Senior DB Architect - MSSQL to PostgreSQL, Hybrid AI

Meniga; Warszawa; Hybrid; PLN 246,000 - 324,000; Full time

Benefits offered by this job

Hybrid work model

Private healthcare

Meal & phone allowance

Job summary

Meniga in Warsaw is seeking a senior database engineer to own reliability end-to-end for production databases and lead architectural decisions. You will collaborate with platform teams to optimize schemas, tuning, and migrations while maintaining data integrity in a high-stakes banking environment.

You will work with MSSQL and consider PostgreSQL transitions, using Azure, Kubernetes, and other tools to keep databases fast, secure, and scalable. A strong focus on AI-enabled tooling is expected.

Qualifications

• MSSQL production-grade administration and performance tuning.
• PostgreSQL and ClickHouse are a big plus.
• Azure, Kubernetes, Terraform, Kafka, Fintech, ETL experience is valued.

Responsibilities

• Own database reliability end-to-end: performance, availability, backup/recovery, capacity planning across production systems.
• Drive schema and query design decisions with engineering squads.
• Lead performance tuning and troubleshooting on heavy database systems.
• Own migrations and upgrades, including MSSQL to PostgreSQL when appropriate.
• Maintain high engineering standards by reviewing schema changes and queries.

Skills

MSSQL

Performance tuning

Query optimization

Data integrity

Tools

Azure

Kubernetes

Terraform

Kafka

ClickHouse

Job description

Meniga in Warsaw is seeking a senior database engineer to own reliability end-to-end for production databases and lead architectural decisions. You will collaborate with platform teams to optimize schemas, tuning, and migrations while maintaining data integrity in a high-stakes banking environment.

You will work with MSSQL and consider PostgreSQL transitions, using Azure, Kubernetes, and other tools to keep databases fast, secure, and scalable. A strong focus on AI-enabled tooling is expected.