Developer Engineer

Celestia Technologies Group • , , spain, Spain

📍 Location

, , spain

⏰ Job Type

Full-time

📅 Posted

June 05, 2026

About the Role

Frontend & Backend Developer Engineer for IoT Digital Platforms We are looking for a Frontend & Backend Developer Engineer for IoT Digital Platforms to join our highly qualified engineering team specialised in electronics design, sensors integration and wireless communications. 
This exciting role involves the development of digital platforms for IoT devices as well as cloud services management. 
Experience with relational databases  (MySQL, PostgreSQL, InfluxDB) and non-relational databases  (MongoDB, Cassandra) 
Object-oriented programming  
Hands‑on experience with WebSockets, Node.js, and socket.io 
Experience with the following communication protocols  – UDP/DTLS, TCP/TLS, MQTT and LwM2M – as well as map services  (Google Maps API, OpenStreetMaps), and cloud servers  (Linux and Windows) 
Experience with server load balancing  and AWS services  
Knowledge ...
            

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