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We are looking for an experienced Senior Java Developer to join a team building a modern enterprise data integration and processing platform that supports key logistics and transportation processes on a global scale. This role focuses on developing scalable backend services, microservices, and event-driven integrations within a complex enterprise environment.
You will contribute to the design and implementation of solutions that enable efficient data processing and communication across business systems. An important part of the role involves modernizing legacy applications and delivering solutions aligned with Domain-Driven Design principles.
We are looking for a self-driven professional who can actively participate in architecture discussions and make sound technical decisions. Strong hands-on production experience with Apache Kafka is essential for success in this role.
Job no. JOB-9AUTA
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Szukamy doświadczonego Senior Java Developera (f/m/x), który dołączy do zespołu budującego nowoczesną platformę integracji i przetwarzania danych korporacyjnych wspierającą kluczowe procesy logistyczne i transportowe na skalę globalną. Rola ta koncentruje się na tworzeniu skalowalnych usług backendowych, mikroserwisów oraz integracji zdarzeniowych w złożonym środowisku korporacyjnym.
Będziesz uczestniczyć w projektowaniu i wdrażaniu rozwiązań umożliwiających efektywne przetwarzanie danych i komunikację między systemami biznesowymi. Ważnym elementem roli jest modernizacja aplikacji legacy oraz dostarczanie rozwiązań zgodnych z zasadami Domain-Driven Design.
Szukamy samodzielnego specjalisty, który aktywnie uczestniczy w dyskusjach architektonicznych i podejmuje trafne decyzje techniczne. Silne praktyczne doświadczenie produkcyjne z Apache Kafka jest kluczowe dla sukcesu na tym stanowisku.
Nr oferty JOB-9AUTA
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Senior Java Developer with Apache Kafka (f/m/x)
Cooperation with international players across sectors, including automotive, banking, finance, hi-tech, medical, retail, logistics, and public services. The diversity of industries ensures the stability of the company and gives employees the opportunity to develop in various directions.
We deliver projects in many technologies and areas, from software development, through testing, engineering, IT infrastructure, cloud solutions, cybersecurity. We have partnerships with key tech solution providers, like: Microsoft, SAP, Adobe, Salesforce, AWS, Google Cloud, Atlassian.
We began as a one-person start-up in 2006 and grew into a 7 500 workers company in 2025, generating revenue of of PLN 2.2BN, having no debts.
We offer the possibility of working completely remotely, if the position allows it.
We are a key partner for many prestigious global companies from different sectors i.a: BNP Paribas, KUKA, ING or Bombardier with whom we have contracts that guarantee continuity of employment for our workers.
Since 2018, we have been recognized with the Great Place to Work Europe title, a prestigious award based on employees feedback. According to the study, over 90% of people working at Sii consider it a fantastic place to work.
At Sii we have a lot of knowledge sharing initiatives – our workers can join technology Communities, participate in a mentoring program or benefit from in-house trainings, blog and e-learning platforms.
No matter our title, we address each other by first names. Transparency and dialogue are important for us, that’s why we periodically organize local CEO meetups, online CEO live sessions and departmental Inspiration Days. During them everyone has the opportunity to meet with people managing the company, ask questions, report problems and discuss troubling issues.
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