Middleware Engineer

The client is an American multinational company in the fintech industry

Key details:

Location: 100% office-based work in Warsaw

Rate: 120-155 PLN/hour net + VAT

Job type: B2B contract

Duration: June 2027

Recruitment process: 1 or 2 stages

English: B2/B2+

Luxmed, MultiSport, equipment provided by the client

The main task in this position is:

Perform role of Middleware engineer for application migration project, part of data center migration program.Applications serve payment card acceptance / acquiring and issuer processor’s business processes.

Critical business functions, including transaction authorization processes, are implemented in a three-tier application architecture. The Middleware layer is an extensive architecture that, in the context of a service migration project, requires the support of an additional person.

The following technical qualifications are required to carry out Middleware project tasks:

- Oracle Service Bus 11g / 12c (must)

- Oracle WebLogic 11g / 12c (must)

- BMC Control-M- Oracle Application Express (APEX)- Oracle Data Integrator 12- Oracle Internet Directory 11g / 12c- Oracle Forms 11g / 12c- Oracle Reports 11g / 12c- Oracle Rest Data Service (ORDS)- PL/SQL- Perl / Powershell / Shell / Bash / Python- Rundeck / Ansible

You will be expected to:- Closely work with FTS Application & Middleware Team carrying out BAU tasks.- Closely work with PMs driving the subsequent actions building, testing and migrating to new environments, not excluding preparation and placement of infrastructure build, configuration or access request and addressing blockers on the road- Diagnosing and solving technical problems- Monitoring environments for performance and reliability,- Produce of quality, live documentation (using Confluence),

Individuals performing the services are expected to have following characteristics:- Recognizing the challenges related to application migration from one data center to the other

- Experience working in similar roles / projects (application migrations)- Excellent communication skills, good written and spoken Polish and English language and ability to work with variety of SMEs from several countries and socialize the technical scope, challenges and solutions among them- Understanding of availability, performance, monitoring and resilience aspects for semi real time online transaction systems and mass transaction processing systems- Understanding of infrastructure aspects, network solutions, load balancing, TLS- Responsibility: care for product quality, making and keeping commitments- Cooperation: the ability to share knowledge and experience, find compromises, build correct relationships within the local organization and in the corporation

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361