DevJobs

Data Scientist

Overview
Skills
  • SQL SQL
  • ML ML ꞏ 3y
  • NoSQL NoSQL
  • AWS AWS
  • Azure Azure
  • GCP GCP
  • AI ꞏ 3y
  • Vector Databases
  • RAG pipelines
  • OpenAI
  • MLOps
  • Mistral
  • LLMs
  • LLMOps
  • LlamaIndex
  • Llama
  • LangChain
  • Document Processing
  • Databricks
  • Cohere
  • Claude
  • Hybrid Search
  • Re-ranking
  • Semantic Search

About NAYA technologies:

We are a leading global provider of data platform and development professional services.

We are proud to be one of the fastest-growing data and development technology companies worldwide, based in Israel and we're hiring.


We are looking for a Data Scientist to join our data team and take a key role in building advanced AI solutions. The role combines classical ML, LLMs, and enterprise RAG systems, working with large and complex datasets.


Responsibilities:

  • Develop ML models in time series forecasting, regression, and classification.
  • Design and implement an enterprise RAG system integrated with LLMs.
  • Work on document chunking, multimodal data handling, and AI agents.
  • Process and analyze large-scale data from documents, databases, and APIs.
  • Work with Databricks on industrial use cases such as predictive maintenance, sales, and logistics forecasting.
  • Implement MLOps & LLMOps for training, deployment, and monitoring.
  • Optimize prompts, retrieval strategies, and grounding.


Requirements:

  • BSc in Computer Science / Data Science or equivalent experience.
  • 3+ years of experience in AI / ML.
  • Hands-on experience with LLMs (OpenAI, Llama, Mistral, Cohere, Claude).
  • Experience with Vector Databases and RAG pipelines.
  • Strong data engineering skills (SQL/NoSQL, document processing).
  • Experience with LangChain / LlamaIndex.
  • Cloud experience (AWS / GCP / Azure).
  • Advantage: Semantic / Hybrid Search, Re-ranking.
NAYA Technologies (part of EPAM Systems, Inc.)