Middle Software Engineer (Java / React)

We are looking for a skilled Middle Java Developer to join the team developing a cloud-native service orchestration platform (iPaaS). The product helps companies connect different systems and applications, automate workflows, and build API integrations using low-code tools, connectors, and distributed cloud services.

• Implement new product features, improvements, and extensions for existing functionality
• Contribute to product modernization efforts
• Develop and maintain backend services using Java, Spring, and related technologies
• Write clean, maintainable, and well-tested code
• Participate in production support activities
• Troubleshoot and resolve complex technical issues in production environments
• Collaborate with cross-functional teams (QA, DevOps, Product) throughout the development lifecycle

• 3+ years of professional experience in Java development
• 1+ years of commercial experience with TypeScript and React
• Strong knowledge of Java (Java 17+)
• Hands-on experience with Java Concurrency
• Good understanding of design patterns and clean architecture principles
• Experience with Spring, Servlet API
• Good understanding of HTTP, REST
• Good understanding of monolith and microservices architectures
• Experience with relational databases (PostgreSQL, MySQL)
• Basic experience with containerization (Docker)
• Experience with Maven or Gradle
• Sufficient Linux command-line skills to work on remote servers
• Upper-intermediate level of English or higher and strong communication skills

• Remote-first work model with flexible working hours (we provide all equipment)
• Comfortable and fully equipped office in Rzeszów
• Competitive compensation with regular performance reviews
• 18 paid vacation days per year + all state holidays
• 12 days of paid sick leave per year + extra paid leave for blood donation
• Fixed monthly health & wellness compensation, applicable to: medical insurance; fitness and sports activities
• Mental health program which includes free and confidential consultations with a psychologist
• English, German, and Polish language courses
• Corporate subscription to learning platforms, regular meetups and webinars
• Friendly team that values accountability, innovation, teamwork, and customer satisfaction
• Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
• We are committed to supporting Ukraine and actively participate in charity initiatives