On behalf of our clients across banking, the public sector, and e-commerce (including a market leader in the region), we are looking for experienced Java Developers open to a hybrid role in Warsaw. We offer the opportunity to drive system development using modern technologies across the Java ecosystem (Java 17+, Spring Boot, microservices, Cloud, Docker/Kubernetes) within mature teams and divers projects.
Our expectations
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Minimum 5 years of commercial experience as a Java Developer
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Solid hands-on experience with core technologies: Java 11–21, Spring, and Spring Boot
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Proficiency in data persistence: JPA, Hibernate, and Spring Data
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Hands-on experience developing RESTful and SOAP web services
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Strong knowledge of relational databases and SQL
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Proficiency with version control systems (Git)
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Solid unit and integration testing skills (JUnit, Spock, Mockito) alongside frontend testing experience (Jest, Cypress, TestNG, or similar)
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Good understanding of containerization (Docker)
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Experience with build automation tools: Maven or Gradle
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Hands-on frontend development experience using Angular and/or React
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Strong English communication skills (minimum B2 level)
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Readiness for hybrid work in Warsaw
Welcome Skills
Experience in at least one of the following areas (project-dependent)
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Cloud platforms: AWS, GCP, or Azure
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Container orchestration: Kubernetes
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Messaging & Event Streaming: Kafka or JMS
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Database & Caching technologies: NoSQL databases, Redis, Ignite, or Hazelcast
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Modern Web Development: JavaScript (ES6+), TypeScript, RxJS, state management (NgRx / Redux / Vuex), and build tooling (npm / Webpack / Angular CLI)
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Secondary Languages: Kotlin
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Application Security: OWASP Top 10, OAuth2, JWT, and Spring Security
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Quality & Operations: Performance optimization/testing, CI/CD pipelines, and Jenkins
Key tasks
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Design, develop, and maintain robust, scalable software solutions using Java and modern frameworks.
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Implement clean, well-tested REST/SOAP APIs and integrate frontend interfaces with backend services.
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Write unit and integration tests to ensure code quality, stability, and high performance.
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Collaborate within cross-functional, Agile teams on system architecture, code reviews, and feature planning.
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Debug, optimize, and refactor existing applications while maintaining documentation and supporting deployment pipelines.
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