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Work Background
Senior Software Engineer
Jam.devSenior Software Engineer
May. 2025
Team Lead
VoiceflowTeam Lead
Sep. 2024 - May. 2025- Architected distributed backend services handling 100K+ daily requests with 99.9% uptime - Implemented technical solutions for AI-driven conversation design, including custom integrations with LLM APIs - Designed and optimized database schemas and query patterns, reducing response times by 65% - Engineered robust error handling and monitoring solutions using Datadog and custom logging frameworks - Designed system architecture for high-availability services with failover capabilities - Established technical standards for code quality, performance, and security - Stack: Node.js, TypeScript, React, MongoDB, Redis, AWS, Docker, Kubernetes
Senior Software Engineer
VoiceflowSenior Software Engineer
Jul. 2021 - Sep. 2024- Architected and implemented NLU Manager system using advanced classification algorithms to resolve conflicts between utterances, entities, and intents - Developed AI integration framework for integrating ChatGPT and other LLMs into the platform's core functionality - Engineered Variable States system enabling dynamic persona testing in chatbot prototype environments - Built and optimized critical backend services handling high-throughput requests with efficient caching strategies - Implemented complex data visualization features for analytics dashboard using D3.js and React - Stack: Node.js, TypeScript, React, Express, GraphQL, MongoDB, Redis, AWS Lambda, Docker
Lead Frontend Engineer
OriginLead Frontend Engineer
Mar. 2019 - Jul. 2021São Paulo Area, Brazil- Designed and implemented scalable React architecture supporting multiple product teams - Engineered real-time investment portfolio visualization system integrating with multiple financial APIs - Developed modular component library with comprehensive test coverage (90%+) using Jest and React Testing Library - Created authentication and authorization system with role-based access control - Optimized frontend performance achieving 30% reduction in initial load time and 50% improvement in time-to-interactive metrics - Built backend services in Node.js to support data aggregation needs - Stack: React, TypeScript, Node.js, GraphQL, PostgreSQL, Redis, AWS, Jest, Webpack
Tech Lead
CreditasTech Lead
Nov. 2018 - Mar. 2019- Designed and implemented affiliate integration platform architecture supporting 1000+ concurrent users - Engineered RESTful API system with comprehensive authentication and rate limiting mechanisms - Developed technical specifications for offline-capable PWA solution using service workers and IndexedDB - Implemented scalable backend services with caching strategies reducing database load by 40% - Created automated deployment pipelines reducing release time from days to hours - Optimized frontend and backend performance through code splitting, lazy loading, and database indexing - Stack: Node.js, React, Express, MongoDB, Redis, Docker, AWS
Senior Frontend Engineer
CreditasSenior Frontend Engineer
Nov. 2016 - Nov. 2018São Paulo- Developed frontend architecture for affiliate integration platform generating 30% of qualified leads - Engineered Progressive Web Application with offline capabilities using service workers and IndexedDB - Designed and built RESTful API with comprehensive Swagger documentation for third-party integrations - Implemented design system with reusable components reducing new feature development time by 35% - Optimized critical rendering paths improving page load performance by 45% - Stack: JavaScript, Node.js, React, Redux, Express, MongoDB, Webpack, Docker
Frontend Engineer
ContaAzulFrontend Engineer
Apr. 2015 - Nov. 2016Joinville, Santa Catarina, Brazil- Engineered critical checkout page resulting in 30% conversion rate improvement - Implemented comprehensive unit testing framework establishing testing culture across engineering teams - Refactored legacy JSP systems to modern AngularJS architecture - Developed core UI components for design system ensuring consistency across product - Stack: AngularJS, JavaScript, HTML5, CSS3, JSP, Java
Software Engineer Intern
ContaAzulSoftware Engineer Intern
Nov. 2014 - Apr. 2015Joinville, Santa Catarina, Brazil• Contributed to the design system by developing core components and maintaining system documentation. • Promoted to a full-time role early due to exceptional performance during the internship period.
Software Development Intern
Dalmark Systems LtdaSoftware Development Intern
Jul. 2014 - Jan. 2015Joinville e Região, Brasil• Developed key modules for the company’s ERP system using Delphi and Oracle DB, catering to industrial sectors. • Participated in the migration of the system from Delphi 4 to Delphi 7, improving system performance and capabilities.
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