About
Hi, I’m Daniel Kalasic.
Senior full-stack developer with 20+ years building production software. I work directly with owners of service businesses — one developer you can call, backed by a careful process and an AI-assisted team I supervise.
What I bring
- Platforms in production for service companies: estimates, projects, scheduling, QuickBooks
- Years shipping a corporate mobile app used in several countries
- Integrations: QuickBooks, Housecall Pro, Oasis, Twilio, SendGrid, WhatsApp, Chatwoot, n8n
- My own servers, CI and backups — I don’t depend on rented tools
- English and Spanish
Stack
.NET / C#React · Next.jsAngular / IonicReact NativePostgreSQL · SQL Servern8nChatwootTwilio · SendGridDocker · self-hosted CIAI agents
Hablo español — happy to work with your team in either language.
Let’s talk about your business.
Free 30-minute call. I reply within 2 hours on business days.