Database Developer (SQL) (PX)

Confidential

Prague, Praha, Hlavní město, Czechia permanent

Posted: January 30, 2026

Required Skills

Job Description

As a Database Engineer (SQL), you will play a key role in designing, optimizing, and scaling our database infrastructure. You will collaborate closely with engineers, data analysts, and product teams to improve the current database architecture and build new high-performance, scalable, and secure databases tailored to our business needs.

• Design, develop, and optimize highly scalable database architectures with a focus on PostgreSQL.

• Lead the migration, optimization, and restructuring of existing databases to ensure efficiency and scalability.

• Implement and enforce database best practices, including indexing, partitioning, query optimization, and normalization.

• Define and execute high-availability and disaster recovery strategies.

• Work closely with engineering teams to ensure efficient database schema design and support the development of new features.

• Monitor and troubleshoot database performance, identifying and resolving bottlenecks.

• Ensure data security and compliance with industry standards, implementing encryption, access control, and auditing policies.

• Optimize stored procedures, triggers, and functions for maximum efficiency.

Technology Stack:

• Database: PostgreSQL (Primary), AWS RDS, SQL.

• Big Data & ETL: Apache Kafka, Airflow, dbt, Snowflake (nice to have).

• Performance Optimization: Indexing, Partitioning, Query Optimization, Caching.

• Security: Data Encryption, Role-Based Access Control (RBAC), Auditing.

• Tools & DevOps: Liquibase, Flyway, Terraform, Kubernetes (for DB management).

• Scripting & Programming: SQL, PL/pgSQL, Python, Bash.

• Methodologies: Agile, Scrum.

What we can offer:

• Meaningful work & impact - Your solutions will shape Param Group’s AI strategy and directly influence our products and internal processes.

• Flexibility - Fully remote; an office is available if you’re near one of our locations.

• Learning culture - Work alongside fintech experts, experiment with new tech, and keep growing.

• Modern tech stack - AWS, PostgreSQL, Kafka, Airflow, dbt, Snowflake, and more.

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