Middle Fullstack Engineer Kotlin&React

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Czym będziesz się zajmować?

Developing and enhancing microservices using Java and Kotlin
Designing, developing, and modifying REST APIs and backend mocks
Building web components, purchase flows, and registration processes using React
Working across both backend and frontend areas, adapting to changing project needs
Integrating solutions with external business partners and supporting partner-facing functionalities
Collaborating with the team to deliver new features quickly and efficiently
Contributing to the continuous improvement of the product and technical solutions
Occasional visits to the Warsaw office (1-2 days per quarter)

Kogo poszukujemy?

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
Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor)
Good communication and collaboration skills
English at min. B2 level, Polish at min. B1 level
Work from the European Union region and a work permit are required

Czego wymagamy?

3 lata doświadczenia na podobnym stanowisku
Znajomości:
Java
Kotlin
React
JavaScript
Microservices
RESTMile widziane:
HTML/CSS
JSON
KomunikacjaJęzyki:
Angielski
Polski

Jakie warunki i benefity otrzymasz?
13.7k–18.7k PLN netto/m (B2B)
10.2k–14.1k PLN brutto/m (Umowa o pracę)
B2B - Elastyczne godziny pracy (100%)
Praca zdalna: Brak

Kim jesteśmy?
Xebia is a global, award-winning, AI-first consulting, software engineering, and training company. We shape tomorrow with AI today—helping organizations turn AI strategy into production-ready solutions that drive real transformation, faster.

Xebia operates as a single global team, designed for speed, scale, and impact, bringing together deep human expertise and the power of AI in everything we deliver.

Our flexible delivery model combines client-facing teams in the US and Europe with nearshore capacity across Poland and Latin America, as well as a large-scale offshore hub in India working as a single, integrated network.

The result is a sophisticated hybrid model that combines local expertise with global reach. For our clients, this means faster time-to-value, easier access to highly specialized digital and AI talent, and the flexibility to scale solutions at the speed of business.

With round-the-clock delivery, built-in scalability, cultural alignment, and a strong focus on attracting and retaining the best global talent, we help global organizations build, scale, and innovate with confidence.

...consulting mindset and a continuous focus on growth and knowledge sharing.

You will be:
developing and enhancing microservices using Java and Kotlin,
designing, developing, and modifying REST APIs and backend mocks,
building web components, purchase flows, and...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...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...