Oracle/PostgreSQL Database Developer

Oracle/PostgreSQL Database Developer
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Start: ASAP / within 1 month / flexible
• Work Model: Mostly remote, up to 8 days per month in the Warsaw office
• Contract Type: B2B via Experis
We are looking for an experienced Oracle/PostgreSQL Database Developer to support the design, development, and maintenance of enterprise reference data solutions.
Key Requirements:
• Min 2 years of experience.
• Strong experience with Oracle Database and PostgreSQL
• Solid understanding of data modeling and relational database design
• Hands-on experience with SQL, PL/SQL, data migrations, and data transformations
• Experience designing and maintaining reference data and conversion tables
• Knowledge of data integration and data quality management principles
• Experience with data export, transformation, and CSV processing
• Ability to analyze business requirements and translate them into technical solutions
• Strong analytical skills, attention to detail, and collaborative mindset

Responsibilities:
• Analyze and validate data structures and data models in Oracle and PostgreSQL environments
• Design, develop, and maintain conversion tables and enterprise reference data dictionaries
• Define and implement new data attributes and structures
• Ensure data consistency, quality, and integrity across reference data solutions
• Prepare and execute data migration, export, and transformation processes
• Support project teams in data management, integration, and processing activities
• Participate in requirements analysis and implementation of changes related to reference data management
• Collaborate with architects, analysts, developers, and business stakeholders

What We Offer:
• B2B contract via Experis
• Medicover healthcare package
• Multisport card
• Group life insurance