Middle Fullstack Engineer Kotlin&React
- 3+ years of commercial experience in software development,
- good knowledge of Java and Kotlin,
- practical experience working with microservice architecture,
- hands-on experience with React and modern JavaScript,
- good knowledge of HTML and CSS,
- solid understanding of REST API design and consumption,
- practical experience working with JSON,
- willingness to work across both backend and frontend development,
- 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 quickly switch between different technological areas and tasks,
- good communication and collaboration skills,
- English at min. B2 level,
- Polish at min. B1 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 Docker and CI/CD processes, particularly GitLab CI,
- experience working with cloud environments,
- understanding of UX/UI principles,
- familiarity with Responsive Web Design (RWD),
- experience integrating with external partner systems,
- 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.
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.