J. Castanho Correia

5. SSr. Software Engineer at Mercado Libre

4. Sr. Software Engineer at ioasys

• Participated in sourcing, interviewing, hiring candidates
• Performed knowledge transfers on Java 11-19, Golang, Querydsl, BDD and artificial intelligence
• Allocated in CVC Corp's Communications project:
• Assumed a technical lead position and was responsible for providing technical leadership, defining the project's architecture, and managing the delivery of an engine that met the company's communication needs
• Designed and implemented a fully event-driven infrastructure from scratch
• Refactored a templating tool, significantly reducing template registration time
• Managed code reviews and approvals, as well as weekly deployments of applications
• Collaborated with product managers to define project directions and worked with support to investigate client issues
• Did code health improvements (eliminating tech debt, improving development workflow) and participated in interviewing potential candidates and helped with onboarding of new team members
• Assisted others with complicated tasks through pair programming and documented project structure, project-specific code conventions, technical decisions, and troubleshooting
• Allocated in CVC Corp's Extranet project:
• Helped refactor part of a thirty-year-old legacy monolith into a modern microservices architecture and designed architectural proposals and project improvements
• Helped with integrations with the Opportunities (Pricing) team

3. Systems Developer Analyst at Kontulari

• Participated and emerged victorious in the company's inaugural hackathon
• Worked on refactoring legacy codebase
• Implemented integrations with external accounting providers
• Gave a presentation exposing several security flaws in the application
• Worked on security-related features

2. Software Developer at Chaosium

• Had daily meetings with product managers to define software requirements
• Successfully extracted complex rules from RPG books into an automated web system
• Built and developed setup simplifications and improvements
• Did code reviews and approved merge requests
• Designed and implemented an automated versioning project

1. Software Developer at Fiverr

• Participated in the full software development lifecycle on multiple projects
• Worked on database optimization, significantly improving query performance against relational databases
• Contributed to the implementation of deployment automations
• Developed integrations with external APIs, expanding the functionality of applications
• Investigated and resolved customer issues

0. Intern at PGFN

• Had contact with tax collection, debt management and judicial litigation systems
• Helped improve communication and collaboration between legal teams and other departments and implemented automation solutions to reduce manual errors and improve efficiency in various processes
• Conducted regular audits and performance evaluations to ensure automation solutions continue to meet business needs