IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They)

capco· Tech & Engineering
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📍 Poland

About this role

CAPCO POLAND

Location: Warsaw, Poland
Pref. work model - 3x per week from office

At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management.
Our secret?
A culture that’s fast, flexible, and fiercely entrepreneurial. We move quickly, think creatively, and always put our people first.
We’re passionate about growth - both for our clients and ourselves - and that means attracting the very best talent to join us on this exciting journey.
We’re proud to be:
• Trailblazers in banking, payments, capital markets, wealth, and asset management
• Champions of an agile, nimble, and innovative work environment
• Dedicated to building a team of top-notch professionals who share our drive and vision

ROLE OVERVIEW

 

Build high-performance payment integrations at the core of a major cards transformation

The Role
We are looking for an experienced IT Consultant/Developer to join a large-scale cards transformation programme for a leading Polish bank. You will design, build, and configure integrations across complex system landscapes, supporting transactional flows across POS, ATM, and e-commerce channels. This role focuses on delivering reliable, scalable, and observable solutions using modern technologies while ensuring consistency and resilience across interfaces.

Fluency in Polish is mandatory.

 

What You’ll Do

  • Develop and configure integrations including ISO8583 adapters, POS/ATM handlers, and system interfaces
  • Implement data mapping, transformations, validation rules, and error handling (retries, idempotency)
  • Build and maintain batch/ETL processes, data migrations, and reconciliation tools
  • Implement logging, monitoring, and observability aligned with engineering standards
  • Support SIT/UAT phases by resolving defects and ensuring system stability and performance

What We’re Looking For

  • Experience delivering integration solutions in banking environments (POS/ATM/e-commerce and back-office systems)
  • Strong development experience with Java (17), Spring Boot, Kafka, OpenShift, and PostgreSQL
  • Proven ability to build reliable transactional systems with focus on consistency, idempotency, and observability
  • Experience working with ISO8583 messaging and complex payment integrations
  • Understanding of CI/CD, containerization, and modern development practices

Bonus Points For

  • Experience designing and implementing PostgreSQL data models (schemas, indexes, procedures)
  • Experience supporting settlement processing, audit feeds, and reconciliation processes
  • Familiarity with systems such as IPS, Visiona, INCAS, or ACI platforms (Interchange/Cardpack/Acquirer)
  • Experience optimizing performance and ensuring data integrity across distributed systems
  • Experience working in large-scale financial transformation programmes

 

IMPORTANT

  • Fluent Polish (spoken and written) – mandatory
  • Good command of English for documentation and collaboration.
  • Availability to work on-site, with partial remote work - 3 days per week from the office.

ONLINE RECRUITMENT PROCESS STEPS

  • Screening call with the Recruiter
  • Hiring Manager Technical Interview
  • Client stage
  • Feedback/Offer

We offer a flexible collaboration model based on a B2B contract, with the opportunity to work on diverse projects.

Frequently Asked Questions

Is the salary disclosed for the IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) position at capco?
The salary for this IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) role at capco is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) position at capco located?
This IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) role at capco is based in Poland. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) at capco belong to?
This IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) position is part of the Tech & Engineering department at capco. See the full job description for more information about the team structure and responsibilities.
How do I apply for the IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) position at capco?
Click the "Apply Now" button on this page. You will be redirected to capco's official application portal hosted on greenhouse where you can submit your application directly.
When was the IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) job at capco posted?
This IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They) position at capco was posted on Apr 17, 2026. Apply as soon as possible — early applications are often reviewed first.
IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They)
capco
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