Join our talent network at i2i Systems!

i2i Systems is an international information technology company that specializes in developing innovative ideas and solutions. With our highly experienced team in the Telecommunications industry, we offer a diverse variety of products in Telco OSS/BSS domains, as well as 5G network solutions.

We are looking for a talented ODI (Oracle Data Integrator) ETL Developer to join our experienced development team. Fill out the application form if you’re a motivated and driven person who seeks the opportunity to advance in the telecom sector!

ODI (Oracle Data Integrator) ETL Developer Job Opening (Hybrid) (DWH-001)


The ODI ETL Developer will be involved in the development of our client’s end-to-end DWH projects from the Technical Analysis, development and testing steps to the development of the optimal solution in compliance with standards.

This is a hybrid working model supporting a mix of in-office and remote days. Our office for this role is located in Kurtköy, Istanbul.

Reports To:

This position reports directly to the BI Group Manager and requires extensive collaboration with:

  • Architecture Team to support the continuous review and improvement of software development processes to maximize the quality of product/project
  • Testing team to review and approve internal test documents and to support them

ODI (Oracle Data Integrator) ETL Developer Responsibilities:

  • Participate in the development, testing and operations of an end-to-end DWH project
  • Establishment of data warehouse analysis, design and design processes
  • ETL design, analysis and development, data accuracy and consistency analysis
  • Performing performance improvement studies and carrying out maintenance operations in ETL processes
  • Perform data analysis, logical and physical data modeling design for business intelligence, analytical projects and requests
  • Impact analysis
  • Data quality
  • Preparation of all necessary documentation (operation, deployment, etc.)

ODI (Oracle Data Integrator) ETL Developer Requirements:

  • Graduated from Computer Engineering, Software Engineering, Mathematical Engineering, MIS, Statistics etc.
  • At least 1-2 years of experience in Data Warehouse, Business Intelligence
  • Experienced in ODI (Oracle Data Integrator) ETL
  • Have SQL/PLSQL and ETL knowledge at a level to write code on Oracle/PostgreSQL/MSSQL for data preparation and manipulation, read queries and detect problems, and perform performance improvement and optimization studies.
  • Knowledge of data management, data quality, deduplication, data integration, data architecture
  • Knowledge of relational and dimensional Data Modeling processes
  • Preferably proficient in Python and R technologies
  • Inclined to team work, high personal motivation
  • Closely following technology and innovations
  • Strong problem solving skills
Please feel free to send your CV via email to, even if the specific position you are seeking is not currently listed.

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