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Senior Java Developer, hybrid in Prague

Whirr Crew

Job Location:

Prague - Czech Republic

Monthly Salary: Not provided by the employer

Posted: 27 May 2026 (30+ days ago)

Application Deadline: 24 August 2026

Vacancies: 1 Vacancy

Job Summary

We are looking for an experienced Senior Java Developer to join an international development team focused on enterprise application development and DevSecOps delivery. We value a developer with strong backend expertise cloud-native mindset and experience working in modern microservices environments with CI/CD practices.

Start Date: ASAP
Location: Prague 3 times per week
Language: English
Contract Type: B2B

Responsibilities

Design develop and maintain enterprise Java applications and microservices
Develop cloud-native applications following modern software engineering practices
Participate in object-oriented analysis design and development
Implement and maintain REST APIs and integration services
Work with relational databases and persistence technologies
Collaborate with DevOps teams and support CI/CD delivery pipelines
Develop and maintain automated unit and integration tests
Participate in secure software development following OWASP best practices
Support application monitoring troubleshooting and performance optimization
Contribute to API design and OpenAPI/OAS contract implementation
Work with messaging and integration technologies such as JMS Kafka and Message Queues
Collaborate with cross-functional teams in Agile delivery environments
Utilize AI-assisted development tools for code generation refactoring and testing

Requirements

Strong experience with Java 1.8 and modern Java development
Excellent understanding of Object-Oriented Design and Development principles
Strong experience with Microservices architecture
Experience with Spring Boot and Java EE
Hands-on experience with Persistence API and Hibernate 4
Good knowledge of REST services JSON and XML processing
Experience with relational databases such as MS SQL and Oracle
Knowledge of JDBC and database technologies
Experience with Maven Git and CI/CD pipelines
Understanding of cloud-native application development
Experience with integration technologies such as JMS and Message Queues
Familiarity with Kafka
Experience designing and implementing API contracts using OpenAPI Specification (OAS)
Knowledge of JSP HTML CSS and JavaScript
Experience with Atlassian tools such as Jira Confluence Bitbucket and Bamboo
Understanding of OWASP Top 10 and secure coding practices
Experience with monitoring and logging tools such as Dynatrace and ELK/EFK
Experience with Apache POI and document generation tools such as Jasper Reports or iText is an advantage
Experience with test-driven development
Ability to work independently in Agile and DevSecOps environments