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Data Scientist

Apprize Technology Solutions
Cracow, Małopolskie, Poland
Contract
AI tools:
Azure Machine Learning
Azure AI Studio
Azure OpenAI Service
LangChain
LlamaIndex

Core Programming & Tools

* Hands-on experience building and deploying ML models on large-scale production datasets

* Strong programming proficiency in Python with production-quality, well-structured code

* Proficient in SQL; experience working with large-volume datasets in Spark and/or Snowflake

* Experience with Git for version control, code review, and collaboration

* Familiarity with experiment tracking and model versioning (e.g., MLflow)

Classical ML & Statistical Modeling

* Time series forecasting (ARIMA, Prophet, deep learning approaches)

* Optimization modeling (linear programming, mixed-integer programming)

* Classification, regression, clustering, and ensemble methods

* Feature engineering, data wrangling, and statistical analysis on structured data

LLM Application & AI Agent Development

* AI Agent development: experience building agentic frameworks using Azure AI Studio and Azure model endpoints, including tool-use patterns and multi-step orchestration

* RAG pipeline development: document ingestion/chunking, vector embedding/indexing (Azure AI Search), and response generation using LLM endpoints

* Prompt engineering and chain-of-thought design for complex supply chain workflows

* Experience with orchestration frameworks like LangChain or LlamaIndex

Azure & Production Delivery

* Familiar with core Azure resources: Azure Machine Learning, Azure AI Studio, Azure OpenAI Service, and Azure storage/compute

* Experience delivering production-ready models with proper testing, validation, and monitoring

* Basic UI skills (Streamlit or Gradio) for quick prototyping and demos

Work Style

* Highly self-motivated, collaborative, and able to deliver in a fast-paced environment

* Able to start contributing within 1-2 weeks with minimal ramp-up

Nice to Have

* Supply chain domain experience (demand forecasting, inventory optimization, logistics, etc.)

* Familiarity with ERP data structures (Oracle, SAP)

Applications go to the hiring team directly