Marcelo – React, Node.js, AWS

SaaS employee engagement & career development solution that goes beyond traditional survey tools by integrating mentorship, personal advisor networks, career planning, and action-oriented insights to help companies retain talent and support meaningful growth.

• Designed and implemented scalable REST APIs handling high request volumes with low latency;
• Optimized database queries and backend workflows, significantly improving response times under load;
• Integrated cloud services on AWS and Azure, including containerized deployments and CI/CD pipelines;
• Collaborated with product and frontend teams to deliver end-to-end features with a strong focus on performance and reliability;
• Improved system observability through structured logging and monitoring.

The product helps engineering and business teams accelerate AI adoption by embedding AI agents into existing workflows, modernizing cloud systems, and enabling secure, scalable, AI-ready software across the organization.

• Developed and maintained backend services supporting complex business workflows;
• Designed RESTful APIs consumed by multiple frontends and third-party systems;
• Improved backend performance and system stability through refactoring and optimization;
• Participated in cloud infrastructure design and deployment on AWS and Azure;
• Worked closely with stakeholders to translate business requirements into technical solutions.

A digital mortgage pre-approval platform that enables users to simulate and apply for mortgage products through a fully online workflow, with a strong focus on scalability, reliability, and seamless user experience across the entire lending journey.

• Designed the overall system architecture and backend services from scratch;
• Led the technical direction of the project and coordinated development efforts;
• Implemented core business logic for mortgage simulations and eligibility checks;
• Built secure APIs consumed by both web and mobile applications;
• Ensured code quality, scalability, and maintainability across the platform.

The client is a boutique software development studio that built a professional networking platform, improving performance and usability while developing scalable backend services to support platform growth.

• Maintained and extended backend services supporting user interactions;
• Implemented frontend features with a focus on responsiveness and UX;
• Improved system stability and performance through code optimizations;
• Assisted in deploying and maintaining cloud resources on Azure.