Walter Fernandes Justino
Backend Software Engineer
São Paulo, SP, Brasil
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Followers0
FollowingI am a back-end developer with more than 3 years of professional experience in developing scalable rest microservices in Java spring boot. I've worked on projects using the following technologies: Java, Kotlin, Spring boot, hibernate, Jenkins, Sonarqube, Gitlab, BitBucket, Github, TDD, BDD, Cucumber, Wiremock, Junit, Mockito Liquibase, Apache Camel, Kafka, Database: Oracle, Postgresql, Mysql, MongoDB, DynamoDB.
Careers
Backend Java Developer
Nexmuv Technology
Full time03/2023 - 02/2024
- Working for the client UOL, focusing on the backend in the area of business billing process management, supportingexisting microservices, attending incidents and developing scalable microservices (APIs) in REST using BPMN to visualize and implement new features, with the frameworks: Spring-boot, JPA, Hibernate, Maven, Gradle. in BitBucket versioning, Jenkins for deploys, database: Oracle, Postgresql and MongoDB
- Creation of unit tests using TDD with Wiremock and Junit.
Junior Software Engineer
NTT DATA
Full time07/2022 - 01/2023
- Project: Implementation of the Online Liquidation Project at Itaú.
- Performance focused on the Back-End developing scalable microservices in REST and Kafka, using the frameworks Spring-boot, JPA, Hibernate, GITLAB, Services used on AWS: CI/CD with CodePipeline,Sonarqube, DynamoDB, Amazon S3,Lambda, Cloudwatch, EMR.
- Creation of unit tests using TDD and BDD with Cucumber and Junit.
Junior Software Engineer
NTT DATA
Full time06/2021 - 05/2022
- Project: Implementation of the Investment Project Model Portfolio at Santander bank.
- Performance focused on Back-End, developing scalable microservices in REST, using frameworks: spring-boot, JPA, Hibernate, GITLAB, CI/CD with Jenkins, Sonarqube, Creation of unit tests using BDD with Cucumber, modeling and creation of tables in the Postgresql database with liquibase.
- Apache Camel to integrate high-platform transactions (mainframe) and be consumed by the application via Json.
IT Infrastructure Analyst
Bradesco Bank
Full time07/2019 - 06/2021
- Analysis and management of systems and infrastructure of Bradesco Bank, monitoring credit card transactions of Bradescard and others financial services companies: Amex, Elo, Master and Visa, acting with preventive and reactive performance providing high availability and business continuity, managing changes and improvements for various platforms, from the management and monitoring of datacenters, to the mainframe, DB2, assistance in the area of Systems
- Development in the execution of Scripts in the Databases: SQL Server, Teradata, Oracle, and execution of Deploys in Jenkins.
Education
Anhanguera Educational
Analysis and Development of Systems
01/2010 - 07/2012Associate DegreeClass of 2012
Skills
SQL developmentKotlinSpring BootJavaUnit-testingautomated testing
ExperienceMid-level3-5 years
Hourly rate$30/hr
Open to
remote
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