Middleware Engineer

Location: Warsaw, on-site (5 days per week from the Client's office)
Rate: 130 - 150 PLN net/h via Experis

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 closely 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 an 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 Service (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 / Python

• Experience with Rundeck / 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 company’s office / remote work policy (currently 5 days per week in the office)

Offer:

• Multisport card

• Private healthcare

• Group life insurance