Felipe Bernardes
@felipebernardes
I build secure Java microservices and payment systems with measurable performance improvements.
BrazilWhat I'm looking for
I've built and maintained critical payment systems at Evertec Brasil, supporting credit card purchases, refunds, reversals, and transactional processing. I developed a transaction simulator that streamlined integration testing and demonstrations for internal teams and external users.
At GBX Brasil, I independently migrated a critical platform from PHP to Java with Spring Boot, creating a more secure, scalable, and maintainable architecture. I also built REST APIs, asynchronous messaging with Kafka and Amazon SQS, and authentication flows using JWT, OAuth, and Amazon Cognito.
At OrderBy Sistemas, I reduced an insurance claim system's loading time from approximately two minutes to 12 seconds by optimizing backend processing and database access. I delivered frontend and backend features for clients including C6 Bank and Invista.
I'm focused on Java, Spring Boot, microservices, cloud infrastructure, API security, and reliable backend software. I'm interested in international distributed teams where I can modernize critical systems and solve complex backend challenges with measurable business impact.
Experience
Work history, roles, and key accomplishments
Developed, maintained, and enhanced backend applications using Java and Python.
Worked on critical payment systems supporting credit card purchases, refunds, reversals, and transactional processing.
Developed a transaction simulator that improved integration testing and supported demonstrations for internal teams and external users.
Used AWS, Docker, Gradle, MySQL, and DynamoDB to maintain and e
Developed new features and maintained Java-based microservices for enterprise applications.
Investigated application issues through build monitoring and log analysis.
Worked with PostgreSQL, SOAP services, Docker, and Kubernetes in a distributed microservices environment.
Used SVN for source control and supported application deployment and maintenance processes.
Collaborated with development a
Developed and maintained Java microservices using Spring Boot, Spring MVC, Spring Data, Hibernate, and JPA.
Led and independently executed the migration of a critical platform from PHP to Java with Spring Boot, creating a more secure, scalable, and maintainable architecture.
Developed REST APIs and implemented authentication and authorization using JWT, OAuth, and Amazon Cognito.
Built asynchronou
Developed and maintained enterprise applications using Java, Spring Boot, REST APIs, and SQL Server.
Delivered new features and performance improvements for major clients, including C6 Bank and Invista.
Reduced the loading time of an insurance claim system from approximately 2 minutes to 12 seconds by optimizing backend processing and database access.
Developed frontend and backend features using
Supported users and assisted with customer data updates and database operations.
Developed internal routines, bug fixes, and system improvements.
Assisted senior developers with application maintenance and technical troubleshooting.
Gained practical experience with Java development, SQL, and enterprise systems.
Provided technical support to employees and assisted with infrastructure-related incidents.
Supported the maintenance and monitoring of virtualized environments.
Troubleshot hardware, software, network, and user-access issues.
Contributed to infrastructure improvements and operational support activities.
Education
Degrees, certifications, and relevant coursework
Universidade do Vale do Rio dos Sinos (Unisinos)
Curso Superior de Tecnologia (CST), Computer Software Technology/Technician
2023 - 2027
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
Skills
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