Oracle Database Developer

Quick Facts

• Contract type: B2B

Description

You will design, implement, and optimize Oracle-based ETL/ELT processes for Big Data environments, including database performance monitoring and troubleshooting. The role also includes building applications using Oracle APEX, ensuring security and data integrity compliance, and optimizing complex PL/SQL queries and procedures. You will manage database code with Git and Flyway/Liquibase, participate in CI/CD and testing (integration and UAT), and document database structures and processes.

Responsibilities

• Maintain and implement ETL processes in Oracle and Big Data environments

• Design, implement, and optimize ETL/ELT workflows

• Build applications using Oracle APEX

• Monitor and optimize database and processing performance

• Ensure solutions comply with security and data integrity requirements

• Diagnose and resolve data-layer incidents

• Optimize performance of processes, queries, and PL/SQL procedures

• Maintain code quality and compliance with corporate and internal code standards

• Manage source code in Git with Flyway

• Support integration testing and UAT

• Collaborate with analysts and testers during delivery

• Participate in CI/CD: code reviews, deployments/fixes, repository maintenance, and Git branch maintenance

• Document database structures and processes

Requirements

• Very good knowledge of relational databases (preferred Oracle)

• Advanced PL/SQL knowledge: transactions, AQ, XML/JSON processing, partitioning, and data versioning

• Experience designing and implementing ETL solutions

• Experience with ETL orchestration tools (preferred Apache Airflow)

• Ability to write, optimize, and debug complex PL/SQL scripts

• Knowledge of code versioning tools (Git, Flyway, Liquibase)

• Teamwork skills and ability to work with an external client

• Experience actively using AI tooling support

• Minimum 3 years of experience as an Oracle database developer

• Higher education

Benefits

• Attractive compensation and stable employment

• Diverse team

• Modern international working environment

• Opportunity to work with experts across different domains

• Participation in large, innovative projects

• Access to modern tools and working methods