Java Software Engineer / A

Employment: Full-time Experience level: Mid-Senior Level Job Description Join a team working at the heart of a large-scale e-commerce platform, where millions of products are processed every day to create high-quality product relationships and improve how customers discover and navigate products. The team is responsible for product relationships , including product variants such as different colors or sizes of the same item. We build and develop tools for defining product grouping rules, create mechanisms that automatically group products, and make this information available to end users.   What you’ll be working on Developing and maintaining backend solutions primarily in Java and Spring Building mechanisms for creating and managing product relationships and variants Processing large volumes of product data Developing solutions operating in a high-traffic e-commerce environment Working with microservices and distributed systems Using AI-assisted development tools as part of your everyday work Contributing to solutions based on LLMs, ML models and AI agents Working with Big Data and cloud-based solutions Collaborating with the team on solving complex technical and product challenges Occasionally contributing to frontend development, depending on your interests and project needs Qualifications Must have Commercial experience with Java Experience with Spring / Spring Boot Proactive approach and willingness to take ownership Independence and strong problem-solving skills Openness to learning new technologies and exploring new approaches   Nice to have Experience with any of the following will be an advantage: AI solutions, particularly LLMs and agentic AI Kotlin MongoDB Spock Google Cloud Platform, especially BigQuery and Composer PySpark Apache technologies React Microservices High-traffic systems Big Data, ideally within the GCP ecosystem Openness to occasional frontend development Additional Information Hybrid work model: 2 days from the office, 3 days of home office. Office location:  Poznań or Rzeszów.  Thank you for your interest in our offer. We will contact selected candidates whose experience best matches the requirements of the role.   Additional Information 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: https://inetum.whispli.com/speakup?locale=pl Company 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, Lodz 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: Attractive financial benefits: 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. Additional revenue sharing opportunities for initiating partnerships with new clients. 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.