Senior Software Engineer – Data Platforms & AI

Harvey Nash Technology WARSZAWA 2026-08-19

Senior Software Engineer – Data Platforms & AI | Hybrid (3 days/week from office), Fintech

You will:

  • Develop, test and maintain high-quality, production-ready code
  • Demonstrate technical leadership by taking charge of cross-team projects
  • Create libraries and frameworks that underpin reliable and testable systems
  • Work across modern cloud-based data platforms

You bring:

  • 5+ years of experience with strong hands-on skills in Java, Kubernetes and cloud-native technologies
  • Experience building and maintaining large-scale data pipelines and distributed processing systems (Spark, Snowflake, Databricks)
  • Exposure to Gen AI/ML-based applications, with experience in Gen AI frameworks such as LangChain and LangGraph, and LLM model applications being a plus
Requirements: Java