Senior Java Engineer - AI-Driven Banking Backend

Inetum; Warszawa; Hybrid; PLN 210,000 - 320,000; Full time

Benefits offered by this job

Cafeteria benefits

Referral bonuses up to PLN6,000

Hybrid work model

Team mentoring

Job summary

Inetum Polska Sp. z O.o. is seeking a Senior Java Developer with hands-on AI experience to join a team delivering AI-powered solutions in the Consumer Finance domain for banking.

You will contribute to modern applications, back-end development, and integration of AI capabilities that generate real business value. The role offers hybrid work across Poland, collaboration with experienced engineers, and opportunities to influence product architecture while advancing AI technologies in a financial

Qualifications

• Proven commercial experience as a Senior Java Developer.
• Strong expertise in Java, Spring Boot, Spring Security, Hibernate, JPA, REST, and PostgreSQL.
• Hands-on AI in real projects; capable of independent AI-based design.
• Experience with RAG, vector databases, LLMs, AI agents, and data-driven AI solutions.
• Polish and English language skills at B2 level or higher.

Responsibilities

• Develop and maintain applications within the Consumer Finance area.
• Design and implement new backend functionalities.
• Build and integrate AI-driven solutions.
• Collaborate closely with business and technical teams.
• Ensure high standards of quality, performance, and security.

Skills

Java

Spring Boot

Spring Security

Hibernate

JPA

REST API

PostgreSQL

Angular

AI Experience

RAG

Tools

Java Web Frameworks

Job description

Inetum Polska Sp. z O.o. is seeking a Senior Java Developer with hands-on AI experience to join a team delivering AI-powered solutions in the Consumer Finance domain for banking.

You will contribute to modern applications, back-end development, and integration of AI capabilities that generate real business value. The role offers hybrid work across Poland, collaboration with experienced engineers, and opportunities to influence product architecture while advancing AI technologies in a financial