Madiff

Middleware Engineer – DC Migration Programme

Madiff  •  Warsaw, PL (Onsite)  •  2 months ago
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Job Description


We are looking for a Middleware Engineer to join a
data centre migration programme supporting critical payment processing systems.
This role sits within the core engineering stream responsible for ensuring
stability, integration, and successful migration of high-volume transactional
platforms.
The systems support payment card acceptance, acquiring
services, and issuer processing, operating in real-time environments with
strict requirements around availability, performance, and reliability.
Responsibilities

  • Support middleware environments used by payment processing
    platforms

  • Build, configure, and prepare middleware components for migration

  • Collaborate with application and middleware teams on BAU and
    migration activities

  • Support environment setup, configuration, and access preparation

  • Diagnose and resolve technical issues impacting middleware
    platforms

  • Monitor environments to ensure performance, reliability, and
    stability

  • Support testing and migration phases within the data centre
    programme

  • Maintain operational
    documentation in Confluence


Requirements


  • Strong experience with Oracle middleware and integration environments

  • Hands-on experience with WebLogic Server (11g or 12c)

  • Experience with Oracle Service Bus

  • Experience with Oracle Forms and Oracle Reports

  • Experience with Oracle REST Data Services (ORDS)

  • Experience with Oracle Data Integrator

  • Experience with Oracle Internet Directory

  • Strong PL/SQL knowledge

  • Scripting skills in Perl, PowerShell, Shell, Bash, or Python

  • Experience with automation tools such as Rundeck or Ansible

  • Experience with enterprise scheduling tools such as BMC Control-M

  • Experience supporting application or data centre migration programmes

  • Understanding of performance, monitoring, resilience, and availability in
    high-transaction environments

  • Understanding of infrastructure concepts including networking, load
    balancing, and TLS

  • Ability to collaborate
    effectively with international engineering teams

Nice to have

  • Experience in payments, acquiring, or financial
    transaction systems

  • Exposure to large-scale enterprise transformation
    programmes

  • Experience working in regulated or
    high-availability environments

  • Familiarity
    with release management and change governance processes


Benefits


  • Solid, competitive salary

  • Work in a multinational environment on international projects

  • Comprehensive healthcare

  • Long-term B2B contract with a stable project pipeline

  • Work model: Warsaw-based, primarily onsite with
    1–2 remote days per month
Madiff

About Madiff

We are an international Innovation, IT and high-tech engineering consulting company that delivers unique value in a wide variety of industries.

Our mission is to add value to our customers businesses by providing digital and technological innovation services, delivering disruptive results and making our clients stand out in their market.

We are driven by a creative and innovative consulting approach strongly oriented to getting results. We MAKE THE DIFFERENCE.

Poland | UK | Switzerland | USA | Norway | Portugal | Spain | France | Singapore

Warsaw

Prosta 20

Wrocław

Rybacka 7

Lublin

Grottgera 2

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Warszawa, PL
Year Founded
2015
Website
madiff.eu
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