Senior Electronics Engineer (Freelance Project – 6 Months)

Ynvisible Interactive Inc
📍 évora, évora, Portugal 💼 Full-time 🕒 Posted February 23, 2026

Job Description

Overview

We are seeking a highly experienced Senior Electronics Engineer to lead the end-to-end development of a low-power, battery-operated industrial RF module. This confidential project, conducted under NDA, requires a professional with strong autonomy, technical depth, and the ability to collaborate with internal teams and the end customer.

Key Responsibilities

  • Full hardware design: schematics, PCB layout, fabrication files (preferably Altium Designer).
  • Low-power system architecture, preferably using 3.6 V lithium AA batteries for operation.
  • RF communication integration ensuring compatibility with ISO 15693.
  • Careful HF antenna design (13.56 MHz), including theoretical tuning and impedance considerations. Practical tuning using RF equipment (e.g., VNA) is considered a plus but not mandatory. The antenna must achieve reliable communication in industrial conditions.
  • Handle procurement of components and P...

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Job Details

  • Location évora, évora
  • Job Type Full-time
  • Category Other-General
  • Posted Date February 23, 2026
  • Application Deadline April 04, 2026