Ernesto F. Romero Email & Phone Number

Guadalajara, Jalisco, México

✔ Create medical insurance application to register information about patients request including medical services, diagnosis, enrollments, service providers, appeals, notes, attachments, etc. which works with React and NextJs using React Hook Form, Redux and Tailwind. ✔ Handling complex data form validations with 'zod' library schemas.✔ Using Microfrontends to communicate and use external components.✔ Implemented normalization-data form approach to handle complex nested relationships between medical services.✔ Create full Org-Chart application (FE + BE) which creates an organization chart by searching root employee chart node and customizing chart display information and depth chart level by collapsing branches by employee departments.- Frontend implemented on React, Redux and Styled Components which the key feature was a recursively React component. Adding Auth0 for authentication using JWT and deployment through Github pages.- Backend implementation on Serverless Framework which creates API Gateway and Lambda (NodeJs) to retrieve employees information through a connection to Google BigQuery, using AWS Secrets Manager to store API key for Google BigQuery API call. Created CORS API implementation to retrieve employees photo from BambooHR.✔ Get the AWS Certified Solutions Architect - Associate

Guadalajara, Jalisco, México

✔ Working on FE application in pharmaceutical industry to request being a client implemented by trough a mono-repository with following frameworks: Typescript, Redux, Styled components and React Hook Form to handle validations.✔ Working on the frontend side for Discovery Kids Plus project in both applications Web and Mobile (Android + iOS) implemented though React and React Native.✔ Improve performance for both applications (Web + Mobile) and taking ownership of several modules of the application (mostly for Web) which they are: search screen, application carousels, fetching data by batch, authentication flow, graphQL requests, SEO, main layout to show content, application header.✔ Supporting team members on their professional growth through mentorship, solving doubts and questions, giving advices, feedback and helping in solving complex problems.✔ Support on Wizeline hiring process as a technical interviewer for new candidates.

Aguascalientes

✔ Supporting IHG global reservation web application working with Scrum methodology and GIT as version manager.✔ Working on migration of classic web application to responsive web application mainly through the following front-end technologies: Javascript, ES6, Typescript, Angular, Angular NgRx, Reactive Javascript RxJs, Bootstrap, SASS. Using Jasmine and Selenium framework for implementation of automated tests and related to the build of the application we used Grunt, Webpack, Maven and NodeJS.✔ Adding features or updates to classic web application with JSP, Servlets, Spring MVC. Using jUnit and Selenium framework for tests automation and coverage as well as Sonar to verify code quality.✔ Using Adobe AEM to handle web site content.✔ Using Smartling to handle web site content translations.

León, Guanajuato

✔ Pre-sales and sales of IT consulting services and software development services. ✔ Implementation of marketing mail campaigns and Social Media, client phone calls and customer visits for pre-analysis of technology services and solutions. ✔ Determination of Technical and Economic Proposal for clients solutions.✔ Gathering requirements and acceptance tests with client.✔ Development and implementation of software projects in JEE Technology primarily (Spring, Hibernate, JPA, JUnit, EJB, JSF).✔ Design and construction of websites through CMS Joomla and Wordpress.

León, Guanajuato

✔ Maintaining and updating of BanBajío core system and electronic banking in Fincentric Wealthview and PHP technology primarily. ✔ Optimizing the balancer request coming from the clients (Electronic Banking) to the core system. Performance was improved by about 300% changing strategy. Work on a graphic representation of Balancer workload across Lanterna google framework.✔ Reengineering of provider payment and paysheet systems, uploading files was changed to web services, file validation switched from offline to online mode.✔ Development and implementation of web bank's micro-sites by Joomla.✔ Developments of web services for buy airtime across electronic banking exposing web services in CXF. This web services connect with BanBajio core system to make the payment charge in any client’s credit or debit card, then connect with Prosa web service across Axis to credited airtime.✔ Configuration of synchronization routines via rsync and linux cron in a distributed virtual machine environment where BanBajio's website is hosting through the Joomla CMS, so that all the updates made to the Joomla main instance was reflected to the other server instances.✔ Great experience in Linux because electronic banking and BanBajío’s websites were installed on Linux Red Hat 5 virtual machines, therefore, to work in both environments was needed make constant configurations to Linux. ✔ Linux experience: samba server, apache server and rewrite rules, services configuration, linux cron, linux run levels, a little of shell script, network settings, user and permissions management, repositories, mount settings, installation and package compilation, vim editor, among other tools.

León, Zacatecas, Aguascalientes, Df

✔ Pre-analysis: design and initial decomposition of software components and estimating them. ✔ Gathering requirements and acceptance tests. Working with requirements methodology (Business requirements, User requirements, Functional and Non-Functional requirements and Software Prototypes). Work with UML: Use case, Sequence diagrams, Activity diagrams. ✔ Work in High Level Design phase (Components and Interfaces definition, design of logical and physical model of the database) Work with UML: Class diagrams, Deployment diagrams, Diagrams of components and packages. ✔ Development of software components with design patterns: planning, design, coding and unit testing all of these with personal reviews and peer review.✔ Software Testing: developing integration testing, system testing, stress and release testing. ✔ Working with TSP and PSP development methodology in all projects. ✔ Role of technical leader and functional leader on lasts projects. Management and coordination of small java programmers teams. Provider of the business rule to programmers, software component validation, testing and documentation validation. Code inspection. ✔ Instructor of software processes and technologies during last year.✔ Work on continuous integration tools: Jira, Confluence, Bamboo, Fisheye, Hudson.

León, Guanajuato

✔ Training for Sun Certified Programmer for the Java Platform 1.5.✔ Working in a clients and providers catalog in a web application with Java and Swing.✔ Working in maintenance for Loteria Nacional web system, build on JSF and Servlets.✔ Develop a web site with Adobe Fireworks.

León, Guanajuato

✔ First work after university, in this company systems were built in Informix 4GL technology, the system screens were displayed in black screen mode like MS-DOS. Informix 4GL evolved to Genero (4js) technology, which showed graphical displays and screens like Windows.✔ Migration of customer orders system module from 4GL to Genero✔ Development of users management and privileges system.✔ I have meetings with users to get requirements and speak about improve to the modules that would be migrated, acceptance testing, user training.

Master In Enterprise Information Technologies, Maestría En Tecnologías De Información Empresarial

- Engineering Management - Accounting Engineering - Electronic Business and the Digital Economy - Enterprise Resource Planning (ERP).

Computer Systems Engineer, Ingeniería En Sistemas Computacionales