IoT & Embedded Systems Engineer Day Rate in Spain 2026: €336/day Median & Range

The benchmark IoT & Embedded Systems Engineer contractor rate in Spain is €336/day in 2026, with a typical range of €310/day–€355/day. This reflects published market-rate data for freelance and contract engagements.

Take-home from a €336/day rate depends on your structure (agencia/nómina or autónomo) and billable days. Autónomos pay a flat monthly cuota de autónomo tied to a net-income bracket rather than percentage-based Social Security. Use the day-rate calculator on this page for an exact comparison under 2026 IRPF rates.

The IoT & Embedded Systems Engineer permanent salary median is €40K in Spain. At €336/day and approximately 220 working days, the gross contract equivalent is around €74K/year before tax and business costs. After-tax, contracting at the median rate typically produces a higher net take-home than the permanent equivalent for the same role.

IoT & Embedded Systems Engineer contractor rates vary by location in Spain. Madrid commands the highest median at €355/day, while Seville sits lower at €310/day. See the city breakdown above for the full list.

Specialist skills can push the IoT & Embedded Systems Engineer rate significantly above the €336/day median in Spain. The highest-impact skills include Embedded C/C++ (+18% premium), RTOS (FreeRTOS, Zephyr) (+14% premium), Wireless protocols (BLE, LoRaWAN, Zigbee) (+12% premium). Contractors who can demonstrate these skills in interviews and on their CV typically negotiate from a stronger position.

IoT & Embedded Systems Engineer contractor demand in Spain is currently classified as moderate. IoT and Embedded Systems Engineer hiring in Spain is being driven by the automotive and industrial-electronics sector's continued investment in connected-vehicle and factory-automation firmware, with demand concentrated around Barcelona and the automotive manufacturing belt near Valencia and Pamplona. Ficosa and Indra are among the more consistent hirers, and Spain's Agencia Tributaria digital nomad and highly skilled visa routes have made it easier for employers to bring in senior firmware specialists as the domestic pipeline stays tight. Contract roles in this space are holding steady heading into 2026.

A IoT & Embedded Systems Engineer permanent role at the Spain median of €40K with a typical 3-day commute carries approximately $4,885 per year in direct costs and lost time. You would need a fully remote permanent salary of at least $32,600 to match its true net value. Contract roles typically command higher gross compensation, but on-site contract work adds the same commute burden. Use the remote vs hybrid calculator to compare any specific contract rate against a remote permanent offer.