About
Georgios_
- FULL-STACK .NET DEVELOPER
- /
- FINTECH & BANKING
- /
- ERP & D365 F&O
- /
- 10+ YEARS
- Work Experience
-
Software Engineer / Full-Stack .NET at Natech
2024 - Present
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D365 Finance & Operations Developer at Epsilon Net
2023 - 2024
-
Mid-Senior Software Developer at ITEAM
2021 - 2023
-
Full-Stack .NET Developer at Gnosis Computers
2015 - 2021
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Full-Stack PHP Developer, Freelance
2014 - 2015
Tech Stack
Backend
C# · ASP.NET Core · .NET MVC
Web APIs · EF Core · LINQ · ADO.NET
SQL Server · RabbitMQ · MassTransit
Redis · ElasticSearch
Frontend
Blazor WebAssembly · Angular
Razor · HTML5 · CSS3
JavaScript · jQuery · AJAX
WinForms · DevExpress
Platforms
Azure · D365 Finance & Operations
X++ · Electronic Reporting
Git · Scrum · xUnit · NUnit
Unity · C# scripting
Experience
Natech
01
- // Develop and support fintech and banking software across API, client and service layers in microservices-oriented enterprise systems.
- // Build backend services and web features with ASP.NET Core, Blazor WebAssembly, SQL Server, Entity Framework, ADO.NET, RabbitMQ and MassTransit.
- // Maintain and enhance a large WinForms banking platform supporting critical business workflows.
- // Customer data, onboarding, remediation, reporting and document retrieval workflows in Azure-connected environments.
- // Stored procedures, JSON and data-processing logic, plus unit testing with xUnit and NUnit.
Epsilon Net
02
- // Contributed to a successful go-live for a major client in Greece with multiple Dynamics 365 Finance & Operations customizations.
- // Specialized in Electronic Reporting design, implementation and support.
ITEAM
03
- // Worked on large aviation projects across design, implementation and support.
- // Built solutions with .NET, VB.NET, ASP.NET MVC/Core and Angular.
- // Part of 24/7 customer support for a major airline client.
Gnosis Computers
04
- // Built municipal and public-sector platforms with .NET MVC, .NET Core, EF/EF Core, LINQ, SQL Server and JavaScript.
- // Protocol management, hospital appointments, public construction, warehouse, fleet, chemical laboratory and school administration solutions.
- // Organization charts, Diavgeia upload automation, reporting exports, map integration, alerting and Greek amount-to-text conversion.
- // Staff-management support across 5 municipalities (700+ employees) and payroll support across 4 (400+ employees).
Freelance
05
- // Fleet-management solution for municipalities: fueling, route monitoring, vehicle servicing, leave tracking and statistical exports.
- // Web-service application integrating with GSIS for people and company data.
Things I Build
Puzzle Games
Trading Bots
Identity Libraries
Keyring_
Embeddable identity & authorization library for .NET, shipped as NuGet packages. RS256 tokens with key rotation and JWKS, permission-based access with time-bounded grants, and rotating refresh tokens with replay detection.
- Type
- Identity & auth library
- NuGet packages
- Built with
- .NET 10 · EF Core · SQL Server
- JWT · JWKS · Argon2id · AES-GCM
- React 19 + TypeScript admin UI
Ongoing project
RevXBot_
Automated spot-trading bot for the Revolut X exchange. Runs several bots in parallel, each with a dip-entry rule and a laddered take-profit, under a shared rate-limited poller. A backtester replays the same engine on real 1-minute candles, and live orders sit behind three independent safety gates.
- Type
- Trading bot + dashboard
- Backtester
- Built with
- ASP.NET Core minimal APIs
- EF Core · SQLite · BackgroundService
- Secure Revolut X API integration (Ed25519)
Ongoing project
EDUCATION & CERTIFICATIONS
Mathematics at the University of Ioannina, Information Technology in progress at the Hellenic Open University, and Scrum certified.
- Hellenic Open University (EAP) Information Technology, in progress
- University of Ioannina Mathematics, completed coursework (no degree)
- University of Thessaly 3D Modeling & Gaming Seminar, 2023
- Scrum Fundamentals Certified Certification
- Languages Greek (native), English (very good, Lower Michigan)