Fullstack Engineer (Java / React)

j-labs is a Polish software company founded in 2010, specializing in providing complete development teams, individual engineers, and project outsourcing in agile models. The company focuses on technologies such as Java, JavaScript, .NET, Kotlin, Python, QA, and DevOps, with centers of excellence in microservices and DLT. It operates in three locations: Cracow, Warsaw, and Munich, serving over 75 clients in fintech, telco, e-commerce, travel & airlines, automotive, logistics, and banking sectors, employing over 500 engineers with an average experience of 11 years.

• Experience delivering large-scale web applications as a Full Stack developer, working on both backend and frontend
• Experience with microservices architecture, including designing distributed systems, inter-service communication, and data consistency
• Strong knowledge of Java (preferably version 17+), Spring / Spring Boot, and RESTful APIs
• Proficiency in ReactJS, JavaScript, and TypeScript for building interactive user interfaces
• Experience with Google Cloud Platform (GCP) for application deployment and environment management
• Experience with relational databases and data warehouses such as PostgreSQL, BigQuery, and AlloyDB
• Experience with Git and SCM systems (GitHub) for version control and team collaboration

Nice to have:

• Experience with data visualization tools like Apache ECharts for creating interactive reports and dashboards

• Design, develop, test, and deploy web applications in a microservices architecture
• Migrate existing reporting solutions to Google Cloud Platform (GCP)
• Create and develop new functionalities for reporting applications
• Analyze the impact of changes end-to-end and prepare project documentation
• Support the team through mentoring and knowledge sharing
• Collaborate in an international, distributed environment
• Maintain technological standards and information security