PostgreSQL DB Engineer - Data Integrations & ETL

Billennium; Polska; Presencial; PLN 120 000 - 180 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Udemy for Business

Private medical care

Multisport card

Vet package

Language lessons

Shopping vouchers

Annual Mazury event

Welcome pack

Resumo da oferta

Billennium is seeking a Database Developer to design, implement and optimize the database layer for enterprise solutions. You will collaborate with Data Modellers, Solution Architects, and developers to deliver scalable, high-performing database components.

You will work in an agile environment, building robust schemas, tuning performance, and maintaining data integrations across connected systems. A strong focus on data quality and documentation is expected.

Qualificações

• Experience with PostgreSQL development and performance tuning.
• Designing and optimizing schemas, queries, indexes, and database logic.
• Experience with semi-structured data, especially JSONB.
• Experience building API-based integrations.
• Understanding ETL/ELT processes and data integration patterns.
• Strong problem-solving skills in agile teams.
• Good communication with cross-functional stakeholders.

Responsabilidades

• Implement physical database designs in PostgreSQL based on specifications from Data Modellers and Solution Architects.
• Develop, optimize, and maintain database objects incl. schemas, queries, indexes, functions, and stored procedures.
• Work with semi-structured data, using JSONB for performance.
• Design, build, and maintain integrations with connected systems via APIs and ETL/ELT processes.
• Ensure data quality, consistency, reliability, and performance across integrated solutions.
• Support testing, deployment, troubleshooting, and ongoing enhancement of database components.
• Create and maintain technical documentation for database structures and integration logic.
• Follow enterprise architecture and data modeling standards defined by project stakeholders.

Conhecimentos

Database design

Performance tuning

Data integration

Agile delivery

Problem solving

Communication

Ferramentas

PostgreSQL

JSONB

APIs

ETL/ELT

Descrição da oferta de emprego

Billennium is seeking a Database Developer to design, implement and optimize the database layer for enterprise solutions. You will collaborate with Data Modellers, Solution Architects, and developers to deliver scalable, high-performing database components.

You will work in an agile environment, building robust schemas, tuning performance, and maintaining data integrations across connected systems. A strong focus on data quality and documentation is expected.