Senior Java Backend Engineer

Are you ready to build end-to-end solutions that make an impact?

Your Role & Responsibilities

• Design, develop, and maintain backend services and APIs using Java 25 and Spring

• Contribute to select services built on Quarkus

• Build and maintain asynchronous, event-driven communication between services using RabbitMQ

• Implement and maintain authentication and authorization flows via Keycloak, including custom SPIs

• Design and optimize data models and queries in PostgreSQL

• Write integration tests using Docker and Testcontainers to ensure reliable, reproducible builds

• Develop and maintain integrations with third-party services and external APIs

• Collaborate with product, QA, and DevOps to deliver secure, scalable, high-quality software

• Participate in code reviews, architecture discussions, and continuous improvement of engineering practices

Requirements

Required Technical & Professional Expertise

• Strong hands-on experience with Java (Java 17+, ideally Java 21/25) and the Spring framework

• Solid experience with PostgreSQL (schema design, performance tuning, migrations)

• Experience with RabbitMQ

• Familiarity with Keycloak, including writing custom SPIs

• Experience with Docker and Testcontainers for integration testing

• Experience integrating with third-party / external APIs and services

• Solid understanding of microservice architecture and REST API design

• Exposure to Quarkus is a plus