Senior Full Stack Software Developer (Java / Spring Boot / Azure)

• Develop, maintain, and enhance modern backend services based on Java and Spring Boot.
• Design and implement RESTful APIs and ensure secure, scalable integrations, leveraging Apache Kafka for event-driven architectures and real-time data streaming
• Work with relational databases (e.g., PostgreSQL, TimescaleDB, MS SQL), including performance tuning and data modeling.
• Use Kubernetes for orchestration and management of containerized applications.
• Collaborate with frontend teams for integration with Angular-based applications and occasionally implement minor frontend features.
• Ensure code quality, testing, CI/CD integration, and technical documentation.
• Contribute to the development and maintenance of the e-connect portal. This includes:Integrating backend services with Angular-based UI components. Ensuring high availability and performance for portal features.

• Degree in Computer Science, Software Engineering, or equivalent.
• Several years of professional experience in full stack or backend development with Java and Spring Boot.
• Strong experience with relational databases and proficiency in complex SQL queries.
• Experience with CI/CD pipelines, specifically Azure Pipelines.
• Practical experience with Docker and Kubernetes in production environments.
• Basic knowledge of frontend technologies, especially Angular, TypeScript, HTML, and CSS.
• Proficiency with version control (Git) and build tools (Maven/Gradle).
• Strong analytical skills, structured working style, and team-oriented mindset.
• Good command of English; German is an advantage.

• Knowledge of monitoring and logging tools, e.g., Splunk.
• Experience with cloud platforms, particularly Microsoft Azure (App Services, Container Apps, Azure DevOps, etc.).
• Experience with messaging systems such as Kafka or MQTT.
• Familiarity with MES (Manufacturing Execution Systems) environments and handling MESrelated data.
• Experienced in using Atlassian tools such as Confluence and Jira for documentation, collaboration, and project management.

• Attractive basic salary 17-20k gross + plus a 13th and 14th month salary paid in spring, in proportion to the months worked during the calendar year (the 14th month salary is linked to the achievement of individual targets set for the year). The base salary amount is negotiable for highly skilled candidates. 
  
• Employment based on an employment contract (contract directly with our client in Poland).
• Work tools, such as: telephone, laptop with necessary software. 
• Work in an international, stable organisation with low staff turnover.
• Benefits package: Private medical care, Multisport card, Group insurance, access to a language platform (English and German).
• An organisational culture that emphasises work ethic and cooperation between employees.

You will join a small, agile hybrid team of 4–6 professionals based between  European and Kraków. The team is focused on developing scalable microservices and cloud-native applications using Java, Spring Boot, Kubernetes, and Azure cloud technologies. Collaboration, timely knowledge sharing, and cross-site communication are key to the team’s success. Your role will be critical in shaping backend architecture and helping to integrate backend services with frontend Angular components. A major focus will be on the e-connect portal, which serves as a central platform for digital customer engagement. The team culture emphasizes innovation, continuous learning, and quality-driven development within a supportive environment.