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English:
Upper Intermediate
Costa Rica
UTC -06:00
America/Costa_Rica
Sr Fullstack Engineer
Knowledgeable Java Developer is proficient at meeting business needs with modern, effective and scalable software frameworks and applications. Works effectively with technical teams and business leaders to conceptualize successful solutions. Highly knowledgeable about best practices in development and skilled with programming languages such as Java -- Big data – React in Front End JAVA: more years' experience in enterprise solutions
Want to hire this engineer?
Check if Hernan is availableExpertise
Years of commercial development experience
8 years of experience
Core technologies
Other technologies
Project Highlights
Transportation leader providing services
Apr `19 - Present
5 years
Walmart C.R, Walmart
Walmart Inc is an American multinational retail corporation that operates a chain of hypermarkets (also called supercenters) and discount department stores.
Responsibilities & achievements
Data was in Cloudera (data lake) and we do intense ETL processing and deploy to Azure We use Kafka, Elastic Search and lot of Bash Shell to triggers several extraction process Main solution is based on Spring microservices and for critical reports we use Scala and Spark We use multi threading for a smooth long-running data sync process, and JPA for persistence Transportation suite mgmt for trips and logistics
Web project for a transportation company US. We built an ERP using MVC.
Jul `18 - Apr `19
9 months
Milwaukee Manufacturing Equipment
The Milwaukee Electric Tool Corporation is an American company that develops, manufactures, and markets power tools
Responsibilities & achievements
Microservices, RabbitMQ Message Broker, Angular Bootstrap and also the use of Java for some mobile applications to provide truck drivers access to their personal financial information and also maintenance details and trip assignments The project involves an amazing challenge like communicate in real time the GPS units mounted in the truck containers against back office where client request orders are hosted Also inform about the status and temperature of the merchandise and other data related to trip like speed, storms issues on the road etc.
Worked on an online catalog accesible only by registered-vendors
Jul `17 - Jul `18
1 year
Milwaukee Manufacturing Equipment
The Milwaukee Electric Tool Corporation is an American company that develops, manufactures, and markets power tools
Responsibilities & achievements
Project is an online catalog accesible only by registered-vendors The tool is does dynamic adjustments as the user increase the quantity or change selected product by those offered by the system. Quotations discounts are also based on user sales rate Back end with Microsoft .Net 4.6, Web Api 2, C#, Linq, lambda, Shim libraries for mocking and Unit Testing, multi layer solution. Along with react we used lodash, a great library for async functions that minimice disturing users on managing the large data sets put on browser called as state. React user ES5 and ES6. Saga and lodash keep the state of the application up-to-date And we also used Lodash for clean JavaScript syntax On the backed: we used .Net 4.6 and restfull api, entity framework, linq, with sql server 2012 For continuous integration we used octopus. For source control we use TFS (team foundation server), in the frontend we used reactjs a javaScript library for single page application, react jsx syntaxt, infragistics controls (dinamic grid able to recalculate a lot of operations), bootstrap for look & feel Source control with Git
I work with React + Redux + Saga & Babel for the UI project interface
Jan `15 - Jul `17
2 years
Dallas
Enterprise web system for power industry Texas company, US
Responsibilities & achievements
As per client requirements we need to minimize the round trip to back end components due to some extensive business validations. Because of that we load a lot of details from back end into redux stage and from there we use react to populate components and pass among different React views The application also use Infragistics components as we need to populate complex grids that base the options the end user choose on each and every cell of the grid it has the ability to change color and trigger warning just right there in the same grid row all that fantastic visual effects has been managed Since the UI is such a super smart part of the application we also use some nice libraries to better deal with sync task. We use LODASH that simplify the async tremendously Java Developer – Linux Environment Project is about an alarm monitoring and predicting system for a power- generator retailer in Dallas, Data-sensors mounted installed on power- generator units send data to a large aws data streams service once. SiteCore 7.1 -Worked adding existing templates and enhancing content. Final customer was using sitecore for banners and promotions.
Agency
10-50
GMT-3
Uruguay
Core Expertise
Industries
Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Arts & Culture, Branding, design, web development, Augmented reality, SaaS
Want to hire this engineer?
Check if Hernan is available