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Senior Data Integration Engineer (2/967)

Infolet
22 days ago
Remote
25,200 zł - 30,200 zł PLN yearly

SUMMARY

💰150 - 180 PLN/h on B2B

📍Remote or hybrid (Kraków)

🕐Project: 3 months

🧩 Working model: We offer a flexible engagement model – you can join us either full-time or part-time (20 hours per week). Working hours are flexible, allowing you to organize your schedule in a way that works best for you.

💼 Senior


PROJECT

We are looking for a Senior Data Integration Engineer to join a team responsible for a large-scale Customer & Partner Data Platform.


The platform integrates data from multiple enterprise systems, including ERP, CRM, ITSM, licensing, ticketing and legacy applications, and processes millions of records every day to support customer-facing solutions.


You will work with a mature integration ecosystem based primarily on Oracle Data Integrator, Oracle Database and PostgreSQL, taking ownership of existing data flows as well as designing and delivering new integrations.


YOU WILL

  • Design and develop end-to-end data integration flows across enterprise systems
  • Build and maintain ODI 12c mappings, procedures and load plans
  • Develop and enhance complex PL/SQL packages, procedures and database logic
  • Work with large-scale Oracle database environments, including staging and warehouse layers
  • Design and maintain PostgreSQL schemas, indexes and PL/pgSQL functions
  • Implement reliable data processing mechanisms including idempotency, error handling, transaction management and retry logic
  • Design and maintain REST-based integrations and callbacks
  • Lead data migrations including source profiling, data modelling, bulk loading, deduplication, validation and cut-over
  • Troubleshoot complex data issues and trace data lineage across multiple systems
  • Maintain and evolve a large existing integration codebase while ensuring stability and backward compatibility
  • Collaborate with teams working with Salesforce, APIs and downstream customer-facing applications


MUST HAVE

  • Strong commercial experience with PL/SQL, including:
    • packages and procedures
    • MERGE operations
    • JSON / JSON_TABLE
    • SAVEPOINTs and transaction management
    • autonomous transactions
    • structured exception handling
  • Strong hands-on experience with Oracle Data Integrator 12c
  • Very good knowledge of Oracle SQL, including analytical functions and complex data transformations
  • Good knowledge of PostgreSQL, including schemas, indexes, PL/pgSQL and JSONB
  • Experience designing and implementing REST integrations
  • Good understanding of data integration patterns, reliability, idempotency and error handling
  • Experience working with large and complex existing codebases
  • Ability to independently analyse data flows and troubleshoot integration issues


NICE TO HAVE

  • Salesforce experience, particularly External Objects and Heroku Connect
  • Experience with MuleSoft / DataWeave
  • Knowledge of Oracle REST Data Services (ORDS)
  • Experience with Heroku Postgres and Dynos
  • Python, Node.js or Java experience for monitoring, automation or API development
  • Experience with Oracle E-Business Suite
  • Exposure to Salesforce Data Cloud or BigQuery
  • Experience with Flyway, Git and AI-assisted development tools


OUR OFFER

  • Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport card; Life insurance