Senior PostgreSQL Engineer – Big Data & Multi-Cloud

ipracujzdalnie.pl; Warszawa; On-site; PLN 200,000 - 280,000; Full time

Benefits offered by this job

Medical care

Insurance

Sports card

Job summary

ipracujzdalnie.pl in Warsaw seeks a Database Engineer focusing on PostgreSQL. You will work on data warehouses, large-scale datasets, and multi-cloud deployments in AWS and GCP, optimizing queries and managing MVCC aspects.

You will analyze execution plans, tune long-running processes, and use extensions like pg_stat_statements to identify bottlenecks, delivering robust, scalable data solutions for finance-grade applications.

Qualifications

• At least 5 years of experience in a similar role.
• Strong PostgreSQL knowledge and experience.
• Experience with structures containing billions of records and TBs of data.
• Ability to optimize long-running queries and processes.
• Familiarity with stored procedures and using them effectively.

Responsibilities

• Work on PostgreSQL-based projects, data warehouses and large data volumes.
• Co-develop banking applications for revenue management and stock reconciliation in a multi-cloud environment (AWS/GCP).
• Develop competencies in DWH, data integration and database solutions.
• Advance PostgreSQL engine management, MVCC and custom indexes (BRIN).

Skills

PostgreSQL

Python

SQL performance tuning

Data analysis

Production support (L2)

Query plans analysis

Stored procedures

English (B2/C1)

Tools

pg_stat_statements

BRIN indexes

AWS

GCP

Job description

ipracujzdalnie.pl in Warsaw seeks a Database Engineer focusing on PostgreSQL. You will work on data warehouses, large-scale datasets, and multi-cloud deployments in AWS and GCP, optimizing queries and managing MVCC aspects.

You will analyze execution plans, tune long-running processes, and use extensions like pg_stat_statements to identify bottlenecks, delivering robust, scalable data solutions for finance-grade applications.