Application Support Engineer (Linux, SQL, Oracle)

ING; Katowice; On-site; PLN 9,000 - 21,000; Full time

Job summary

A leading financial technology firm in Katowice is seeking a Senior Engineer to optimize performance and ensure the reliability of applications. Responsibilities include performance debugging in Oracle databases, writing PL/SQL and SQL queries, and providing 24x7 support. Ideal candidates should have strong problem-solving and communication skills. This role offers competitive salary ranges between 9,600 and 21,000 PLN gross, with opportunities to work in a cutting-edge finance management environment.

Qualifications

• Experience with performance debugging and tuning in Oracle databases.
• Ability to write and optimize PL/SQL and SQL queries efficiently.
• Experience in application support in a 24x7 environment.

Responsibilities

• Perform performance debugging and tuning in Oracle databases.
• Write, review, and optimize PL/SQL and SQL queries.
• Develop and maintain shell scripts for automation and monitoring tasks.
• Manage applications at the OS level.
• Ensure compliance with DORA and IT risk management standards.

Skills

Oracle performance debugging

PL/SQL and SQL optimization

Shell scripting

Application performance monitoring

Problem-solving skills

Communication skills

Job description

ING Hubs Poland is hiring!

The expected salary for:

Senior Engineer: 9 600 - 21 000 PLN gross

Expert: 13 000 - 24 000 PLN gross

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

We are looking for you, if you:

• monitor and maintain application performance, ensuring high availability and reliability,
• manage an application on OS level,
• perform performance debugging and tuning in Oracle databases,
• write and optimize PL/SQL and SQL queries,
• you are able to analyze & solve problems efficiently,
• you are good at communication and are able to deliver results as promised,
• provide 24x7 application support on a rotational basis,
• develop and maintain shell scripts for automation and monitoring,
• ensure compliance with IT risk management and DORA (Digital Operational Resilience Act) framework,

You’ll get extra points for:

• understanding of accounting principles and financial processes.

Your responsibilities:

• perform performance debugging and tuning in Oracle databases,
• write, review, and optimize PL/SQL and SQL queries for efficiency and scalability,
• conduct SQL code optimization to improve system responsiveness,
• develop and maintain shell scripts for automation and monitoring tasks,
• implement solutions that reduce manual effort and enhance operational efficiency,
• provide 24x7 application support on a rotational basis to ensure continuous service availability,
• respond to incidents promptly, analyze root causes, and implement preventive measures,
• monitor and maintain application performance to ensure optimal availability and reliability,
• manage applications at the OS level , including troubleshooting and configuration,
• ensure the environment is secure, stable, and compliant with IT risk management standards,
• ensure adherence to DORA (Digital Operational Resilience Act) and IT risk management frameworks,
• maintain documentation and audit readiness for regulatory compliance.

Information about the squad:

Our squad supports application which is a cutting-edge finance management solution designed to centralize and streamline accounting processes across multiple entities and GAAP standards. It supports:

• multi-entity and multi-GAAP accounting with detailed balances in various currencies,
• end-to-end automation of accounting workflows, accelerating financial close and ensuring regulatory compliance,
• advanced features such as double-entry accounting, drill-down reporting, and configurable period-end processing.

The role naming convention in the global ING job architecture will be “Engineer III and IV”

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.