Marius Duica

Platform for coordinating and managing infrastructure projects across multiple organizations.
Built as a multi-tenant application, it enables each client to operate in isolated, secure environments while sharing a unified system.
The platform features smart time reporting functionality to enhance tracking and transparency, and integrates with an external authentication server for secure access control.

Technologies:
.NET 8.0, EF Core, Web API, React, TypeScript, Material UI React, SignalR, Refit.Net, Polly, PostgreSQL, FluentValidation, AWS Lambda, AWS Backup, AWS RDS
Test Automation: Moq, AutoFixture, FluentAssertions

• Contributed to internal enterprise systems by maintaining and extending core functionality.
• Developed backend services and APIs using .NET Framework 4.5 and .NET Core 3.1.
• Worked with Oracle and SQL Server databases for complex data manipulation and business reporting.
• Implemented Microsoft Office Automation features to streamline document processing.
• Deployed and maintained solutions on IIS-hosted infrastructure.
  Technologies: .NET Framework 4.5, .NET Core 3.1, AngularJS, Oracle, SQL Server, Web API, REST, OData, IIS, Microsoft Office Automation

• Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
• Updated old code bases to modern development standards, improving functionality.
• Designed intuitive graphical user interfaces to improve user experience.

Project Description:

Project administration tool for a company that works with the construction of telecommunications facilities in railway and infrastructure projects. They are building optical and copper plants as well as information systems throughout Sweden.

Technologies: .Net Core, EF Core, Web API, React, Typescript, SASS,

Semantic UI, Bootstrap, SignalR, D3.js,Polly, PostgreSQL, FluentValidation, S3 Bucket. AWS Lambda

Project management: JIRA

Test Automation: Moq, AutoFixture, FluentAssertions

Web Scale Architecture: Onion Architecture, Domain Driven Design, CQRS

Project Description:

Online configuration tool for a system that synchronize data between various sources and targets (e.g., ActiveDirectory, Google)

Technologies: .Net Core, EF Core, Web API, React, Typescript,

Semantic UI, Bootstrap, D3.js, PostgreSQL, FluentValidation, AutoMapper, MediatR, AWS DynamoDB.

Project management: JIRA

Test Automation: Moq, AutoFixture, FluentAssertions

Web Scale Architecture: Onion Architecture, Domain Driven Design, CQRS

Project Description:

The project consisted of building a new core platform for pension administration, for a large financial organization in The Netherlands, which operates for several pension funds. This consists of a large number of applications (various sizes) which have mutual dependencies.

Technologies: C#, WPF with Prim, WCF, Entity Framework, MSMQ, Windows Service Bus

Project management: TFS

Test Automation: Moq, AutoFixture, FluentAssertions, SpecFlow,

MSTest, ATDD,Coded UI

Web Scale Architecture: Onion Architecture, Domain Driven Design, CQRS, Microservices

Code Quality Inspection: SonarQube

• Collaborated with project managers to select ambitious, but realistic coding milestones on pre-release software project development.
• Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
• Documented technical workflows and knowledge to educate newly hired employees.

Project Description:

Online mortgage application calculator, used to compare customer’s options and find the mortgage payment amount that bests suits the customer’s needs.

Technologies: Microsoft .Net Framework 4.5, Web API, Entity Framework, AngularJS 1.5, jQuery, Telerik Control Kendo UI, SQL Server 2008R2

Project management: JIRA, TFS

Code Quality Inspection: Style Cop

• Updated old code bases to modern development standards, improving functionality.
• Discussed issues with team members to provide resolution and apply best practices.
• Developed software for desktop and mobile operating systems.

Project Description:

Machinery manufacturer configuration, management tool for a computer-controlled sawing device.

Technologies: Microsoft .NET Framework 4.5, WPF, C#, XAML, Microsoft Prism Library

Project management: JIRA

Project Description:

The application is a unique system for centralizing data from various data sources about companies, processing them to fit the business entity model and make it available for complex searches, and market researches.

Technologies: Microsoft .NET Framework 4.0 & 2.0, AJAX, JavaScript (including jQuery, Prototype), WCF, XSLT (for code generation), Windsor Castle (for IOC), MBUnit and Moq (for Unit Testing/Mocking), 3rd party APIs (Salesforce, Crunchbase, Delicious, Compete, etc), SQL Server 2008, DB2 (initially on the WebSpider machine, but currently replaced with SQL Server 2008 R2), PostSharp.

Project management: JIRA

Project Description: Printer management solution, includes tools and features to implement printer management, quota systems, and report generation.

Technologies: C#.Net, XML and Web Services, Windows Services