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IoT Embedded Java Engineer

3 weeks, 3 days ago
Romania
Full-time
Senior
Embedded Systems Engineer
Software Development
Agile Bash Debian Embedded Systems Git GitLab IntelliJ IDEA IoT Java JIRA JSON Kanban Linux Maven Microservices NetBeans REST API Scrum SQL TLS WebSockets
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Qualysoft

Qualysoft

Founded in 1999 in Vienna, Qualysoft Group is an independent IT consulting and services company that offers tailored IT solutions to international customers. With over 500 specialists in Central and Eastern Europe, Qualysoft ensures the success of ever...

Internet Software & Services
251-1K
Founded 1999
View All Jobs 5

Description

  • Design and implement modular software for an embedded Java IoT gateway running on Debian Linux (Cortex A5/A7).
  • Integrate with Charge Controller (Cortex M4) to collect charging session data and control delivered power.
  • Implement and maintain integrations with cloud services using OCPP 2.0.1 over WebSocket/JSON and expose REST APIs for web and mobile apps.
  • Control and manage on-board network peripherals and integrate external energy meters using ModBus.
  • Design and implement load management algorithms and enforce security protocols for communications (SSL/TLS/WSS/HTTPS).
  • Employ test-driven development and implement test automation from early stages of the project.
  • Lead and mentor team members, perform code reviews, and take technical ownership of delivered solutions.
  • Work within Agile (Scrum/Kanban) teams, collaborate with cross-functional stakeholders, and drive fact-based technical decisions.

Requirements

  • Bachelor’s or Master’s degree in Computer Science or related field.
  • At least 5 years of professional experience on Java projects.
  • Experience with modular and microservices architectures and enterprise application integration patterns.
  • Familiarity with embedded/resource-constrained systems (e.g., ARM Cortex A5) is a plus.
  • Proven experience with Linux environments and bash scripting.
  • Strong knowledge of coding best practices, debugging, unit testing, and version control (Git/GitLab).
  • Experience with Java frameworks and tools such as Java, Spring, Drools, Spring JDBC, Maven, and IDEs (IntelliJ IDEA, NetBeans).
  • Experience with WebSockets, REST APIs, SQL, and security protocols (SSL/TLS/HTTPS/WSS).
  • Experience with Agile methodologies (Scrum or Kanban), test automation (XRay), CI/CD and build/release tools (GitLab CI, Artifactory, Nexus).
  • Self-motivated, excellent problem-solving and interpersonal skills, experience doing code reviews and mentoring less experienced peers.

Benefits

  • Premium medical package.
  • Lunch tickets and Pluxee card.
  • Bookster subscription for books and learning resources.
  • 13th salary and yearly bonuses.
  • Flexible working program with openness to remote work and a supportive culture valuing work–life balance.
  • Access to leading learning platforms and certifications (Pluralsight, Udemy, Microsoft, Google Cloud) and mentorship programs.
  • Opportunity to choose projects aligned with career goals and international exposure within a stable multinational.
  • Above-market salary potential and enterprise-level job security combined with a startup-like, collaborative environment.

Interested in this position?

Apply directly on the company website

Apply Now

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