Middle Java Developer

<p>&nbsp;</p> <p class="x_x_MsoNormal" data-olk-copy-source="MessageBody">Xebia is a global AI-first, digital transformation, and engineering partner.<span lang="EN-US">&nbsp;With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions.</span>&nbsp;</p> <p class="x_x_MsoNormal">&nbsp;</p> <p class="x_x_MsoNormal"><span lang="EN-US">We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.&nbsp;</span>&nbsp;</p> <p class="x_x_MsoNormal"><span lang="EN-US">&nbsp;</span></p> <p class="x_x_MsoNormal"><span lang="EN-US">In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as McLaren, Aviva, Deloitte, Spotify, Disney, ING, UPS, Tesco, Truecaller, AllSaints, Volotea, Schmitz Cargobull, Allegro, InPost, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.</span>&nbsp;</p> <p>&nbsp;</p> <p><strong><br><br></strong></p> <h2><strong>You will be:</strong></h2> <ul> <li>developing and maintaining backend systems for advertising and e-commerce platforms,</li> <li>building low-latency, high-performance services processing large volumes of data,</li> <li>developing scalable microservices and APIs using Kotlin and Spring Boot,</li> <li>working on real-time event processing and advertising targeting mechanisms,</li> <li>contributing to architecture design and system scalability improvements,</li> <li>collaborating with stakeholders and supporting engineering best practices, including code reviews and code quality standards,</li> <li>participating in technical readiness/on-call support for production incidents a few days per month.</li> </ul> <p>&nbsp;</p> <p>&nbsp;</p> <h2 data-pm-slice="1 1 []"><strong>Your profile:</strong></h2> <ul> <li><span data-olk-copy-source="MessageBody">3+ years of professional experience in Java backend development,</span></li> <li><span data-olk-copy-source="MessageBody">very good knowledge of Kotlin and Spring Boot,</span></li> <li><span data-olk-copy-source="MessageBody">openness to occasional visits to the Warsaw office (1–2 days per quarter),</span></li> <li><span data-olk-copy-source="MessageBody">hands-on experience with microservices architecture,</span></li> <li><span data-olk-copy-source="MessageBody">practical experience working with NoSQL databases, especially MongoDB,</span></li> <li><span data-olk-copy-source="MessageBody">experience building and maintaining backend systems and APIs,</span></li> <li><span data-olk-copy-source="MessageBody">understanding of system design and scalable architecture principles,</span></li> <li><span data-olk-copy-source="MessageBody">experience working with high-performance and high-scale systems,</span></li> <li><span data-olk-copy-source="MessageBody">strong analytical thinking and problem-solving skills,</span></li> <li><span data-olk-copy-source="MessageBody">ability to collaborate effectively with stakeholders and engineering teams,</span></li> <li><span data-olk-copy-source="MessageBody">good communication skills in English (B2) and Polish (C1),</span></li> <li><span data-olk-copy-source="MessageBody">practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.</span></li> <li> <p><strong>Work from the European Union region and a work permit are required.</strong></p> </li> </ul> <h2>&nbsp;</h2> <h2><strong>Nice to have:</strong></h2> <ul> <li><span data-olk-copy-source="MessageBody">experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work,</span></li> <li><span data-olk-copy-source="MessageBody">interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.</span></li> </ul> <p>&nbsp;</p> <p>&nbsp;</p> <h2><strong>Recruitment Process:</strong></h2> <p><strong>CV</strong> review –<strong> HR</strong> call – Technical <strong>Interview</strong> – <strong>Client </strong>Interview – <strong>Decision</strong></p> <p>&nbsp;</p>