Backend Developer (Java)
Technology
Warszawa, Polska18 000 zł - 22 000 zł /mies.4 dni temuDo 24.07.2026
Pełny etat
Opis stanowiska
Key ResponsibilitiesCore Backend Development: Designing and developing robust, scalable, and high-performance server-side applications using Java and the Spring Boot framework.Database Management: Designing efficient database schemas, writing optimized queries, and managing data persistence using Hibernate and MS SQL.API Design &
- Integration: Building, integrating, and maintaining secure RESTful and SOAP web services (WebApi, WCF) to ensure seamless communication between systems.Search Optimization: Implementing and tuning efficient search and indexing solutions utilizing ElasticSearch.Code Quality &
- Mentorship: Writing clean, maintainable, and well-tested code while participating in code reviews to ensure alignment with industry best practices.RequirementsExperience: Minimum 4 years of professional experience in backend development with a strong focus on the Java ecosystem.Frameworks &
- ORM: Deep understanding and hands-on experience with Spring Boot and Hibernate.Databases &
- Search: Practical knowledge of MS SQL and experience with ElasticSearch or similar search engines.Web Services &
- Formats: Proficiency in developing APIs (REST/SOAP) and working comfortably with JSON and XML data formats.Front-End Basics: General understanding of web technologies (HTML, CSS, JavaScript) to effectively collaborate with front-end teams.Tools &
- Version Control: Strong command of Git and a solid understanding of CI/CD workflows (e.g., Jenkins/TeamCity, Docker).
Keywords
Web APIDocBookHTML5XBELSpring FrameworkMicrosoft SQL ServerJSONElasticsearchJavaScriptHtmlSoapSqlXmlJavaHibernateCI / CDHibernationCommand keyDockerGit
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