Xebia

Backend Software Engineer (Java and Kotlin)

Xebia  •  Republic of Poland (Onsite)  •  2 hours ago
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Job Description

Xebia is a global AI-first, digital transformation, and engineering partner. 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.

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.

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 Millennium, ING, Play, Edenred, Arabian Drilling, FedEx, Leroy Merlin, Truecaller, Volotea, Schmitz Cargobull, 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.

You will be:

  • developing and enhancing scalable backend services for a specialized automotive marketplace,
  • designing and developing microservices and REST APIs supporting key customer journeys,
  • designing new modules and improving existing platform components,
  • collaborating closely with Product Managers, Data Analysts, and UX Designers to translate business needs into technical solutions,
  • ensuring high standards of code quality, testing, maintainability, and engineering best practices,
  • using AI-assisted development tools such as GitHub Copilot or OpenCode to support software delivery.

Your profile:

  • strong commercial experience with Java and Kotlin,
  • hands-on experience with Spring Boot,
  • practical experience designing and developing microservices architectures,
  • experience building and maintaining backend services and REST APIs,
  • strong focus on code quality, testing, and engineering best practices,
  • ability to design new modules and improve existing systems,
  • practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.
  • ability to work effectively with Product, Data, and UX teams,
  • Polish and English at B2 level,
  • openness to occasional visits to the Warsaw office (1-2 days per quarter).

Work from the European Union region and a work permit are required.

Nice to have:

  • experience with MongoDB and Spring Data MongoDB,
  • experience working with Google Cloud Platform (GCP),
  • basic knowledge of frontend or mobile development, such as Web, iOS, or Android.
  • experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work,
  • 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.

Recruitment Process:

CV review – HR call – Techincal Interview – Client Interview – Decision

Xebia

About Xebia

Xebia is a globally recognized leader in consulting, software engineering, and training, helping organizations advance in an AI-driven world. For more than 25 years, we have partnered with enterprises to drive innovation, create new opportunities, and gain competitive advantage.

With a team of over 5,500 Xebians across 16 countries, we specialize in Applied & Generative AI, Data & Cloud, Intelligent Automation, and Digital Products & Platforms. Our approach combines engineering excellence with a people-first mindset, enabling businesses to adopt emerging technologies while strengthening the skills and confidence of their teams.

We serve industries including banking and financial services, healthcare and life sciences, insurance, retail and consumer goods, ISVs and technology, media and entertainment, and travel and hospitality. Whether modernizing critical systems, automating key operations, designing AI-native platforms, or creating hyper-personalized customer experiences, we tailor every engagement to each client’s unique goals and challenges.

At Xebia, responsible AI isn’t just part of our work - it drives everything we do. We challenge the boundaries of innovation to unlock human potential and build a future that works for everyone. Our growth proves that ambition and responsibility can go hand in hand. We empower businesses to embrace an AI-first mindset and stay ahead of what’s next, always keeping people at the heart of progress.

Xebia | Shaping Tomorrow with AI Today

Industry
IT & Software
Company Size
5,001-10,000 employees
Headquarters
Atlanta, Georgia
Year Founded
Unknown
Website
xebia.com
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