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Bruno Oliveira Barreira

@brunooliveirabarreir

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Experienced Java senior engineer specializing in e-commerce solutions.

Brazil

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What I'm looking for

I am looking for a challenging role in a dynamic company that values innovation and offers opportunities for professional growth.

As a seasoned Java senior engineer, I have dedicated my career to developing and implementing comprehensive e-commerce solutions. With a Bachelor's degree in systems analysis from PUC-RIO, I have honed my skills in Java (versions 8 to 21) and SpringBoot, enabling me to build robust and scalable applications. My experience spans across various roles where I have successfully designed and managed microservices, optimized application performance, and ensured software quality through rigorous testing methodologies.

Throughout my professional journey, I have played a pivotal role in transitioning monolithic systems to microservices architectures, enhancing flexibility and scalability. My expertise extends to managing databases such as Postgres and DynamoDB, implementing Kafka for efficient communication, and configuring CI/CD pipelines with Jenkins to streamline deployments. I am passionate about code refactoring and maintaining legacy systems, ensuring they meet modern standards while delivering high performance.

My work has not only focused on technical excellence but also on collaborating with cross-functional teams to deliver solutions that meet business needs. I thrive in environments that challenge my skills and allow me to contribute to innovative projects, particularly in the e-commerce sector.

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Experience

Work history, roles, and key accomplishments

Current

Java Senior Engineer

Current

Ipsy/BFA

Jan 2022 - Jan 2025 (3 years)

Developed and implemented comprehensive e-commerce solutions using Java and SpringBoot. Managed microservices, optimized application performance, and conducted extensive testing to ensure software quality. Configured CI/CD pipelines with Jenkins for efficient deployment.

Java Spring Boot Microservices Postgres DynamoDB Kafka CI CD Jenkins Testing

Java Senior Engineer

Square Trade

Jan 2022 - Feb 2022 (1 month)

Created an e-commerce system for furniture insurance, utilizing Java and Spring Boot. Implemented a microservices architecture and established CI/CD processes with Jenkins to ensure reliable deployment.

Java Spring Boot Microservices PostgreSQL

Java Senior Engineer

Jobvite

Feb 2021 - Feb 2022 (1 year)

Developed a human resources management platform using Java and Spring Boot. Implemented comprehensive testing strategies and established CI/CD processes with Jenkins and ArgoCD.

Java Spring Boot Microservices PostgreSQL

Java Senior Engineer

GAP

Feb 2021 - Mar 2021 (1 month)

Developed and managed an inventory system for an e-commerce platform using Java and Spring Boot. Implemented microservices architecture and established CI/CD processes with Jenkins.

Java Spring Boot Microservices Oracle

Specialist Engineer

Stone

Jan 2020 - Feb 2021 (1 year 1 month)

Designed the architecture of bank locks and developed payment systems using .Net Core and C#. Focused on security measures and microservices architecture.

.NET Core C++Microservices SQL Server

Java Senior Engineer

M4U

Jan 2018 - Jan 2019 (11 months)

Worked on systems for prepaid cell phone refills, contributing to design and architecture. Utilized Java and SpringBoot, and participated in all phases of the software development life cycle.

Java Spring Boot Microservices MySQL

Java Senior Engineer

B2W Digital

Apr 2014 - Oct 2018 (4 years 6 months)

Developed features for an e-commerce platform focused on B2B transactions. Transitioned from monolithic to microservices architecture and improved tools for team workflow.

Java Microservices MySQL PostgreSQL

Java Senior Engineer

TO Brasil

Apr 2014 - Apr 2014 (0 months)

Provided expertise in system architecture and development for maritime transport systems. Assisted in critical decision-making regarding technology and design patterns.

Java Systems Architecture Maritime Design Patterns

Java Architect Engineer

Fundação Ary Frauzino – Alocação INCA

Jan 2013 - Jan 2013 (0 months)

Oversaw Java-related projects, focusing on architecture design and development. Implemented a system for cancer mortality indexing in Brazil, collaborating with healthcare professionals.

Java Architecture Design Project Management Team Leadership