Davi Vilela Email & Phone Number

São Paulo, Sp, Br

State Of São Paulo, Brazil

São Paulo, São Paulo, Brasil

- Cross-Functional Collaboration: Worked closely with product managers, designers, and other stakeholders to deliver high-quality products that meet user needs and business objectives.- Strategic Leadership: Directed the strategic direction and technical vision for flagship products, Onetrade and WeCheck, ensuring alignment with business goals and market needs.- Mentorship: Mentored junior developers and fostered a collaborative environment, encouraging knowledge sharing and… Show more - Cross-Functional Collaboration: Worked closely with product managers, designers, and other stakeholders to deliver high-quality products that meet user needs and business objectives.- Strategic Leadership: Directed the strategic direction and technical vision for flagship products, Onetrade and WeCheck, ensuring alignment with business goals and market needs.- Mentorship: Mentored junior developers and fostered a collaborative environment, encouraging knowledge sharing and professional growth within the team.- Architectural Redesign: Redesigned architecture for mobile apps to follow the MVVM (Model-View-ViewModel) pattern, facilitating Test-Driven Development (TDD) strategies and improving code maintainability and scalability.- Pioneering GraphQL Implementation: Early adopter and advocate of GraphQL, driving its implementation to enhance API efficiency and developer productivity. Leveraged automated code generation tools to streamline API development, reducing manual coding efforts and minimizing errors.- Performance Enhancements: Architected advanced syncing strategies that substantially improved the performance and offline capabilities of mobile applications, enhancing user experience and reliability. Show less

• Developed and maintained full-stack custom software for Samsung, Pepsico and Reckitt benckiser using Ruby on Rails, PostgreSQL, Angular JS and Ionic.• Successfully transitioned my team from Ionic to React Native and Typescript, increasing reliability and reducing tech-debt.• Implemented Offline-first Mobile apps using React Native and RealmDB• Created a Continuous Integration/Continuous Deployment (CI/CD) pipeline for mobile apps usingfastlane and CircleCI

São Paulo, Brasil

- Led the end-to-end development of Chagas AI’s website, web app (NextJS), and back-end micro-services (NestJS), ensuring a cohesive user experience and scalable architecture.- Architected and optimized Retrieval-Augmented Generation (RAG) pipelines using LangChain and Vercel AI SDK, enabling context-aware, real-time responses for health-related AI applications.- Integrated and fine-tuned open-source Llama 3.1 models to improve accuracy and performance of domain-specific LLM… Show more - Led the end-to-end development of Chagas AI’s website, web app (NextJS), and back-end micro-services (NestJS), ensuring a cohesive user experience and scalable architecture.- Architected and optimized Retrieval-Augmented Generation (RAG) pipelines using LangChain and Vercel AI SDK, enabling context-aware, real-time responses for health-related AI applications.- Integrated and fine-tuned open-source Llama 3.1 models to improve accuracy and performance of domain-specific LLM applications, particularly in health-related topics.- Developed versatile document ingestion and preprocessing pipelines, supporting multiple file types (PDF, DOCX, structured/unstructured text) to streamline LLM input workflows.- Fine-tuned large language models (LLMs) for domain-specific applications, delivering highly accurate insights for health-related content.- Integrated LLM observability tools with LangSmith to monitor model performance, debug bottlenecks, and enable seamless iteration on model pipelines.- Implemented real-time quiz session tracking using WebSockets and GraphQL Subscriptions, ensuring continuous session updates and resilience during disconnections.- Designed robust user activity tracking to improve analytics for customer success automations, working closely with sales to enhance user engagement and retention.- Enhanced API performance and end-to-end data integrity by optimizing back-end processes, integrating GraphQL APIs with strong end-to-end typing using GraphQL Codegen.- Implemented secure and scalable cloud-based file storage solutions (e.g., Cloudflare R2), ensuring seamless integration with document processing pipelines.- Led the development of observability and monitoring systems, ensuring uptime and performance for the platform, critical for maintaining customer trust and satisfaction. Show less

São Paulo, São Paulo, Brasil

- Directed the development and market launch of Mentions, leveraging React and React Native to create a unified user experience that enhanced collaboration among hybrid and remote teams.- Engineered advanced rich text editors with extensive formatting options for both web and mobile platforms, using React and React Native, enhancing user interaction and content management.- Pioneered the adoption of rich text capabilities in React Native, aligning mobile app functionality… Show more - Directed the development and market launch of Mentions, leveraging React and React Native to create a unified user experience that enhanced collaboration among hybrid and remote teams.- Engineered advanced rich text editors with extensive formatting options for both web and mobile platforms, using React and React Native, enhancing user interaction and content management.- Pioneered the adoption of rich text capabilities in React Native, aligning mobile app functionality closely with web strategies to streamline cross-platform development.- Led the integration of real-time communication features such as chat and collaborative Kanban boards using Pusher and Soketi, implemented in React, which improved real-time team productivity.- As an advocate, early adopter, and sponsor of Tamagui, I strategically implemented this framework to optimize our development workflow. This adoption facilitated consistent and efficient user interface design across web and mobile platforms, significantly enhancing productivity and ensuring uniformity in design aesthetics. Show less

As a Freelancer React Engineer at Pickcells, I develop intuitive user interfaces for diagnostic tools that revolutionize healthcare interactions. My focus is on creating scalable and maintainable applications that enhance the performance and accuracy of medical diagnostics, contributing to improved patient outcomes.

Bacharelado, Computer Science

Computer Science