Transform Your SaaS with Expert React & Firebase Development
Dusko Licanin
10 weeks. 1,887 commits. 100+ Cloud Functions. One developer.
Just wrapped a 4-month engagement on CallidusOS — multi-tenant SaaS for UK aesthetic clinics. Real production clinics using it daily.
Built with Claude Code as the dev partner.
Inherited 200+ errors from a failed FlutterFlow build. Rewrote everything on React + TS + Firebase. Shipped late April.
22, self-taught, Bosnia 🇧🇦.
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Posted Jun 7, 2026
10 weeks. 1,887 commits. 100+ Cloud Functions. One developer. Just wrapped a 4-month engagement on CallidusOS — multi-tenant SaaS for UK aesthetic clinics. R...
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Feb 14, 2026 - Jun 2, 2026
