Senior Database Developer

4 dni temu

Polska, Województwo śląskie B2Bnetwork Zdalnie Pełny etat 180 000 zł - 280 000 zł Umowa

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