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September 2, 2026
Middleware Engineer
Mid • On-site
130 - 150 PLN/yr
Warsaw, Poland
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Tasks
- Perform the role of Middleware Engineer for an application migration initiative within a large data center migration program.
- Support applications serving payment card acceptance/acquiring and issuer processor business processes.
- Work within a three-tier architecture environment and support an extensive middleware layer critical for service migration.
- Collaborate closely with the FTS Application & Middleware Team to execute BAU tasks.
- Work with Project Managers to drive build, testing and migration activities, including preparing and placing infrastructure build, configuration or access requests and removing blockers.
- Diagnose and solve technical issues.
- Monitor environments for performance and reliability.
- Produce and maintain high-quality live documentation in Confluence.
Requirements
- Experience with application migrations and understanding of challenges related to data center migration.
- Knowledge of BMC Control-M.
- Knowledge of Oracle Application Express (APEX).
- Knowledge of Oracle Data Integrator 12c.
- Knowledge of Oracle Internet Directory 11g/12c.
- Knowledge of Oracle Forms 11g/12c.
- Knowledge of Oracle Reports 11g/12c.
- Knowledge of Oracle REST Data Services (ORDS).
- Knowledge of Oracle Service Bus 11g/12c.
- Knowledge of Oracle WebLogic 11g/12c.
- Strong PL/SQL skills.
- Scripting skills in Perl, PowerShell, Shell, Bash or Python.
- Experience with Rundeck or Ansible.
- Excellent communication skills in Polish and English.
- Ability to work with SMEs from various countries and clearly present technical scope, challenges and solutions.
- Understanding of availability, performance, monitoring and resilience for semi-real-time online transaction systems and mass transaction processing systems.
- Understanding of infrastructure, networking, load balancing and TLS.
- High responsibility, commitment to quality and delivering on obligations.
- Ability to share knowledge, collaborate effectively, find compromises and build positive relationships in a local and corporate environment.
- Ability to comply with the office/remote work policy, currently five days per week in the office.
Offer
- Multisport card.
- Private healthcare.
- Group life insurance.
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