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Inetum Logo Inetum · IT - Software Development

JVM Software Engineer

Poland, Warsaw · Job Posted July 10, 2025
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Job Description

We're looking for a JVM Software Engineer to join our team. In this role, you'll be instrumental in developing, maintaining, and enhancing IoT solutions built on the Cumulocity platform. If you have a strong background in Java, microservices, and a desire to work with cutting-edge IoT technologies, we encourage you to apply!

Job Responsibility

  • Develop and configure IoT applications primarily based on the Cumulocity platform (Administration, Device Management, Cockpit)
  • design and implement software components that align with business needs, company standards, and security best practices
  • support and maintain existing IoT solutions, focusing on performance, scalability, and code quality
  • contribute to the implementation and maintenance of CI/CD pipelines
  • participate in software architecture design discussions, collaborating closely with architects
  • lead functional or technical scopes within the team, promoting best practices and fostering a culture of excellence
  • produce comprehensive technical documentation and actively share knowledge with the team
  • support the recruitment and onboarding of new developers

Requirements

  • Strong proficiency in Java (Spring Boot, Java Persistence API) with significant experience in microservices (multi-tenant) and SOA/cloud architectures
  • foundational understanding and practical experience with Docker, Kubernetes, Azure DevOps, Git, and SonarQube (user-level knowledge for development purposes)
  • experience with RESTful APIs and queue/event-based communication (e.g., RabbitMQ, Kafka, ActiveMQ, Azure Service Bus, or Azure IoT Hub)
  • familiarity with web services (REST, OpenAPI specification) and device protocols (HTTP)
  • understanding and practical application of OAuth and RBAC
  • experience with PostgreSQL, MongoDB, and Redis
  • proficiency in JUnit and Mockito
  • good command of technical and professional English
  • experience working within Agile methodologies (SCRUM)

Nice to have

  • Direct experience with Cumulocity (Administration, Device Management, Cockpit)
  • familiarity with MQTT, CoAP, TALQ
  • other programming languages: knowledge of Node.js, Python, C++
  • experience with Vitest, Jest
  • knowledge of LAN / LPWAN wireless technologies (e.g., NB-IoT, LoRaWAN)

What we offer

  • Flexible working hours
  • hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities
  • a cafeteria system that allows employees to personalize benefits by choosing from a variety of options
  • generous referral bonuses, offering up to PLN6,000 for referring specialists
  • additional revenue sharing opportunities for initiating partnerships with new clients
  • ongoing guidance from a dedicated Team Manager for each employee
  • tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs
  • dedicated team-building budget for online and on-site team events
  • opportunities to participate in charitable initiatives and local sports programs
  • a supportive and inclusive work culture with an emphasis on diversity and mutual respect
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