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

CAPCO POLAND

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

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.