Cosmin Vană Email & Phone Number

Cluj-Napoca, Cluj, Romania

Design and implement backend APIFirebase and Stripe integrationSet up Azure infrastructureSet up CI/CD using Azure DevopsBug fixing and small improvements on mobile apps, using React Native and Ionic

Cluj-Napoca, Cluj, Romania

Help in redesigning the code/infrastructure of projects (Azure, AWS, on-premises) to ensure better performance (response time, memory, CPU usage).Sample projects:Insurance portal/framework:- Designed a dynamic system that allows the company to customize the data required from a client based on the type of insurance needed, regulations, or internal decisions, without needing new releases- Technologies: ASP.NET Core (versions 3 to 8), Onion Architecture, BFF, React, Identity Server.AI Portal:- A portal that allows users to design and embed widgets in their websites.- Technologies: OpenAI API, ChatGPT, Assistants, .NET Core 8, Next Healthcare Portal:- Migrated from on-premises to Azure.- Upgraded to .NET Core 6.- Designed multi-tenancy.- Performed performance optimizations- Set up CI/CD with Azure DevOps.Media service/portal:- Optimized AWS costs and migrated from MSSQL to MySQL.- Implemented security best practices.- Implemented arabic (right to left) support- Optimized performance.- Technologies: .NET Framework, Entity Framework, ASP.NET MVC.Transportation platform:- Utilized Microsoft Azure (WebApps, Azure Functions, Storage Account, Application Insights).- Technologies: ASP.NET Core (versions 2 to 6), Entity Framework, Microsoft SQL, Onion Architecture.- Set up CI/CD with Azure DevOps.- Optimized performance.

Cluj County, Romania

Main responsabilities:- Grow people from technical point of view- Tech lead - decide architecture & infrastructure of projects, guide people to go in the right direction- Held internal tech sessions- Held technical intervies- Cross project code reviewsSample projects:Incident management plaform:- Web application using ASP.NET MVC, Entity Framework, Layered Architecture- Amazon AWS: RDS MSSQL, S3, EC2, DynamoDB- Dashboards and data visualization using AWS Quicksight and Pan IntelligenceIndustrial engineering:- C#, .NET, WCF Rest, Git, MS SQL, Entity Framework, XML/XSLT, Streams, NUnit, Moq- WPFWeb application:- A web platform that allows companies and individuals to check if they have compensation rights for their flights based on EU regulations and to register/manage flight claims.- C#, .NET, ASP.NET MVC, Umbraco CMS, ASP.NET Web API, MS SQL, Entity FrameworkAzure AD B2C migration tool:- Developed a tool which migrated user data from a database to an Azure AD B2C instance, using a mapping and dynamically adding required extension properties for fields which were not present.Developed a REST connector to Dynamics CRM:- the connector was a bridge between other applications and Dynamics CRM Soap Services- the interface was a configurable REST Service (Web API), which allowed a mapping between Dynamics CRM entities and a different data structure exposed through the REST Service Developed Rest Services for a media company:- Web API with Hypermedia (HAL standard)- nHibernate and MySql databaseDeveloped OData Rest Services for a crowdfunding platform:- Web API with OData V4- Data retrieved from external services, via repository (REST, SOAP or no standard)Developed SOAP and REST services for loyalty services:- WCF for SOAP Services- Web API for REST Services- Layered architecture (common BL and DataAccess)- EntityFramework for data access- Microsoft SQL Server

Small Side Projects (Samples): 2023: Drugs Portal (PHP 8, Laravel, Auth0, MySQL, Docker) 2013: Microscopic Image Processing Application (Windows Phone, WPF, Computer Vision Libraries, Photometric Stereo) 2012: Components Portal (ASP.NET WebForms, Entity Framework, MSSQL) 2011: Employee Management Portal (PHP 5, MySQL, Apache) 2010: Facial Recognition System (Windows Forms, .NET Framework, Mathematical Algorithms, PCA)

Cluj County, Romania

Developed a courseware platform for a big software company:- ASP .NET MVC with .NET 4.5- EntityFramework 5 and Linq for data access- Microsoft SQL Server- Stream processing (upload/download of big files in a feasible way for high concurrency)- Javascript/JQuery

Cluj County, Romania

Worked on a backend system for a big insurance company:- ASP .NET MVC, with .NET 4.0- Multiple subsystems with layered architecture- EntityFramework 4 and Linq for data access- Oracle databases- WCF (BL made available between subsystems)- Javascript, JQuery, JQuery UI- Performance optimizations

Cluj County, Romania

Developed an invoicing system for cargo airlines:- ASP .NET WebForms, with .NET 3.5- nHibernate for data access- Oracle databases- WCF Services (separation of BL and UI layer)- Microsoft Ajax, JQuery for client side functionalities- Integration with IATA standard for airlines

Sevilla Area, Spain

Erasmus Internship

Master'S Degree, Artificial Intelligence And Vision

Teaching Staff Training Departments

Bachelor Of Engineering (Be), Computer Engineering