Senior Java Fullstack Developer

Stack

Responsibilities

• ▹Backend development with Java and Spring WebFlux (80%)
• ▹Frontend development (20%)
• ▹API integrations and asynchronous queue handling
• ▹Dynamic forms handling
• ▹Applying hexagonal architecture

Requirements

• ▹Minimum 5 years of Java development experience
• ▹Very good Java 11+/17 and Spring Boot knowledge
• ▹Reactive programming with Spring WebFlux
• ▹REST API and OpenAPI/Swagger knowledge
• ▹Practical BPMN engine experience (Camunda, Activiti, Flowable, jBPM)
• ▹SQL and Git knowledge
• ▹CI/CD experience
• ▹Hexagonal architecture knowledge
• ▹Basic JavaScript/TypeScript and Angular knowledge

Nice to have

• ▹Message queue systems knowledge (Kafka, RabbitMQ)
• ▹Monitoring: Grafana, ELK, Prometheus, Zipkin
• ▹Integration testing: WebTestClient, testcontainers
• ▹Frontend knowledge: Angular/React, RxJS, Storybook

What we offer

• ▹Local and international projects (France, Germany, Portugal, UK, Benelux)
• ▹Professional development support
• ▹Referral bonus up to 6000 PLN
• ▹Fully paid Medicover healthcare card
• ▹Multisport card
• ▹Remote (max 2 office meetings per quarter), B2B, up to 180 PLN/hour

About the company

Alter Solutions is an international IT service provider delivering software solutions for global clients.