Senior Java Developer (AI)

Inetum; Poznań; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Hybrid work model

Personalized cafeteria benefits

Referral bonuses up to PLN6,000

Job summary

Inetum Polska seeks an experienced Senior Java Developer with hands-on AI experience to join our Consumer Finance solutions team. You will design backend services, build AI-enabled features, and collaborate with business and tech stakeholders to deliver secure, scalable applications.

You will work in a hybrid setup across Poland, with growth opportunities and exposure to cutting-edge AI technologies in the banking sector. English and Polish at B2 level are preferred.

Qualifications

• Proven commercial experience as a Senior Java Developer.
• Strong expertise in Java, Spring Boot, Spring Security, Hibernate, JPA, REST, and PostgreSQL.
• Practical experience using AI in real projects beyond basic coding assistants.
• Hands-on knowledge of RAG, vector databases, LLMs, AI agents, and data-driven AI solutions.
• Ability to design and implement AI-based solutions independently.
• 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.
• Apply Java, Spring Boot, Spring Security, Hibernate, JPA, REST API, and Angular in projects.

Skills

Java

Spring Boot

Spring Security

Hibernate

JPA

REST API

Angular

AI in projects

Polish language

English (B2)

Tools

Vector databases

RAG

LLMs

AI Agents

Data-driven AI

Job description

Inetum Polska is part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.

Globally, Inetum operates in 19 countries and employs over 28,000 professionals. The company focuses on four key areas:

• Consulting (Inetum Consulting): Strategic advisory services that help organizations define and implement innovative solutions.
• Infrastructure and Application Management (Inetum Technologies): Designing and managing IT systems tailored to clients’ individual needs.
• Software Implementation (Inetum Solutions): Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.
• Custom Software Development (Inetum Software): Creating unique software solutions to meet specific client needs.

With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.

Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here's what makes working at Inetum unique:

Flexible and hybrid work:

• Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.
• A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
• Generous referral bonuses, offering up to PLN6,000 for referring specialists.

Professional development and team support:

• Ongoing guidance from a dedicated Team Manager for each employee.
• Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

Community and Well-Being:

• Dedicated team-building budget for online and on-site team events.
• Opportunities to participate in charitable initiatives and local sports programs.
• A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

Job Description

We are looking for an experienced Senior Java Developer with hands-on AI experience. You will join a team delivering solutions within the Consumer Finance domain for the banking sector, contributing to the development of modern applications and the adoption of AI-powered solutions with real business impact.

Your 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.
• Java
• Spring Boot
• Spring Security
• Hibernate
• JPA
• REST API
• Angular

Qualifications

What we are looking for

• Proven commercial experience as a Senior Java Developer.
• Strong expertise in Java, Spring Boot, Spring Security, Hibernate, JPA, REST, and PostgreSQL.
• Practical experience using AI in real projects, beyond everyday coding assistants.
• Hands‑on knowledge of:
  • RAG (Retrieval‑Augmented Generation)
  • Vector databases
  • LLMs
  • AI Agents / Multi‑Agent Systems
  • Data‑driven AI solutions
• Ability to design and implement AI‑based solutions independently.
• Polish and English language skills at B2 level or higher.

What we offer

• Opportunity to work on innovative solutions for the banking sector.
• Exposure to cutting‑edge AI technologies.
• Real influence on product development and system architecture.
• Collaboration with experienced engineers and technology experts.
• Stable project and long‑term cooperation.

If you combine strong backend expertise with practical AI experience and enjoy turning emerging technologies into real business value, we would love to hear from you.

Thank you for your interest in our opportunity. We will contact selected candidates only.

Additional Information

You choose the form of cooperation yourself – employment contract or B2B contract

We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: