October 9, 2026

AppOps

Mid • On-site

110 - 150 PLN/yr

Warsaw, Poland

Key Responsibilities:Supporting application and Data Center migration projects, including preparation, testing, and migration to new environments.Administration, configuration, and maintenance of applications supporting payment transactions and card issuing processes.Monitoring application environments and ensuring their stability, performance, and availability.Diagnosing and resolving incidents and technical issues to support business continuity.Reviewing and implementing changes in production environments.Working closely with Application & Middleware teams, Project Managers, and other technical teams.Supporting infrastructure and access configuration and helping resolve technical blockers during migrations.Maintaining up-to-date technical documentation in Confluence.What We’re Looking For:Experience as an Application Administrator, AppOps Engineer, or in a similar role.Experience with application or Data Center migration projects.Good knowledge of PL/SQL or T-SQL.Practical experience with Perl, PowerShell, Shell, Bash, or Python.Strong troubleshooting and problem-solving skills.Understanding of application availability, performance, monitoring, and resilience.Good understanding of networking, load balancing, and TLS.Good command of Polish and English, both written and spoken.Strong communication and collaboration skills, with the ability to work with international technical teams.

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