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Java IoT Developer

Barcelona, Spain - Keonn🌐 Remote💼 Full-time🗓 2026-07-21 → 2026-09-25

Core

Develop and maintain Java applications for IoT devices and RFID reader systems, leading the development team and ensuring hardware-software integration.

Role type

Senior IC Java IoT Developer (Embedded Systems)

Builds

High-end RFID readers and derived systems for retail, healthcare, and logistics sectors

Domain

IoT, RFID hardware/software, embedded systems

Deliverable

production ML models | product features

Required skills

Java development, embedded Java programming, real-time systems, multi-threading, network programming, debugging in embedded environments, version control (Git), agile methodologies

Preferred skills

RFID technology knowledge, RF systems knowledge, hardware engineering collaboration

Technologies

Java, Git

Responsibilities

Develop and maintain Java applications for IoT devices, implement new features for RFID reader systems, lead the Java development team, debug and resolve software issues in embedded environments, optimize code performance and memory usage, collaborate with hardware engineers for integration

Seniority

Senior, hands-on IC with team leadership

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