SQL/ Data Integration Developer

2 days ago

Netanya Center District, Israel Unilink Ltd. Full time

SQL / Data Integration Developer

Key Responsibilities

  • Design, develop, maintain, and optimize ETL processes and data flows between systems and databases
  • Write and execute advanced SQL queries, including complex joins, subqueries, aggregations, and data transformations
  • Build data mapping, cleansing, validation, and enrichment processes across multiple data sources
  • Develop and manage Apache NiFi flows for data ingestion, processing, and routing
  • Integrate data between systems using Oracle, ClickHouse, and external data sources
  • Work closely with system analysts, QA, front-end teams, and business stakeholders
  • Troubleshoot issues, improve performance, and support ongoing data processes, including periodic on-call rotations

Mandatory Requirements

  • At least 1 year of experience in
    ETL development
    or
    Data Integration
    processes
    - Must
  • Solid experience working with
    Linux environments and CLI - Must
  • Strong
    SQL
    skills, including complex joins, subqueries, aggregations, and transformations
    - Must
  • Experience in
    SQL
    query and data pipeline performance optimization
    - Must
  • Hands-on experience with
    Apache NiFi
    and data flow development
    - Must
  • Experience working with ClickHouse
  • Experience with
    Data Integration platforms, MFT systems
    , or large-scale data transfer processes
    - Must

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