Senior Java Developer (Backend)
Link Group
⚲ Warszawa
21 840 - 30 240 PLN (B2B)
Wymagania
- Java
- Spring
- Spring Boot
- Spring Security
- Maven
- SQL
- Git
- GitHub
- CI/CD
- JUnit
- AssertJ
- Hamcrest
- Kubernetes
- Helm
- Bash
- Shell
- PostgreSQL (nice to have)
- Hibernate (nice to have)
- JPA (nice to have)
- Kafka (nice to have)
- Microservices (nice to have)
- Python (nice to have)
- Jira (nice to have)
- Grafana (nice to have)
- Prometheus (nice to have)
- OWASP (nice to have)
- C (nice to have)
- Go (nice to have)
- Kibana (nice to have)
Opis stanowiska
O projekcie: About the Role We’re looking for a Senior Backend Java Developer to design and build scalable, high-performance backend systems for international products. You’ll work in a collaborative environment, contribute to architectural decisions, and mentor other engineers. Wymagania: - Strong experience with Java 17+, Spring / Spring Boot / Spring Security - Experience with cloud-native applications - Maven, SQL, Git (GitHub, CI/CD) - Testing frameworks (JUnit, AssertJ, Hamcrest) - Kubernetes, Helm - Bash/Shell scripting - English B2/C1 - Experience in enterprise environments - 8+ years of backend development experience Nice to Have - PostgreSQL, Hibernate/JPA - Kafka, event-driven architecture - Microservices architecture - Python - Knowledge of C or Go - CI/CD tools, JIRA - Monitoring tools (Grafana, Prometheus, Kibana) - Security best practices (OWASP) Qualifications - Degree in Computer Science or related field Codzienne zadania: - Design, develop, and maintain backend systems using Java 17+ and Spring Boot - Ensure scalability, performance, and security of solutions - Work with SQL databases (e.g. PostgreSQL) - Support deployments using Docker, Kubernetes, and Helm - Use Bash/Shell for automation and integration tasks - Lead technical discussions and mentor team members - Collaborate in Agile (Scrum) teams and communicate in English