👉Middle Java Developer

🟣You will be:

• developing and maintaining backend systems for advertising and e-commerce platforms,

• building low-latency, high-performance services processing large volumes of data,

• developing scalable microservices and APIs using Kotlin and Spring Boot,

• working on real-time event processing and advertising targeting mechanisms,

• contributing to architecture design and system scalability improvements,

• collaborating with stakeholders and supporting engineering best practices, including code reviews and code quality standards,

• participating in technical readiness/on-call support for production incidents a few days per month.

🟣 Your profile:

• 3+ years of professional experience in backend development,

• very good knowledge of Kotlin and Spring Boot,

• openness to occasional visits to the Warsaw office (1–2 days per quarter),

• hands-on experience with microservices architecture,

• practical experience working with NoSQL databases, especially MongoDB,

• experience building and maintaining backend systems and APIs,

• understanding of system design and scalable architecture principles,

• experience working with high-performance and high-scale systems,

• strong analytical thinking and problem-solving skills,

• ability to collaborate effectively with stakeholders and engineering teams,

• good communication skills in English (B2) and Polish (C1),

• practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.

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

🟣 Nice to have:

• 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   

🎁 Benefits 🎁

✍ Development:

• development budgets of up to 6,800 PLN,

• we fund certifications e.g.: AWS, Azure,

• access to Udemy, O'Reilly (formerly Safari Books Online) and more,

• events and technology conferences,

• technology Guilds,

• internal training,

• Xebia Upskill.

🩺 We take care of your health:

• private medical healthcare,

• multiSport card - we subsidise a MultiSport card,

• mental Health Support.

🤸‍♂️ We are flexible:

• B2B or employment contract,

• contract for an indefinite period.