Ovidiu Costea

Cloud-native solution for cheque clearing: Drastically reduced the system's operating cost by 40% to 50%, by replacing the obsolete software and through the transition from a fixed-cost to a variable-cost model. Exponentially reduced peak processing time from 2.5 hours to under 5 minutes and enhanced performance of the new solution by reworking the Durable Functions and Cosmos queries. Skills: .NET core, Azure Functions, Azure Service Bus, Cosmos Db, Azure Blob Storage, Azure DevOps

Payments fraud screening platform: Reduced maintenance and development annual expenses by over $1.000.000 by swiftly composing the microservices backbone of the new fraud screening platform. Facilitated a 100% smooth development process for the following 1.5 years by building the development roadmap, designing a highly scalable microservices architecture, and putting in place the development guidelines. Skills: C#, .NET Core, Kubernetes, Docker, Azure, Kafka, RabbitMQ, Microsoft SQL Server.

Insurance central platform for policy life cycle management: Reduced annual expenses with over $1.500.000, by designing and developing the core technical infrastructure that enables further development of the platform’s customer data processing capabilities. Eliminated more than 1 month of recurring effort needed to implement customer contract changes, by migrating towards a dynamic contract. Skills: .NET Framework, ASP.NET, Microsoft SQL Server, Elasticsearch, NServiceBus, MSMQ, TeamCity, Octopus

Multi-tenant distributed system for processing financial documents: Increased the customer base with 250 tenants, by designing and developing: new ERP connectors, the financial documents workflow module, and a new type of financial document processing module. Skills: .NET Core, ASP.NET Core Web API, .Net Framework, Microsoft SQL Server, EFCore, React.js, Redux, Ant Design, WPF, Telerik Controls, RabbitMQ, Azure DevOps, Microsoft Exchange, Microsoft Graph API, Prism, HTML, CSS

Digital forms web platform: Dramatically increased performance with 10 to 20x, by designing and developing a highly optimized data access module centred around MongoDB storage provider. Reduced the time needed to change the data storage solution from 4 weeks to less than 5 days, through designing a clean and robust code architecture in the data access layer. Skills: .NET Framework, ASP.NET, EntityFramework, Microsoft SQL Server, MongoDB, MongoDB .NET Driver, Knockout.js, NUnit, Moq, VSTS, HTML, CSS

Medical research data management web platform: Successfully delivered a web application exposed through a highly intuitive web interface, that would serve as a centralized hub for the client’s data, by designing and developing the product while maintaining a startling line of communication with the product owners. Skills: .NET Framework, ASP.NET, EntityFramework, Microsoft SQL Server, React.js, Redux, Ant Design, NUnit, Moq, MSTest, NSubstitute, Microsoft Unity Container, Simple Injector, HTML, CSS

Financial distributed system for bookkeeping: Reduced the development time by 5x and eliminated 100% of the technical debt in the financial data processing module, by designing and implementing a highly maintainable solution through drastically reducing technical and business logic complexity, and improving the code structure and modularity. Skills: .NET Framework, ASP.NET, WPF, Microsoft SQL Server, EntityFramework, DevExpress Controls, OData, NUnit, Moq, Microsoft Unity Container, Prism, TFS/VSTS

Business data management platform: Contributed to amazingly decreasing the data loading times for some of the main modules from over 2 minutes to less than 5 seconds, by skilfully implementing back-end and stored procedures performance improvements. Decreased the data loading time for the intensively used modules with 2x, by designing and developing a replication solution for the production database. Skills: .NET Framework, ASP.NET, Microsoft SQL Server, SQL Server Reporting Services, jQuery, HTML, CSS

Mobile game prototype: Build a complete module with 0 delays, by designing and developing a multitude of UI screens and C# behaviors. Ensured the configuration and management of the previously mentioned module through 0 code changes, by designing and developing a custom-tailored Unity tool. Skills: .NET Framework, Unity game engine