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Senior Database Developer (Oracle / PL/SQL / ETL) (f/m/x)
Компания: B2Bnetwork
Город: Polska
Удалённо
We are looking for a Senior Database Developer to join a project in the energy sector, focusing on the development, optimization, and maintenance of Oracle databases and ETL/ELT processes. About the Project The project involves developing new business initiatives and maintaining Oracle databases in accordance with SLA requirements. The scope includes ETL/ELT processes within Oracle and Big Data environments, as well as code optimization, refactoring, and performance improvements. Cooperation Details Contract: B2B Work model: 100% Remote Start date: December 1, 2026 Duration: 12 months Your Responsibilities Maintaining and developing Oracle databases and ETL/ELT processes Developing applications using Oracle APEX Optimizing databases, SQL queries, and PL/SQL code Diagnosing and resolving database incidents Managing source code and database changes using Git and Flyway Participating in CI/CD processes, code reviews, integration testing, and UAT Creating and maintaining documentation of database structures and processes Requirements Hands-on experience with Oracle databases Strong programming skills in PL/SQL Experience designing and implementing ETL/ELT processes Experience orchestrating workflows using Apache Airflow Experience with version control using Git Experience managing database changes using Flyway or Liquibase Ability to optimize and debug complex SQL queries and PL/SQL procedures Experience in code reviews, refactoring, and database performance optimization Practical experience using AI-powered development tools Professional experience in the energy sector Nice to Have Knowledge of Oracle APEX Experience with Python Familiarity with Azure DevOps Knowledge of Hadoop Experience with Apache Spark Knowledge of HBase Knowledge of Cassandra Experience with Java What We Offer Private medical healthcare Sports activities co-financing Comprehensive administrative support, from documentation to onboarding Recruitment process Application review Interview Hiring decision