Senior Java Backend Developer
Warszawa, Centrum, Warszawa, Country code: PLFull-TimeSenior
Salary4091 - 5000 CHF per month b2b currencySource=conversion; 4440 - 5427 EUR per month b2b currencySource=conversion; 3849 - 4705 GBP per month b2b currencySource=conversion; 5098 - 6231 USD per month b2b currencySource=conversion; 18900 - 23100 PLN per month b2b currencySource=original
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Job Details
- Languages
- Polish (good command), English (communicative proficiency)
- Experience
- At least 5 years
- Required Skills
- PostgreSQLKafkaRabbitmqSpring BootCI/CD
Requirements
- At least 5 years of experience in Java development.
- Strong background in Java 21+ and Spring Boot 3.
- Solid understanding of PostgreSQL and database technologies.
- Practical experience with CI/CD tools (GitLab, Jenkins) and OpenShift.
- Familiarity with message brokers such as RabbitMQ and Kafka.
- Knowledge of monitoring and logging tools including ELK Stack and Dynatrace.
- Experience with automated testing frameworks: JUnit 5, Mockito, and RestAssured.
- Strong analytical skills and experience with Agile (Scrum, Kanban).
- Ability to communicate effectively in both Polish and English.
Responsibilities
- Design, develop, and optimize complex backend systems using Java 21+ and Spring Boot 3.
- Implement scalable software solutions utilizing Domain-Driven Design (DDD).
- Manage data solutions using PostgreSQL, Redis, RabbitMQ, and Kafka.
- Maintain system performance and reliability via ELK Stack, Dynatrace, and CI/CD pipelines (GitLab, Jenkins, OpenShift).
- Perform automated testing using JUnit 5, Mockito, and RestAssured.
- Collaborate within agile teams using Scrum and Kanban methodologies.
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