Ljubno ob Savinji, Slovenia · remote
Kristjan
Mihin
Full-stack developer. Scroll.
I build web applications, integrations and cloud infrastructure for companies that depend on them.
.NET and Azure in production for years. React and Supabase for my own products. End to end: data model, backend, interface, deployment, support.
- 4+
- years building production software
- 10k+
- documents a year through a platform I designed
- 10+
- servers migrated to Azure
- 2
- own products live
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Selected work
Professional, 2023–2025
On-premises to Azure migration
Migrated complete production environments to Azure — 10+ VMs, 5–10 web apps and SQL Servers — with staging, backups and DR, and little to no downtime.
Azure VMs / App Service / SQL Server / Azure networking / Azure Backup / Azure DevOps
Professional, 2022–2026
Electronic transport documents (e-CMR) platform
Designed and built an e-CMR platform from the specification; 10k+ electronic consignment notes per year, used across Europe.
C# / .NET / ASP.NET / SQL Server / REST APIs / PDF generation
Side project, 2026
Fuel Guide — nutrition and workout tracker
Mobile-first PWA and native (Capacitor) app for tracking meals, workouts, weight and streaks, with gym leaderboards.
React / Vite / TypeScript / Tailwind / TanStack Query / Supabase
Side project, 2026
MojBeach — beach volleyball court booking
Booking platform for beach volleyball courts in Slovenia with pricing engine, recurring bookings and venue admin.
React 19 / TanStack Start / TypeScript / Tailwind / Supabase (Postgres, Auth, RLS) / Resend
What I do
- Custom web applications
- .NET / ASP.NET backends with React or Angular front-ends and SQL Server. Back-office systems, portals, internal tools.
- Integrations and APIs
- REST APIs, partner and B2B system integrations, electronic document exchange, data imports and transformations.
- Azure and DevOps
- Environment setup, on-prem to cloud migration, staging environments, backup and disaster recovery, CI/CD with Azure DevOps, Bicep infrastructure as code.
- Legacy .NET modernization
- Taking over, stabilising and modernising .NET Framework applications. Long-term maintenance and production support.
- Mobile apps
- .NET MAUI, progressive web apps and Capacitor builds for iOS and Android.
- Small-business web apps
- Booking, ordering and reservation systems built quickly with React and Supabase.
Have something to build?
Open to freelance projects, in English or Slovenian. Scope and terms agreed per project.
mihin.kristjan@gmail.com