Carlos H.

Data Engineer

Senior Java Software Engineer
12/1/2021 - 6/1/2023

Since April 2022, led a product innovation squad at the Ministry of Health focusing on migrating monoliths to a modernized chatbot platform, mastering Java 8+ alongside NodeJS and AngularJS. Expertise extended to database management with MongoDB, SQL Server, and PostgreSQL. Utilized frameworks such as Spring Boot, Spring Security, and Spring Data, and tools including Maven, REST, and Junit. Gained significant experience with Elastic, Kibana, and Logstash, and leveraged cloud services from AWS.

Previously, served as a Tech Lead in a Payments squad at a banking institution until April 2022, targeting service integration with diverse payment methods. Proficient in Apache Camel and Google Cloud infrastructure, adhering to a Hexagonal architecture paradigm. Technical skills encompassed Java 8/11, Spring Boot, Spring Security, Spring Data, SYBase, SQL Server, Maven, RabbitMQ, REST, and Junit. Demonstrated expertise in CI/CD pipelines using Spinnaker, Jenkins, Kubernetes, and Sonar.

Senior Java Software Engineer
12/1/2021 - Present

Executed the integration of sales superApps leveraging expertise in Java 11+ and extensive database management capabilities with MongoDB, SQL Server, Postgres, and MySQL. Utilized Spring Boot, Spring Security, and Spring Data to develop robust applications, and employed Maven for build automation and REST for web services. Demonstrated proficiency in unit testing with JUnit.

Established a strong foundation in cloud technologies with experience in AWS, including Amazon S3 and EC2, as well as Google Cloud Platform (GCP). Applied the Elastic Stack (Elasticsearch, Logstash, and Kibana) for data analysis and visualization. Implemented messaging and integration patterns using Apache Kafka and Apache Camel.

Ensured seamless deployment and continuous integration/continuous deployment (CI/CD) pipelines using Jenkins, Kubernetes, and Sonar. Excelled in solution architecture and the development of microservices, harnessing Spring Boot and Spring Cloud for scalable solutions. Cultivated strong skills in REST APIs, pipeline management, and unit testing methodologies, contributing to high-quality, efficient, and reliable software solutions.

Senior Java Software Engineer
10/1/2018 - 2/1/2020

Developed Big Data solutions emphasizing data ingestion improvements and enhancing business value delivery. Worked in both Batch and Fast layers utilizing technologies such as Kafka, Storm, Elastic Search, Hadoop, Redis, Angular 7, and SpringBoot. Demonstrated expertise in Pipeline DevOps tools including Jenkins, Harbor, Openshift, and Rundeck. Created and maintained unit tests and functional tests using JUnit and Jasmine. Extensively worked with Spark, HBase, and HDFS, contributing to robust data processing and storage solutions.

Full Stack Developer
3/1/2016 - 10/1/2018

Served as a technical leader fostering the development of team members and creation of a collaborative environment, ensuring continuous deliveries and high-performance solutions. Facilitated the implementation of new products and technologies, leveraging Oracle Middleware including Service BUS and BPEL, as well as Java EE development with Spring Framework, EJB, JPA, Hibernate, JSF, LOMBOK, and Maven.

Utilized Kubernetes with Docker and fabric8 for container orchestration, and managed application servers including JBoss EAP 6.4 and Weblogic versions 8.1.6 and 10.3.6. Emphasized OpenSource innovation and microservice architecture while maintaining Oracle databases. Managed code repositories using Gitlab and SVN, and implemented CI/CD pipelines with Jenkins integrated with Sonar and Gitlab. Handled Gmuds processes efficiently through OTRS.

Oracle Middleware Consultant
8/1/2013 - 4/1/2016

Developed proficiency in middleware development and sustainment utilizing Oracle BPM, SOA (Service Bus, Human Workflow, Business Rules), and Oracle Data Integrator 12c. Demonstrated extensive experience in integration using Service Bus and BPEL. Ensured robust application development within the Oracle WebLogic Suite (ADF) and Oracle BPM Suite. Acquired substantial expertise in Java application development and process modeling using BPMN notation. Played a key role in estimating effort and deadlines and contributed to PreSales of Oracle solutions.

Java Consultant
8/1/2012 - 8/1/2013

Developed expertise in the design and implementation of solution models using Design Patterns. Engaged in various projects for multiple clients, focusing on knowledge transfer to team members and supporting project development. Conducted thorough analyses and proposed solutions tailored to specific business models. Played a significant role in both the functional aspects and the delivery of projects. Utilized technologies such as EJB3, JSF1.2, JPA, Struts 1.2, SEA, Widget, Axis 2, SOAP, Spring Batch, JSP, and Servlet. Worked extensively with WebSphere 6.1 and 7.0 container for deployment and management.

Analyst Developer Java
4/1/2011 - 8/1/2013

Implemented, customized, and integrated various processes related to health insurance. Conducted impact analysis, developed integrations with ERP SAP via WebService, and innovated technology solutions for health product optimization. Utilized Java for product development, leveraging a proprietary framework alongside JSP, JavaScript for client validation, Jasper for reporting, Oracle for database management, Eclipse IDE for development, and Tomcat as the web server.

Analyst Developer Jr
3/1/2009 - 3/1/2011

Developed, maintained, and managed benefit management and healthcare systems. Acted as an analyst developer for an HR Connect system, a web application focused on personal benefits management, including enrollment movement, electronic management of employee statements, and management reporting. Utilized Java for system development, employing Eclipse as IDE, JSP, and Servlet with Tomcat as the server. Incorporated JSF and Hibernate frameworks, and managed databases using PostgreSQL.

Nanodegree in Fundamentals of Data Science at Udacity
2017 - 2019

Chácara Sto. Antônio at Paulista University
2010 - 2012

Interlagos does not appear to be an educational degree. Could you please provide more specific information or clarify the educational degree you're referring to? at Ibirapuera University
2006 - 2008

DevOps Essentials at 4Linux
7/1/2018