--- title: 'Middle Fullstack Engineer (Kotlin&React) at Poland and Eastern Europe' canonical: 'https://feeny.ai/job/middle-fullstack-engineer-kotlin-react-poland-and-eastern-europe-poland-z8cyc1sb6czt' type: 'job' last_seen: '2026-09-14' --- # Middle Fullstack Engineer (Kotlin&React) at Poland and Eastern Europe - **Company:** Poland and Eastern Europe - **Location:** Poland - **Posted:** 2026-08-21 - **Last confirmed live:** 2026-09-14 - **Apply:** https://job-boards.greenhouse.io/xebiacee/jobs/6149729004 ## 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 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. 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 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. Your profile: - 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. Recruitment Process: CV review – HR call – Technical Interview – Client Interview – Decision ## About Poland and Eastern Europe ## Company Overview - **One-liner**: Xebia’s Poland & Eastern Europe (CEE) unit delivers AI-first digital transformation, data platforms, cloud engineering, and custom software for global enterprises. - **Entity Type**: Private (part of Xebia Group) - **Headquarters**: Wrocław, Poland (with main offices in Gdańsk and Rzeszów; additional hubs in Bulgaria, Romania, Czechia, etc.) - **Founded**: The Polish entity formed through the acquisition of PGS Software and GetInData; Xebia itself was founded in 2001 - **Founders**: Not publicly disclosed for the CEE region; Xebia global was founded by Anand Sahay and others ## Core Business - Primary industries: IT consulting, cloud & data engineering, AI/ML, custom software development - Target customers: B2B, large enterprises and mid-market across fintech, e-commerce, media, fashion, airlines, logistics, streaming, telecom, retail - Mission: “Shaping tomorrow with AI today” – combining human expertise with AI to help organizations design and build scalable, data-driven solutions ## Products & Services - **Cloud & Platform Engineering**: Consulting and implementation for AWS, Azure, GCP, including migration, DevOps, and DevSecOps. (Service) - **Data Platforms & Analytics**: End-to-end data engineering, Databricks, Snowflake, dbt, and analytics solutions. (Service) - **AI & Machine Learning**: AI architecture, ML engineering, and AI platform development. (Service) - **Digital Product Engineering**: Full-stack software development, mobile apps (iOS/Android), and custom application development. (Service) - **Training & Knowledge Sharing**: Internal guilds, labs, meetups, and conference speaking; covers Azure, AWS, ISTQB, PMI certifications. (Service) ## Market Standing - **Valuation / Market Cap**: Not publicly available (private entity) - **Key Metric**: 1,000+ experts in the CEE region (part of 5,000+ global workforce) - **Notable Investors / Partners**: Partners include Databricks, dbt, Snowflake, Azure, GCP, AWS (first AWS Premier Partner in Poland); clients named: McLaren, Aviva, Deloitte, Spotify, Disney, ING, UPS, Tesco, Truecaller, Allegro, InPost, etc. - **Growth Signals**: Active hiring across 60+ roles (AI Architects, Data Engineers, DevOps, Java, etc.), 95% employee retention over 5 years, 30% hold principal/senior/mid-level positions, 60+ conference speakers, 20+ guilds, strong workation and remote culture ## Competitive Advantages - **Deep cloud certifications and partnerships** – first AWS Premier Partner in Poland, Gold Partner for Databricks, Snowflake, GCP. - **Strong engineering community** – over 20 internal guilds & labs, regular meetups (Software Talks, Data Tech Talks), and hosting one of Poland’s largest tech conferences. - **Longevity & retention** – 95% of employees stay over 5 years, indicating strong culture and career growth. - **Global delivery model** – combination of client-facing teams in US/Europe with nearshore (CEE, LATAM) and offshore (India) capacity, offering diverse project exposure. ## Strategic Focus - **AI-first approach** – embedding AI into all service lines and internal operations. - **Knowledge sharing and thought leadership** – support for conference speaking, open-source contributions, and continuous learning. - **Scaling the CEE hub** – expanding headcount across cloud, data, and AI roles while maintaining a people-first, flexible work culture. ## Why Work Here - **Work flexibility**: Hybrid/remote options; work from offices in Wrocław, Gdańsk, Rzeszów (Poland) or fully remote; up to 45 working days per year of “workation”. - **Growth & development**: Personal development budget for tech & soft skills; full reimbursement for cloud certifications (Azure, AWS, ISTQB, PMI); mentoring and internal training. - **Engineering culture**: Focus on modern open-source stacks, real ownership, guilds & labs, and a strong knowledge-sharing ethos (60+ conference speakers, meetups). - **Perks & wellbeing**: Health and wellbeing support, team building events, referral program, and a diverse, inclusive workplace. - **Notable**: “95% of Xebians have been with us for over 5 years” – signals long-term career stability. ## Sources 1. [xebia.com – Career at Xebia (Poland)](https://xebia.com/careers-poland/) 2. [job-boards.greenhouse.io – Xebia CEE Jobs](http://job-boards.greenhouse.io/xebiacee) 3. [xebia.com – Locations](https://xebia.com/locations/) 4. [job-boards.greenhouse.io – Additional job listing](https://job-boards.greenhouse.io/xebiacee/jobs/5991335004) 5. [xebia.com – Main site](https://xebia.com/) ## Other roles at Poland and Eastern Europe - [Senior AI Solutions Analyst](https://feeny.ai/job/senior-ai-solutions-analyst-poland-and-eastern-europe-poland-vyx261gp70e9) — Poland - [Finacial Controller](https://feeny.ai/job/finacial-controller-poland-and-eastern-europe-poland-0txbadkwty1w) — Poland - [Senior Frontend Developer](https://feeny.ai/job/senior-frontend-developer-poland-and-eastern-europe-bulgaria-poland-romania-fm960wx4adxq) — Bulgaria / Poland / Romania - [Senior AI/Data Engineer](https://feeny.ai/job/senior-ai-data-engineer-poland-and-eastern-europe-bulgaria-poland-romania-2dhkjnc11yf0) — Bulgaria / Poland / Romania - [Data Quality Analyst / Data Tester (Bulgaria/Romania)](https://feeny.ai/job/data-quality-analyst-data-tester-bulgaria-romania-poland-and-eastern-europe-smsg8sjtdce1) — Bulgaria / Romania - [iOS Developer](https://feeny.ai/job/ios-developer-poland-and-eastern-europe-poland-agxawj45zcq9) — Poland - [Salesforce Architect](https://feeny.ai/job/salesforce-architect-poland-and-eastern-europe-italy-p2bpf437q4ww) — Italy - [Senior AI/ML Engineer](https://feeny.ai/job/senior-ai-ml-engineer-poland-and-eastern-europe-bulgaria-poland-romania-vs9epsfnpkjv) — Bulgaria / Poland / Romania - [Salesforce L2/L3 support](https://feeny.ai/job/salesforce-l2-l3-support-poland-and-eastern-europe-bulgaria-italy-poland-yhwx94r7tk80) — Bulgaria / Italy / Poland - [AI/ML Engineer](https://feeny.ai/job/ai-ml-engineer-poland-and-eastern-europe-bulgaria-poland-romania-fp351ymd8bqd) — Bulgaria / Poland / Romania