Java Engineer
Back-end Engineer
Available for hire
Years of
experience
3+ years
Experience
level
Mid-level
Available
for
Full-time, Part-time, Contract, Freelance, Internship
Available from
05 Jul 2026
I’m a Java developer with experience in the financial market, developing robust and scalable applications using solid coding practices and CI/CD pipelines. I also have experience with cloud-based development and DevOps practices.
Languages
Employment History
Software Engineer at
Cerc Sa
2024
-
2025
● Development and maintenance of microservices (Spring) and REST APIs with a
focus on quality, testing, and observability, handling ~150k req/day.
● Creation of unit and integration tests (JUnit/Mockito).
● Strong involvement in production incidents, reducing recurrent issues by ~35%.
● Monitoring and troubleshooting of asynchronous systems using Kafka and Pub/Sub,
ensuring event and message reliability.
● Frequent code reviews and collaboration with multidisciplinary teams.
Software Engineering Intern at
Cerc Sa
2022
-
2024
●
●
●
●
Development of backend systems in Python/Flask in the insurance team.
Code refactoring, eliminating the number of identified code smells.
Development of tests, increasing codebase coverage by 80%.
Implementation of Java/Spring Boot APIs in the new business and sustainment team,
focused on payment arrangement registrations.
● Infrastructure automation in GCP with Terraform in the SRE team, optimizing
resource provisioning and pipelines.
● Support for the sustainment of critical applications and integration between
development and operations teams.
Education
Bachelor's Degree in Science and Technology at
Universidade Federal de São Paulo
2020
-
2025