Kos.ai
Founding Platform Engineer
About this role
Kos is building AI-powered virtual finance employees for infrastructure and defense companies drowning in complex invoicing and contract work. As Founding Platform Engineer, you'll architect the core systems enabling this virtual employee to operate with real identity, permissions, and presence across enterprise tools.
What you'll do
- Build unified platform presence across email, Teams, Slack, Zoom, and phone systems
- Design identity, RBAC, and audit logging that passes enterprise security reviews
- Create integrations with ERPs (NetSuite, SAP, Oracle) and productivity platforms (SharePoint, Google Drive)
- Own production deployment, observability, and on-call operations as customer base scales
- Streamline deployment processes to enable customer onboarding in days
- Set hiring standards and engineering culture for the platform team
What they're looking for
- Enterprise identity and access management (IAM/RBAC)
- Microsoft 365 or Google Workspace integrations
- ERP system connectivity
- Multi-channel messaging infrastructure
- Production systems design and on-call reliability
- Security compliance (SOC 2, vendor assessments)
- Observability and monitoring practices
- Pragmatic shipping mindset over perfect design
Benefits
- Medical, dental, vision coverage with minimal premiums
- 401(k) retirement plan
- Visa sponsorship
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Kos.ai
Kos.ai builds AI-powered virtual finance employees that automate complex invoicing, contract work, and financial document processing for infrastructure and defense companies. The company is hiring software engineers, platform engineers, and AI engineers to develop core systems, agent runtimes, ERP integrations, and evaluation infrastructure.
- Website
- kos.ai
Likely interview questions
- Walk us through a production system you've owned end-to-end—what were the observability and alerting patterns that let you sleep at night?
- Describe your deepest experience with enterprise identity, RBAC, or permissions systems. How did you handle audit logging requirements?