Job description

Tech stack:

• Java

• Spring Boot (incl. Spring Data, Spring Security)

• RabbitMQ, Apache Kafka

• Docker

• PostgreSQL

About the role:

We’re looking for a Senior Java Developer to join our growing engineering team. You’ll be responsible for designing and implementing a new microservice that integrates with external systems, as well as maintaining and expanding existing components of our microservice-based architecture.

Join a team that’s building a platform to manage solar farms, wind turbines, and energy storage systems - helping operators and owners of renewable energy installations to monitor, plan, and optimise energy production and storage.

What you will do:

• Designing and implementing a new microservice aligned with our architecture and coding standards.

• Developing and maintaining existing microservices.

• Writing unit, integration, and contract tests to ensure code quality.

• Participating in code reviews and maintaining high standards through Clean Code principles.

• Proactively contributing ideas for technical improvements and feature implementation.

• Collaborating closely with fellow developers, QA, and the Product Owner to deliver high-value solutions.

• Monitoring applications in testing and production environments and responding to issues.

• Participating in Agile ceremonies (Kanban) like refinements and retrospectives.

Requirements:

• At least 3 years of experience in Java backend development.

• Strong knowledge of Spring Boot, including Spring Data and Spring Security.

• Experience with asynchronous communication, especially RabbitMQ and Apache Kafka.

• Hands-on experience with Docker and containerised application development.

• Familiar with high-availability application design.

• Proficient in writing clean, testable, and maintainable code using Clean Code principles.

• Solid understanding of testing practices – unit, integration, and contract testing.

• Good working knowledge of PostgreSQL and basic familiarity with Redis.

• Experience with log analysis, troubleshooting, and performance diagnostics.

• Comfortable working in an Agile/Kanban environment.

• Strong team player with excellent communication skills and a proactive mindset.

Nice to have:

• Experience with Kubernetes (especially managing deployments).

• Knowledge of Protobuf.

• Experience working with SSO systems like Keycloak.

• Familiarity with time-series databases, such as InfluxDB.