Senior Software Engineer (Java, TypeScript, React) (вакансія неактивна)

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

Although the primary focus of the role is on back-end development, candidates are expected to have experience with TypeScript and React to be able to build complete features, covering both back-end and front-end components when necessary.

Ability to visit office in Rzeszów is required.

Responsibilities:

• Design and implement new product features, improvements, and extensions for existing functionality
• Contribute to product modernization efforts
• Design, develop, and maintain services using Java, Spring, and related technologies
• Participate in system architecture and technical design discussions
• Write clean, maintainable, and well-tested code
• Conduct code reviews and provide technical guidance to other team members
• 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 life cycle

Requirements:

• Ability to visit office in Rzeszów
• 5+ 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
• Strong understanding of design patterns and clean architecture principles
• Good level of experience with Spring and Servlet API
• Good understanding of HTTP and REST
• Good understanding of monolith and microservices architecture
• Experience with relational databases (PostgreSQL, MySQL)
• Practical experience with containerization and orchestration (Docker, Kubernetes)
• Hands-on experience with messaging services (AWS SQS, Kafka, RabbitMQ, ActiveMQ or similar ones)
• Experience with Maven and Gradle
• Strong debugging and issue troubleshooting skills
• Confident Linux command-line skills sufficient to work on remote servers
• Strong communication skills
• English level — Upper-Intermediate or higher

Will be a plus:

• Mentoring or technical leadership experience
• Hands-on experience with SOAP
• Experience with XML, XPath, XQuery, XML Schema
• Experience with cloud platforms (AWS, Azure, or GCP)
• Experience with NoSQL databases (Redis)
• Experience with Apache Camel
• Experience with Grafana and Kibana
• Experience with Helm

We offer:

• We provide all equipment
• Comfortable and fully equipped office in Rzeszów
• Competitive compensation with regular performance reviews
• 18 paid vacation days per year
• 12 days of paid sick leave per year with a medical certificate + extra paid leave for blood donation
• Health & wellness support: either a monthly budget for medical insurance and sports activities, or a full medical insurance plan, depending on your cooperation model
• 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