B2B

Java

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.

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

Ability to visit office in Rzeszów is required.

Responsibilities:

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 life cycle

Requirements:

Ability to visit office in Rzeszów
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
Strong communication skills
English level – Upper-Intermediate or higher

Will be a plus:

Hands-on experience with messaging systems (AWS SQS, Kafka, RabbitMQ, ActiveMQ or similar)
Experience with Kubernetes
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
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