Senior Java Developer

Stack

Responsibilities

• ▹Write backend code in Java/Spring Boot, deployed on Apache Tomcat
• ▹Design PostgreSQL schemas, write Liquibase migrations, optimize slow queries
• ▹Develop and maintain integrations with external systems via WSO2
• ▹Configure authentication and authorization with Keycloak
• ▹Take part in technical architecture design, deployment and component diagrams
• ▹Prepare and maintain technical and architectural documentation
• ▹Maintain existing functionality and fix defects per SLA
• ▹Review colleagues' code and mentor middle developers

Requirements

• ▹At least 4 years of commercial Java development experience
• ▹Spring/Spring Boot, Maven and Gradle
• ▹Strong PostgreSQL skills, writing and optimizing native SQL
• ▹Liquibase experience
• ▹Keycloak (OpenID Connect) or similar
• ▹Integration development experience (WSO2, REST, SOAP, message queues)
• ▹Docker containerization skills
• ▹Git and code review practices
• ▹SLF4j+Logback, OpenTelemetry, W3C Trace Context
• ▹Unit, system and integration testing
• ▹Architectural thinking, DrawIO/PlantUML/UML diagrams
• ▹English sufficient for fluent team and client communication

Nice to have

• ▹Angular experience
• ▹Cloud provider experience

Soft skills

About the company

Introduct Group is an international technology company delivering tailored software solutions for businesses worldwide.