Redefine spaces
with technology.
Over 10,000 smart locks in operation on the IoT x SaaS platform KEYVOX. Our lean team builds infrastructure for every space business — hotels, offices, gyms, and more. Your code will change the future of access.
Why KEYVOX
The agility of a startup with the stability of a proven product. An environment where you can take on real challenges.
Contribute from Day One
No months of training like at large corporations. In our lean team, you touch production code from day one and make an immediate impact.
Flat & Open Team Culture
Great ideas win regardless of title or seniority. Mentioning the CEO on Slack is just a normal day. Decision-making speed is unmatched.
IoT x SaaS x Global
Bringing a Japan-born product across Asia. Take on large-scale challenges at the intersection of hardware and software.
Modern Tech Stack
Next.js, TypeScript, Supabase, Cloudflare Workers. Grow as an engineer using cutting-edge technology.
Work Environment & Benefits

Flexible Work Style
- Remote work available
- Flextime system
- Side jobs OK

Growth Support
- Tech books & conference subsidies
- 1-on-1 mentoring
- Internal study sessions

Team Culture
- Flat organization
- Small team, big autonomy
- Multinational team
Open Positions
We value willingness to learn and initiative over years of experience. We welcome those with a challenger's mindset, even in unfamiliar fields.
Full-Stack Engineer
Full-timeDevelop the KEYVOX platform. A position that spans front-end to infrastructure, touching the entire product. Feel the impact of your code being used at thousands of facilities.
Embedded Software Engineer
Full-timeDevelop firmware for smart lock devices. Pioneer the frontlines of IoT at the boundary of hardware and software.
Customer Success
Full-timeSupport client companies across hotels, offices, gyms, and more. A position where customer success becomes your success, with direct appreciation.
Sales / Partnerships
Full-timeDrive expansion of the smart lock market. Directly propel business growth from new client acquisition to partner development.
Intern
Paid InternshipGain practical skills in AI-driven development with Claude Code and Cursor, social media marketing, data analysis, and more. Emphasis on hands-on learning. University and graduate students welcome.
Apply / Casual Interview
Not ready to switch jobs yet? That's fine — we'd love to chat. Casual interviews are 30 minutes, online. No pressure.
Job Application Form
Apply for the position you're interested in. Casual interviews are also welcome.