Bill A. Llach Email & Phone Number

United States

New Jersey, United States

Florida, Usa

Functions:• Design and develop data visualizations to present insights derived from machine learning models.• Support the maintenance and improvement of machine learning models by implementing necessary updates and enhancements.• Analyze and treat data provided by machine learning models to identify patterns, trends, and anomalies.• Test and evaluate machine learning models to ensure their accuracy and effectiveness.• Develop SQL scripts in Google BigQuery to retrieve and manipulate data for analysis and reporting purposes.• Create documents outlining common processes and descriptions to facilitate knowledge sharing and standardization.Achievements:• Successfully designed and implemented visually appealing data visualizations that effectively communicate complex information to stakeholders.• Contributed to the enhancement of machine learning models, resulting in improved accuracy and performance.• Implemented data preprocessing techniques that led to more accurate analysis and better insights from machine learning models.• Conducted thorough testing and evaluation of machine learning models, identifying areas for improvement and implementing necessary adjustments.• Developed efficient and optimized SQL scripts that improved data retrieval and manipulation processes in Google BigQuery.• Created comprehensive documents outlining common processes and descriptions, enabling efficient onboarding and knowledge transfer within the team.

Functions:● Develop prototypes of SPA (single-page application) and websites for different companies and individuals so they can promote their services, products and facilitate the growth of their business using languages such asJavascript, CSS, HTML, Angular, Shopify, Wordpress and Webflow.● Research and document the advantages of each of the languages to be used in order to be able to provide complete advice to customers and that they themselves can choose the tools with which the developments would be made according to their needs.● Perform a payment gateway integration to E-commerce in Shopify and WooCommerce to secure and improve product sales digitally.Achievements:● I created more than 10 SPA (single-page application) prototypes and more than 30 websites for different B2B and B2C clients, ensuring their functionality, usability and security, guaranteeing user experience.● I designed more than 10 web pages following the requirements given by the clients through Figma, ensuring that the designs are 100% aligned to the delivered screens.● I updated and optimized more than 15 web pages in order to improve their usability by users, improve loading times and security of the information recorded.● Designed, developed, and implemented the backend of the web application using Java and Spring Boot, which enabled the creation of a robust and scalable platform for handling user requests.● Implemented an efficient database management system using MySQL, which allowed for easy data retrieval and improved application performance.● Worked closely with a team of designers, a frontend developer, and a QA tester to ensure that the backend was fully integrated with the rest of the web application.

Barranquilla, Atlántico, Colombia

Functions:● Develop and maintain Angular applications to improve their security and functionality.● Manage relational databases in SQL Oracle DB and Amazon Redshift to optimize the use and views of the data, in addition to the creation of users to access the registered Data.● Support the implementation of Docker and Kubernetes to manage the compute resources available from AWS for applications.● Configure and monitor complex process Dags in Airflow using Python.Achievements:● I performed the development and security maintenance of an internal application of the company, to install and configure the SSL certificate and prevent the loss or theft of information, using Angular and Javascript.● I recorded 100% of the descriptive documentation on the developments made, in order to guarantee the traceability of the codes made, allowing their access and follow-up for future projects.● I migrated more than 10 tables with more than 1,000 records from Oracle to Redshift to adapt the data to the new infrastructure and allow access to the companies' data

Canadá

Functions:● Customize E-commerce on Shopify platform to troubleshoot the same with HTML, CSS and Javascript.● Interact directly with customers to develop solutions for their Shopify stores.● Improve previous developments in order to improve their performance, functionality and security.Achievements:● I made more than 180 dashboard entries, for the customization of E-commerce with technologies such as Javascript, JQuery, HTML, CSS, for the adjustment of the code and solution to the requirements of B2B and B2C customers.● I closed more than 180 B2B and B2C client requirements for user interface improvement and integration of third-party apps into their E-Commerce platforms in a period of 6 weeks.● I developed more than 200 improvements in the E-commerce platforms of client companies, ensuring their functionality and security