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

O tym stanowisku

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…