Gustavo Antônio Cimarosti Garcia

Develop high-performance microservices and platform APIs using Node.js, NestJS, and TypeScript, supporting mission-critical applications serving over 40,000 users . Build cloud-native AWS infrastructure with Lambda, API Gateway, S3, and CloudWatch to improve scalability, resilience, and platform reliability.

Architect and optimize CI/CD pipelines and deployment workflows, reducing deployment friction across multiple engineering teams. Design and maintain SAP integrations for secure synchronization of commercial, customer, and order data through event-driven architectures .

Improve system performance by identifying bottlenecks across microservices, APIs, and mobile applications — reducing API response times by 72% and screen load times by 31% . Contribute to engineering excellence through code reviews, automated testing, and technical documentation, resulting in an 18% reduction in production bug reports .

Developed software solutions primarily with Node.js for backend services, React for frontend applications, and React Native for mobile — including platforms, dashboards, SPAs, and corporate websites with Next.js.

Built mobile applications with React Native and Expo, including solutions integrated with AI-powered chatbots . Designed and maintained high-performance backend services using Express, Fastify, and NestJS, applying microservices and distributed systems principles.

Leveraged Docker, AWS, and GCP for scalable cloud-native applications, with observability via Grafana, New Relic, and Sentry. Built event-driven systems for high-volume data processing using Apache Kafka, Redis, and asynchronous messaging.

Designed and implemented serverless architectures on AWS using Lambda, API Gateway, S3, and EC2. Contributed to CI/CD pipeline implementation and maintenance across approximately 110 repositories , improving deployment automation and development workflows.

Developed scalable solutions with Node.js and TypeScript on the backend, and React with Next.js on the frontend. Designed and maintained RESTful APIs integrating with four payment gateways to support secure payment processing.

Developed and maintained the company's website and internal business systems. Provided administrative support and team leadership, coordinating daily activities and contributing to operational efficiency.

Managed preventive maintenance of the company's IT infrastructure, including workstations, network, and technical support.

Designed and developed internal business applications — including an inventory management system that reduced inventory discrepancies by 30% , an expiration date management application, and a consumption analytics dashboard to improve operational visibility.