Capco
IT Consultant – Integration & Development – Cards Transformation (Polish is Mandatory) (She/He/They)
Be an Early Applicant
The IT Consultant will design, build, and configure payment integrations for a cards transformation, ensuring high performance and reliability across transactional systems in a banking environment.
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
• 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.
Top Skills
Java
Kafka
Openshift
Postgres
Spring Boot
Capco London, England Office
77-79 Great Eastern Street, London, United Kingdom, EC2A 3HU,
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