone, Weaviate, Qdrant, pgvector) and understanding of embeddings and similarity search
  • Evaluating and validating LLM output quality (Azure OpenAI)
  • Data ingestion and chunking/similarity search (for structured and unstructured data)
  • CI/CD pipeline expertise (preferably Github)
  • Familiarity with Infra as Code (Terraform) and API gateway
  • Cloud expertise (preferably AWS)
  • Writes automated tests as a habit (unit and integration testing with pytest)
  • AG/LLM open source or published eval work, a GitHub profile showing real projects is a plus

Benefits

Comp & perks
  • Equal opportunities in recruitment and career development
  • Fostering a work environment for diverse community

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Hard Skills & Tools
PythonAPI DesignRAG SystemsVector DatabasesData IngestionAutomated TestingUnit TestingIntegration TestingAsync ProgrammingSimilarity Search