Senior PostgreSQL Data Engineer – Real-Time Finance

Inetum; Warszawa; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Training funded

Certifications funded

Conference participation

Diversity & inclusion

Job summary

Inetum Polska is seeking an experienced Senior PostgreSQL / Data Engineer to build a high-performance data platform for financial markets. You will work on large-scale PostgreSQL environments, supporting real-time data processing with about 40 million messages daily.

The role focuses on design, development, optimization, and integration with messaging systems like RabbitMQ, ensuring high availability and scalability in a demanding financial setting.

Qualifications

• Strong commercial experience with PostgreSQL.
• Excellent knowledge of PostgreSQL architecture and table partitioning.
• Experience with ETL, large-scale data and Big Data environments.
• Fluent Polish and English.

Responsibilities

• Design, develop and optimize a high-performance data platform.
• Ensure near real-time data updates for downstream teams.
• Collaborate across teams handling multi-currency data and high message volumes.

Skills

PostgreSQL expertise

PostgreSQL architecture

Table partitioning

Indexing & query optimization

Index types (B-tree, Hash, GiST, GIN,)

ETL processes

Big Data / large-scale data

Linux

Performance-critical DB

Polish (Fluent)

English (Fluent)

Python

Kafka / RabbitMQ

CI/CD

Real-time data processing

Finance domain knowledge

Job description

Inetum Polska is seeking an experienced Senior PostgreSQL / Data Engineer to build a high-performance data platform for financial markets. You will work on large-scale PostgreSQL environments, supporting real-time data processing with about 40 million messages daily.

The role focuses on design, development, optimization, and integration with messaging systems like RabbitMQ, ensuring high availability and scalability in a demanding financial setting.