Senior Firmware Engineer - Embedded BLE, sensor fusion, consumer IoT

QUICK SUMMARY

Role: Senior Firmware Engineer - embedded BLE, sensor fusion, consumer IoT

Shipped consumer hardware product required

Location: Lisbon-based or relocating. Right to work in Portugal required, or EU passport.

ABOUT ZWIM

ZWIM is building Connected Swim Training, a new category of swim training.

Our hardware, the ZWIM Smart Paddles and our gaming platform measure stroke efficiency and power in real time, and let athletes turn training into something measurable, immersive, and addictive.

Backed by €1.4M in seed funding led by Lince Capital, we’re a small, ambitious team headquartered in Lisbon, with over 20,000 users of our first at-home Swim Trainer.

We help age‑group triathletes and swimmers be more consistent in their training, to swim faster, better, and with more confidence. Every session on a ZWIM Trainer gives data that compounds: Propulsive Watts, pace, distance, stroke efficiency. Our game, bui...