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November 3, 2026

IoT Platform Engineer / Specialist

Mid • On-site

20,000 - 26,000 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: IoT Platform Engineer / Specialist

Description

You will own the technical responsibility for deploying and evolving an enterprise-grade open-source IoT platform for on-site utility/media management. The platform integrates building installation data (HVAC, lighting, energy meters, air-quality sensors) to enable automation, reporting, and business decision-making for customers. The work focuses on iterative, fast development based on real market and customer needs.

Responsibilities

  • Deploy and configure the platform as the central monitoring and control system
  • Build and maintain data processing rules (Rule Engine), device integrations, and client dashboards
  • Integrate the platform with device-layer protocols: Modbus RTU/TCP, BACnet IP/MSTP, MQTT, LoRaWAN, Zigbee
  • Develop APIs and integrate with external systems (ESG/EPBD reporting systems)
  • Collect and prioritize customer and sales team requirements; convert them into a platform roadmap
  • Optimize performance, scalability, and security as the number of buildings and locations grows
  • Collaborate with automation engineers on selecting measuring and actuating equipment aligned with the platform architecture
  • Support pilot deployments and iterate quickly based on feedback

Requirements

  • Experience designing and developing IoT systems with broker architecture (MQTT, CoAP, HTTP), device integration, and telemetry processing
  • Backend programming skills (Java, JavaScript/Node.js, or Python) to create rules, integrations, and microservices
  • Knowledge of building automation protocols: Modbus (RTU/TCP), BACnet (IP/MSTP)
  • Knowledge of time-series databases (e.g., Cassandra, PostgreSQL, InfluxDB) and REST API work
  • Experience deploying and maintaining systems in the cloud or dedicated infrastructure using Docker
  • Product mindset to translate customer and market needs into concrete system functionality
  • Independence, initiative, and ability to quickly learn new platforms and tools
  • English knowledge to work with technical documentation

Benefits

  • Real impact on product development early in scaling (multi-site rollout, 200+ buildings)
  • Close collaboration with engineering, sales, and management teams
  • Flexible employment model (employee / B2B)
  • Remote/hybrid work option
  • Onboarding time for the platform (expert support, documentation, community)

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