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Sotiris Pissaris

@sotirispissaris

Full Stack Developer at TÜV Austria building an offline-first .NET MAUI inspection app with custom data synchronization.

Greece

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At TÜV Austria, I develop backend services with ASP.NET Core and EF Core, alongside Angular features across the application lifecycle. I also designed and built an offline-first inspection app with .NET MAUI and SQLite, including custom synchronization for unreliable connectivity.

I design and evolve PostgreSQL and MS SQL Server schemas and write REST APIs for web and mobile clients. I also own Azure DevOps CI/CD pipelines and configured Azure Application Insights for production monitoring and diagnostics.

Previously, I developed .NET web service applications at Biztec and addressed database and application performance issues in production. I bring experience across the full software lifecycle, from API and database design through deployment and monitoring.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

TÜV Austria

Jan 2023 - Present (3 years 10 months)

Develop and maintain backend services with ASP.NET Core and EF Core, and frontend features in Angular. Design and build a cross-platform offline-first inspection app with .NET MAUI and SQLite, including a custom data synchronization protocol.

ASP.NET Core EF Core Angular .NET MAUI SQLite PostgreSQL MS SQL Server REST APIs Azure DevOps Application Insights

.NET Developer

Biztec

Sep 2021 - Jan 2023 (1 year 4 months)

Analyzed, designed, and developed new .NET web service applications through the full software development lifecycle. Diagnosed and resolved database and application performance issues in production environments.

.NET Web Services Performance Optimization Customer Requirements

Internet Solutions Specialist

Vodafone

Dec 2019 - Sep 2021 (1 year 9 months)

Carried out day-to-day duties accurately and efficiently. Collaborated with team members to achieve target results and provided solutions to problems.