Vitor Hugo Aguila Oliveira

• Develop and maintain backend services for Talkdesk Studio, a large-scale CCaaS (Contact Center as a Service) orchestration platform used to visually build and manage IVR and customer interaction flows across enterprise environments. • Contribute to production systems serving 19K+ monthly visitors across 2.3K+ customer accounts, generating 1M+ page views per month, with a strong focus on scalability, resilience, and designing services to handle growing traffic and demand reliably.

• Delivered backend refactoring for a generative AI pipeline, reducing infrastructure and database costs by 90% across large-scale production workloads. • Scaled audio and publishing platforms including Aravoices, supporting backend systems serving more than 1M monthly streams across European audiences. • Designed and scaled backend systems for high-traffic media platforms using Go, Node.js, microservices, and serverless architecture, supporting European audiences and AI-driven content services.

• Engineered resilient microservices in Node.js, TypeScript, and Scala, improving platform scalability, fault tolerance and operational reliability. • Delivered 20+ enterprise integrations including Microsoft partnerships, reducing error rates by 30% through stronger logging, monitoring, and observability. • Strengthened service reliability by implementing comprehensive testing, API documentation and monitoring across production systems.

• Delivered a React Native web and mobile platform for 60K active users, improving retention through personalized health tracking, coaching, and push notifications. • Built and maintained scalable microservices using Node.js, TypeScript, Scala, and Golang, supporting HealthTech platforms for at-home blood and DNA testing. • Automated AWS infrastructure with Terraform and Kubernetes across EKS, ECS, Kinesis, and SQS, improving scalability, resilience, and deployment consistency.

• Built a Node.js API for call tags and notes management, improving customer interaction tracking and operational visibility. • Led development of a ReactJS softphone platform integrated with VOIP systems, delivering call management, contact handling, and account operations for business users. • Optimized React Native mobile application performance, increasing rendering efficiency by 70% and improving large-scale list performance.

• Built and maintained web applications, financial systems, eCommerce platforms, and mobile applications using Node.js, React, React Native, Ruby on Rails, PHP, and Magento across industries. • Delivered 80+ websites and eCommerce platforms while rebuilding legacy systems to improve performance, scalability, and customer modernization efforts. • Developed partner API integrations and optimized REST APIs, reducing total platform load time by 30% and improving frontend performance and service reliability.

• Delivered REST endpoints for web and mobile applications using C# • Integration with third partners • Delivered reliable financial systems encompassing payments, bank transactions, and virtual credit card operations. • Optimized REST API calls, achieving a 30% reduction in the total time spent on load. • Led the development of the company's app with React Native, complementing the existing web application with a mobile version.

Delivered REST endpoints for web and mobile applications using C# Integration with third partners • Delivered reliable financial systems encompassing payments, bank transactions, and virtual credit card operations. • Optimized REST API calls, achieving a 30% reduction in the total time spent on load. • Led the development of the company's app with React Native, complementing the existing web application with a mobile version.

• Responsible for the development of management systems, e-commerce, and improvements on the company’s solutions using PHP, JS, CSS3, HTML5, Magento E-commerce.