WOTA

Decentralized Water Treatment · Water Recycling Systems · Japan

WOTA develops decentralized water-recycling systems and autonomous treatment controls. WOTA BOX provides shower water where plumbing is unavailable; WOSH enables recirculating handwashing in commercial, medical and public settings; and WOTA Unit, in development for mass production, reuses household wastewater.

Customers include municipalities, disaster sites, businesses and households. WOTA sells equipment and proprietary consumables and supports municipalities with planning, financing, deployment and operations. Sensors and algorithms monitor water quality and automate treatment; its portable systems can recycle up to 98% of used water.

Salary range
¥5M – ¥11M
Median
¥6.5M – ¥11M
Most requested
Common areas
  • Backend engineering 1
  • Consulting & strategy 1
  • Frontend engineering 1

Measured from the 4 listings Ranked has live for WOTA. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.

4

Full-time

Japanese?

Strategy

ESG

Design and lead strategies to address global water problems, build evidence-based narratives for public policy, quantify social and economic impacts, and guide product direction through statistical analysis and simulations.

Full-time

Japanese?

Mechanical

Hardware

Mfg

Design mechanical systems for WOTA hardware products, covering key-device development from prototyping through mass production, including pumps, closed circuits, sensors, and water-treatment components.

Full-time

Japanese?

Chemical

QC

Develop and validate water-treatment processes and products, define water-quality requirements, evaluate treatment performance, address field problems, and support system design and maintenance.

Full-time

Japanese?

TypeScript

React

Next.js

Node.js

Develop frontend and backend software for an autonomous distributed water-treatment recycling platform, including IoT sensor applications, device monitoring, notifications, control functions, cloud infrastructure, and mobile applications.