Careers · Now hiring
JOIN US. Build the devices that read a city’s rain.
Summary
From Seoul to New York, we solve urban flooding with devices and data. We are looking for people who dig into problems until they are solved.
Why WOOZZA
Overseas training
Learn at research institutes, conferences and trade shows abroad.
Overseas trips
Go to pilot sites such as New York to install and validate devices yourself.
Remote work
Work remotely when the work allows. Results speak.
Who we are looking for
- Strong problem solvers — people who find the root cause and fix it
- Hands-on in the field — people who find answers in front of a device on a rooftop
- Self-driven — people who deliver results, remote or not
Open positions
LIVE · Open positions
2 open
Embedded Firmware EngineerNEWBuild the brain of the smart rain gauges installed across cities, so they keep sending accurate readings every minute through wind and rain.Firmware3+ years of experienceSeoul HQ · Goyang R&D Center (negotiable)
What you will do
- Design and develop MCU-based rain gauge firmware (collecting and processing rainfall, wind direction and wind speed sensor data)
- Integrate wireless communication modules, server transmission and over-the-air (OTA) updates
- Design low-power operation for solar and battery environments
- Analyze fault logs from field devices and improve stability
- Build test automation and production validation with the hardware and server teams
Requirements
- 3+ years of embedded firmware development in C/C++
- Experience with MCU platforms such as ARM Cortex-M (RTOS or bare metal)
- Understanding of peripheral interfaces such as UART, I2C and SPI
- Debugging experience with oscilloscopes, logic analyzers and similar tools
Nice to have
- A track record of digging into problems until they are solved
- Experience integrating cellular or low-power wireless modules
- Experience with low-power design or developing and operating outdoor IoT devices
- Experience with sensor signal processing and calibration
- Test automation with Python or similar
Full-time · Seoul HQ · Goyang R&D Center (negotiable)Apply by emailHardware Engineer (Circuits & Sensors)NEWDesign observation devices that last for years on rooftops and roadsides, and carry them from prototype to mass production.Hardware3+ years of experienceGoyang R&D Center · Busan factory (negotiable)
What you will do
- Design the rain gauge main board circuits (power, sensor interfaces, communication)
- PCB design, artwork review and component selection
- Build prototypes and run performance, environmental and durability tests
- Support transfer to mass production, the production process and quality control
- Handle certification testing such as radio and electrical safety
Requirements
- 3+ years of analog and digital circuit design
- Experience with schematic and PCB tools such as Altium, OrCAD or KiCad
- Testing and troubleshooting with measurement equipment
- Experience taking a product from development to mass production
Nice to have
- A track record of digging into problems until they are solved
- Solar charging and battery management circuit design
- Waterproof, dustproof and thermal design for outdoor equipment
- Working closely with mechanical design
- Experience with certifications such as KC, FCC and CE
Full-time · Goyang R&D Center · Busan factory (negotiable)Apply by email
Hiring process
Within 2–3 weeks. Every applicant hears back.
- 01
Application
Résumé and portfolio in any format, by email
- 02
Technical interview
With team engineers; some roles include a short assignment
- 03
CEO interview
The problems WOOZZA solves and how we work
- 04
Offer
Final offer and start date
Read the Rain. Protect What Matters.