V
C#
TS
PG
.NET
React
MAUI
Azure
EF
Auth
Docker
CQRS

Vasilis
Xenos

Full-Stack Software Engineer specializing in .NET ecosystems, enterprise applications, and modern web frontends. Building scalable platforms, cross-platform mobile apps, and business tools while maintaining and modernizing legacy systems. Based in Athens, Greece.

> Athens, Greece
> 7+ years experience
7+
Years of Experience
Full
Stack Developer
.NET
Core Ecosystem

Technologies & Tools

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Backend
Core platform
.NET 10 ASP.NET Core C# Entity Framework Core CQRS OpenIddict REST APIs MediatR
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Frontend
UI & interaction
React TypeScript React Query React Hook Form Material UI Zod ESLint
[ ]
Mobile
Cross-platform
.NET MAUI iOS Android Biometric Auth Push Notifications Camera API
db
Databases
Data layer
PostgreSQL Oracle SQL Server EF Migrations Audit Trails
~/
Cloud & DevOps
Infrastructure
Azure Docker Azure Notification Hubs CI/CD Git Linux
#!
Auth & Security
Identity management
OpenIddict OAuth 2.0 RBAC Biometric Auth JWT
>>
Legacy Migration
Modernization
.NET Framework → .NET Core Legacy App Support API Refactoring Incremental Upgrades
$_
Windows & Hosting
Desktop & deployment
Windows Forms IIS Docker Web Deploy App Pools Windows Services

Products I've Built

Enterprise Web Platform
Enterprise SaaS Platform
Large-scale business management platform with multi-tenant architecture, complex domain logic, role-based access, and regulatory compliance workflows.
ASP.NET Core React PostgreSQL OpenIddict CQRS
Production
Cross-Platform Mobile
Mobile Companion App
Cross-platform mobile app with biometric login, push notifications, camera integration, and offline-first capabilities for iOS and Android.
.NET MAUI Azure Push Notifications Biometrics
Production
Tablet Application
Training & Assessment App
Tablet-optimized training application for guided learning, assessments, and progress tracking with an interactive touch-friendly interface.
.NET MAUI Tablet UI Offline Support
Production
Desktop Applications
Internal Business Suite
Suite of desktop applications for internal operations, record keeping, reporting, and workflow automation across departments.
Windows Forms .NET Framework SQL Server Oracle Crystal Reports
Production
Web Application
Internal CRM System
Relationship management platform for tracking contacts, interactions, and activity history with rich filtering and reporting.
.NET React Material UI Entity Framework
Active

Career Path

Present
Software Engineer
Athens, Greece
Developing and maintaining multiple enterprise applications, cross-platform mobile apps, and business tools. Architecting full-stack solutions with .NET Core backends, React frontends, and mobile applications. Managing identity systems, complex database operations, legacy modernization, and cloud deployments.
Earlier
Software Developer
Previous Roles
Built foundational experience across the .NET ecosystem, enterprise application development, database design, and modern web technologies. Developed expertise in business logic implementation, reporting systems, and data migration tooling.
info@vasilisxenos.xyz copy