Antonis Spyropoulos

Collaborated on a national-level project for the Greek Public Health System, focusing on oncology incident management; built secure back-end services with .NET and PostgreSQL; integrated FHIR-compliant APIs; supported 1000+ concurrent users; integrated Zoom into hospital workflows; delivered front-end improvements and streamlined CI/CD.

Collaborated on a national-level project for the Greek Public Health System, focused on managing oncology hospital incidents. Developed secure and scalable back-end services using .NET and PostgreSQL, ensuring compliance with healthcare data regulations, supporting 1000+ concurrent users. Applied FHIR-compliant APIs to standardize oncology data exchange across systems. Integrated Zoom video conferencing into hospital workflows, enabling seamless remote collaboration. Built interactive front-end features with JavaScript improving clinical staff productivity by 40%. Managed GitLab repositories and CI/CD pipelines to automate builds, testing, and deployments, achieving 99.9% deployment success rate. Delivered reusable, testable, and well-documented code, supporting long-term maintainability and scalability. Actively contributed in an Agile/Scrum environment, taking ownership of features and delivering on sprint commitments.

Improved back-end services using C# ASP.NET Core; processed 1M+ daily requests; delivered reusable NuGet packages; built RESTful APIs and microservices; containerized with Docker, OpenShift, and Kubernetes; used MassTransit for distributed messaging.