Application Support Engineer

Infosys; Helsinki; On-site; EUR 45,000 - 65,000; Full time

Job summary

Infosys in Helsinki, Finland is seeking an Application Support Engineer to maintain, troubleshoot, and enhance enterprise applications built on PHP, JavaScript, JBoss, PL/SQL, and Windows platforms.

You will focus on production stability, incident resolution, environment support, deployment assistance, scripting automation, and database troubleshooting across complex systems. Collaboration across teams is essential.

Qualifications

• Experience in application support and incident management.
• Hands-on experience with PHP, JavaScript, JBoss, PL/SQL, and Windows-based platforms.
• Ability to work across application, middleware, database, and operating system layers.

Responsibilities

• Provide ongoing support, maintenance, troubleshooting, and enhancement for enterprise applications.
• Ensure production stability, resolve incidents, and support environments throughout the software lifecycle.
• Assist with deployments and automation scripting to improve operational efficiency.
• Troubleshoot database issues and work across application, middleware, database, and operating system layers.
• Collaborate with cross-functional teams to address outages and drive problem resolution.

Skills

Incident management

Application support

Cross-functional collaboration

Tools

PHP

JavaScript

JBoss

PL/SQL

Windows platforms

Job description

Overview

We are seeking a proactive and technically strong Application Support Engineer to support, maintain, troubleshoot, and enhance enterprise applications built on PHP, JavaScript, JBoss, PL/SQL, and Windows-based platforms. The role focuses on production stability, issue resolution, environment support, deployment assistance, scripting automation, and database troubleshooting across business-critical systems. The ideal candidate will have strong experience in application support and incident management, with the ability to work across application, middleware, database, and operating system layers. Exposure to future technologies such as Kafka, MariaDB, and Cassandra will be considered a strong advantage as the application landscape evolves.

Responsibilities

• Provide ongoing support, maintenance, troubleshooting, and enhancement for enterprise applications.
• Ensure production stability, resolve incidents, and support environments throughout the software lifecycle.
• Assist with deployments and automation scripting to improve operational efficiency.
• Troubleshoot database issues and work across application, middleware, database, and operating system layers.
• Collaborate with cross-functional teams to address outages and drive problem resolution.

Qualifications

• Experience in application support and incident management.
• Strong hands-on experience with PHP, JavaScript, JBoss, PL/SQL, and Windows-based platforms.
• Ability to work across application, middleware, database, and operating system layers.
• Familiarity with scripting automation and environment support processes.
• Exposure to Kafka, MariaDB, and Cassandra is a plus.