Oracle/PostgreSQL Database Developer

Experis Manpower Group; Województwo mazowieckie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Medicover healthcare package

Multisport card

Group life insurance

Job summary

Experis Manpower Group is seeking an experienced Oracle/PostgreSQL Database Developer to support the design, development, and maintenance of enterprise reference data solutions. The role offers a mostly remote work model with periodic presence in the Warsaw office.

Key requirements include 2+ years of experience, strong Oracle and PostgreSQL skills, data modeling expertise, and hands-on SQL/PL/SQL, migrations, and data transformations.

Qualifications

• 2+ years of experience in Oracle/PostgreSQL development.
• Strong experience with Oracle Database and PostgreSQL.
• Solid understanding of relational data modeling and design.
• Hands-on experience with SQL, PL/SQL, migrations and transformations.
• Experience designing and maintaining reference data and conversion tables.
• Knowledge of data integration and data quality management.

Responsibilities

• Analyze and validate data structures in Oracle and PostgreSQL.
• Design, develop and maintain conversion tables and reference data dictionaries.
• Define and implement new data attributes and structures.
• Ensure data consistency, quality and integrity across solutions.
• Prepare and execute data migration, export and transformation processes.
• Support project teams in data management and integration activities.
• Participate in requirements analysis and changes for reference data management.
• Collaborate with architects, analysts, developers and stakeholders.

Skills

Oracle DB

PostgreSQL

SQL

PL/SQL

Data modeling

Data migrations

Data transformations

Data quality

Data integration

CSV processing

Requirements analysis

Attention to detail

Collaboration

Job description

Oracle/PostgreSQL Database Developer

• 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