Rafael Holland

Engenheiro de software @ Rede

About

Backend Software Engineer with solid experience in Java and Spring Boot development, building robust APIs and real-time data pipelines using AWS (Glue, ECS, EC2, CloudWatch). I’ve contributed to large-scale systems and backend modernization efforts, working with technologies like OpenSearch, DynamoDB, Spark, and Terraform. Passionate about writing clean, reliable code and solving real-world problems. I thrive in agile, collaborative environments and love contributing to products that create meaningful impact for users. Open to new challenges across Europe and globally.

Country

Brazil

City

São Paulo

Industry

Information Technology & Services

Skill

Domain driven design, Sonarqube, GitHub, Inglês, Java, JavaScript, Spring Boot, MySQL, Capacidade analítica, Desenvolvimento de software, SQL, Python, Spring Framework, Docker, Amazon EC2, Amazon Web Services, HTML, Eclipse, Linux, CSS

Experience

Engenheiro de software

Rede

2024-1 - Present · 2 yrs 9 mos

São Paulo, São Paulo, Brasil

- Developed Java microservices using Spring Boot. - Developed and maintained backend solutions for B2B sales processing, including batch and streaming ETL pipelines. - Contributed to system modernization using AWS Glue Streaming and PIX (Brazil's instant payment system). - Migrated from DynamoDB to OpenSearch, including stress testing and initial validation. - Built large-scale ETL pipelines with Spark and PySpark on AWS Glue.- Utilized AWS (ECS, EC2, CloudWatch), created Python scripts for ETL. - Used Terraform for IaC and monitored performance with AppDynamics.

Java Software Developer

CI&T

2022-8 - 2024-1 · 1 yr 6 mos

São Paulo, Brasil

- Developed Java microservices using Clean and Hexagonal architecture. - Delivered business-critical features for investment platform modernization. - Applied TDD with JUnit, Mockito, and Spock; used Git Flow in Bitbucket. - Agile development with Scrum and Jira.

Java Software Developer

2022-1 - 2022-8 · 8 mos

São Paulo, Brasil

- Contributed to core systems for health insurance. - Developed and optimized Java/Spring features; supported technical analysis. - Collaborated in agile teams using Jira and Git/Bitbuck