Computer Science and IT

Programming and Software Development	Data science	Other qualifications
Some of the languages I've worked with: Java Java GUI Programming R Programming Python Shell Scripting C language Matlab, Scilab SOLID Principles Class vs Object vs Instance Methods Variables Modifiers +/- Four fundamental OOP concepts Encapsulation Inheritance Polymorphism Abstraction Nested classes Upcasting - Downcasting Errors and Exceptions Passing Object References Connecting to a MySQL database using Java Threads Serialization +/- Object Orientation with Design Patterns +/- Creational Patterns Singleton Pattern Factory Pattern Abstract Factory Pattern Builder Pattern Prototype Pattern +/- Structural Patterns Adapter Pattern Facade Pattern Proxy pattern Decorator Pattern +/- Behavioural Patterns Chain of Responsibility Pattern Command Pattern Iterator Pattern Observer Pattern Mediator Pattern +/- Data Access Patterns Data Access Object Pattern +/- Model-View-Controller MVC +/- Web Development HTML CSS Django FastAPI JavaScript React React_2 Node.js - Express.js Dash - Plotly PHP Ruby on Rails Web server Web mapping HTML presentation with Reveal.js Excelentes diseños de WebSites Systems Analysis & Design Universal design GitHub	Big Data Integration Web services Apache Hadoop	Linux Advanced experience with the most popular flavors of Linux: Debian, Ubuntu, Red Hat, CentOS. Administration of LAMP stack: Apache, MySQL, PHP. Shell Scripting Show more Installation and Post-installation configurations. Users and Groups Administration. Modify File Permissions. Managing Processes. Backups. Network File System (NFS). Communications with remote Linux computers: {\it SSH} client and server. Study points for the RHCSA exam Databases Database design Conceptual design Entity relationship modelling The Enhanced Entity-Relation Model Logical design Relational Model Normalisation RDBMS +/- MySQL Backup and Restore MySQL/MariaDB Databases Import a CSV file into a MySQL database Reset the MySQL/MariaDB Password Authentication and Authorization SQL Practice Labs Stored Procedures Stored Functions Triggers Events Cursors Transactions Exception Handling PostgreSQL GUI DB administration tools MySQL Workbench SQLectron Cloud Computing Virtualization Networking Network Simulation using PacketTracer +/- Geophysics Modelado sísmico