07/30/2026 updated
100 % available
Software Engineer | ASP.NET Core | Microservices | Azure & AWS
Sofia, Bulgaria
Only remote
Fullstack C# Developer, Software University SofiaAbout me
5+ years of experience building backend apps. Skilled in ASP.NET Core, Web API, microservices and EF Core, with experience in Azure and AWS.Problem-solver who improves system reliability through clean architecture and optimized data processing. Keen to leverage AI tools to help boost performance.
ASP.NET.NET FrameworkAmazon Web ServicesAmazon Elastic Compute CloudASP.NET MVC FrameworkMicrosoft AzureCloud EngineeringEntity FrameworkGitHubPostgreSQLAzure SQLMongoDBNoSQLRabbitMQNext.js
ASP.NET Core & Web API
Strong expertise in developing scalable backend solutions using ASP.NET Core and Web API, including the implementation of microservices and serverless components across industries such as healthcare, finance, and marketing.
Cloud Technologies (Azure & AWS)Hands-on experience with Azure Functions, Azure DevOps, AWS Lambda, and other cloud services to improve system reliability, deployment speed, and application scalability.
Database Management (MS SQL, Redis, DynamoDB, PostgreSQL)Extensive experience optimizing database schemas, stored procedures, and functions to support high-volume transactions and complex reporting and data aggregation using MS SQL, Redis, DynamoDB, and PostgreSQL.
Entity Framework Core & DapperProficient in using Entity Framework Core and Dapper for efficient database access management and ORM solutions in production-grade applications.
Docker & ContainerizationExperienced in using Docker to containerize services, improving deployment processes and overall system architecture.
Messaging & Background Processing (RabbitMQ, Quartz, Hangfire)Implemented background processing, messaging, and caching strategies using RabbitMQ, Quartz, and Hangfire to enhance application scalability and fault tolerance.
Frontend Technologies (Vue.js, React.js)Developed and maintained internal back-office applications using Vue.js, with working knowledge of React.js for frontend development.
Elasticsearch & MongoDBUsed Elasticsearch to implement search functionality and MongoDB as a NoSQL database solution across various projects.
AI Development Tools (Windsurf, GitHub Copilot)Leveraged AI-powered developer tools such as Windsurf and GitHub Copilot to improve development productivity and accelerate software delivery.
Experience
Professional experience5 - 10 years
Freelancer since2021
Languages
BulgarianNative speakerGermanBasic knowledgeEnglishFluent
Project history
Zusammenarbeit mit einem US-amerikanischen Healthcare-Kunden zur Bereitstellung einer Plattform fuer Claims-Verarbeitung, Rechnungsstellung und Reporting. Design und Implementierung skalierbarer Microservices und serverloser Komponenten mit .NET 10, EF Core, Azure Functions und Azure DevOps. Optimierung von MS SQL-Schemas, gespeicherten Prozeduren und Funktionen zur Unterstuetzung hochvolumiger Transaktionen.
Lieferung von Backend- und Integrationsloesungen fuer drei grosse Kunden in den Bereichen Pharma, Marketing und Healthcare. Entwicklung von Anwendungen fuer Fertigungsprozessmanagement, Fragebogenauswertungen und Online-Medizintestbestellungen mit .NET 6+, EF Core, Dapper, MS SQL, DynamoDB, Redis, Azure Functions, AWS Lambda, RabbitMQ, Quartz, Hangfire und Elasticsearch. Implementierung von Hintergrundverarbeitung, Messaging und Caching-Strategien.
Mitarbeit an der FinTech-App Rilla, Implementierung von Zahlungen, Geldtransfers und Online-Kreditfunktionen mit .NET 5, EF Core, MS SQL und RabbitMQ. Implementierung von geo-basierten Benutzereinschraenkungen und Validierungslogik. Entwicklung und Pflege interner Back-Office-Oberflaechen mit Vue.js.