Ing. Amitay Plasencia Baras

- Improved performance of Web and Desktop applications, reducing module load times by ~25%. - Integrated AWS SNS/SQS to automate communication flows, reducing manual intervention by ~40%. - Strengthened software quality through unit tests (MSTest, NUnit), increasing test coverage to ~85%. - Enhanced team efficiency by creating structured documentation in Confluence, reducing onboarding time by ~20% - Boosted developer productivity using AI tools (Cursor, Claude Code), cutting repetitive coding tasks by ~30%

- Developed a geospatial Mapsui application rendering thousands of map data points with ~35% faster performance - Improved UX with WPF/MVVM components - Optimized SQL Server queries, reducing heavy query execution times from ~3s under 1s - Applied design patterns to improve maintainability, reducing refactoring time by ~20% - Improved sprint delivery predictability by ~15% through agile collaboration (GitLab, Jira) C# WPF, Threads, Asynchronous Programming, SQL Server, Design Patterns Full Stack Development

- Developed PHP/Symfony applications for corporate clients, improving feature delivery speed by ~30%. - Reduced deployment time by ~50% through optimized installation workflows. - Resolved customer issues with a ~95% satisfaction rate through direct technical support. - Improved sprint completion consistency by ~20% through SCRUM participation. - Optimized MySQL queries, reducing page load times by ~40%. Tech Stack: MySQL, PHP, Symfony Full Stack Development. GitHub https://www.webfactory.de/

Developed a corporate web system using ASP.NET MVC/Core, improving workflow efficiency by ~35% Applied design patterns, reducing code duplication and maintenance effort by ~30% Improved architecture using N‑Tier and System.Reflection, reducing bug resolution time by ~25% Implemented Web Services (asmx) and JSON pipelines handling thousands of daily requests Optimized SQL Server queries, reducing report generation time from ~12s to ~3s

Improved WCF service reliability, reducing downtime incidents by ~40%. Developed WPF/MVVM components increasing modularity and reducing development time by ~30%. Automated reporting using LINQ, NodeJS cutting manual reporting time by ~50%. Enhanced architecture with N‑Tier and design patterns, reducing regression bugs by ~20%. Implemented unit tests increasing code stability and reducing production issues by ~15%. WCF services. WPF Object Oriented Programming (OOP) SQL Server Full Stack Development.

Implementation of a Point Of Sale using WPF with the MVVM pattern (Views, ViewModels, Generic User Controls), C#, LINQ, Generic Classes, Entity Framework, Repositories, Unit Of Work, AutoMapper, Async Processes, ADO.NET, TFS. Full Stack Development. Stored Procedures. Tables modification and creation in PostgreSQL Databases. Unit Tests. PDF Manipulation with iTextSharp. MultiLayer (N-Tier) Architectures. Design Patterns (Strategy, Template Method, Facade, Adapter, Proxy, Repository). System.Reflection.

Development of an ERP (Enterprise Resource Planning) system in C#, Windows Forms, LINQ, WPF (Views and User Controls) with the MVVM pattern, Generic Classes, Repositories, Jira, TFS, Unit Of Work, AutoMapper and Object Persistence using Entity Framework in Microsoft SQL Server Databases. Implementation of Stored Procedures and Triggers for SQL databases. Implementation of Windows Services. Implementation of Web Pages using ASP.NET, ASP.NET Core, both with MVC and Bootstrap

Development of an ERP (Enterprise Resource Planning) system using C#, WPF (Views and User Controls) with the MVVM pattern, Windows Forms, LINQ, Repositories, Generic Classes, Source Version, Scrum meetings, Unit Of Work, AutoMapper and Object Persistence using NHibernate in PostgreSQL databases. Implementation of Stored Procedures and Triggers for those PostgreSQL databases.

Development of an application using C#, Windows Forms, WPF, ADO.NET and SQL databases to manage the fleet of ships along with their inventory and maintenance tasks. Development of a C# application in WPF to calculate the cost of a ship´s travel and see the ship´s performance. Development of a C# application in Windows Forms used by the ships to send their reports to the company.

Development of a C++ application to load the files of the formats HLP and CHM. Full study of the formats structure. Load and display all data structures and binary fields. Ellaboration of a C++ grammar to detect whether a file is HTML or not. Implementation of a C++ application to extract identification signatures of infected HTML files using a heuristic method. Implementation of an application to generate updates for Segurmatica Antivirus in Windows (C#).