Guillermo Zerquera

Experience

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  University of Computer Science

  Sept 2006 - Jul 2012

  Software Engineer

  Since the 3rd year I was a member of the important project "Cuba Identity", which is the unique national identification system (SUIN) that is used at the country level in all processing offices for natural or legal persons. In March 2011, being in the 5th year of my degree, I was selected to provide technological-computer support to a Comprehensive Diagnostic Medical Center in the country of Venezuela. ✔ TECHNOLOGIES • .NET • C# • Visual Studio 2005 • Oracle • ASP.NET • NetBeans Show less

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  Digital Magazine "Horizonte Pedagógico"

  Sept 2012 - Dec 2015

  Web application developer

  It is a scientific and technological magazine that disseminates the results of research in the field of teaching and pedagogical sciences in Cuba. ✔ COMMITMENTS • Detailed documentation of functional and non-functional requirements. • Application architecture: definition of components and their interaction. • Creation of prototypes and wireframes for the user interface. • Frontend development: creation of interactive user interfaces. • Integration of components and modules. ✔ TECHNOLOGIES • PHP • MySQL • HTML • CSS • JavaScript • Apache • CMS Joomla Show less

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  ETI

  Jan 2016 - Sept 2021

  Full Stack Developer

  A company providing services and products to the cuban biotechnology and pharmaceutical industry and to third parties in information and communication technologies (ICTs). Nationally and internationally certified, with high technical level services and proven effectiveness. ✔ COMMITMENTS • Participate in the planning and design of technical solutions. • Create database schemas and design the user interface. • Implement interactive and responsive user interfaces using HTML, CSS and JavaScript. • Use client-side frontend frameworks and libraries such as ExtJS. • Create business logic and server-side services using languages such as PHP and C#. • Work with database management systems (PostgreSQL and SQLServer). • Develop and maintain APIs for communication between frontend and backend. • Use version control systems such as Git to manage source code. • Perform unit and integration tests to ensure code quality. • Collaborate with other team members, such as designers, QA staff, and other developers. ✔ TECHNOLOGIES • .NET • Visual Studio • C# • PHP • PostgreSQL • SQLServer • ExtJS • Git Show less

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  Freelance professional

  Oct 2021 - Nov 2022

  Company strongly committed to delivering quality laboratory tests. Its goal is to provide its customers with consistently accurate and diagnostically meaningful testing information. ✔ COMMITMENTS • Identification of user and business needs and objectives. • Database design, including schemas and relationships. • Definition of the information structure and navigation. • Implementation of the backend: coding of the business logic and data management, specifically a system capable of scheduling appointments for specific medical analyses, while providing a reporting system so that the patient can consult their medical results. • Use of good coding practices and design patterns. • Performance and security tests. • Deployment of the application in a production environment. • Configuration of servers and necessary services. ✔ TECHNOLOGIES • Yii2 Framework • PHP • Javascript • CSS • HTML • PostgreSQL Show less A tax system developed to control the economic flow in a real estate company, with the ability to generate reports and with an implementation of a dashboard to synthesize the company's information, executing real-time monitoring of different statistical criteria, thus facilitating decision-making. ✔ COMMITMENTS • Development of different functionalities related to business logic. • Implement solid security measures to protect dashboard information. • Use good security practices of the Yii2 framework. • Validate input data to prevent attacks such as code injection. • Systematic sessions with the client to validate functionalities and progress of the system. ✔ TECHNOLOGIES • Yii2 Framework • PHP • Composer • Active Record • PostgreSQL • Bootstrap • jQuery • Twig • RESTful API • PHPUnit Show less

  • Full Stack Developer

    Jul 2022 - Nov 2022

  • Senior Software Engineer

    Oct 2021 - Jun 2022
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  NTSprint

  Dec 2022 - now

  Senior Software Development Engineer

  Company committed to providing excellent services that positively impact our community, industry and the technological world, specialized in: 1. Backend development in the Cloud or on-premise, with solid experience in AWS, Azure, Google Cloud. API development on .Net, .Net Core, Nodejs, PHP, etc. 2.Frontend development using Angular, React or many other JavaScript frameworks. 3.Mobile development using native or hybrid technologies. ✔ COMMITMENTS • Create solutions and be able to be a technical leader. • Owner of complex projects from start to finish. • Design solutions and drive implementation. • Often helping other junior developers achieve the common goal. • Impact on the team, not only measured by the code written, but also by how much I am able to guide and empower the team to deliver results. • Master of systematic meetings, with fluent English and outstanding communication skills with a clear projection. ✔ TECHNOLOGIES • .NET • Net Core • ASP.NET • Azure DevOps • C# • English • Entity Framework • IIS • JavaScript • Postman • SQLServer (SSAS) • Team Work • CSS • NHibernate Show less