David Hidalgo Ferreira

Key Responsibilities:

• Full Stack Architecture: Design and implementation of RESTful APIs with Node.js/TypeScript and development of React/Next.js interfaces for administrative dashboards and web experiences.

• AI Integration: Implementation of processing pipelines with LLMs for conversation summarization, sentiment analysis, and personalized content generation. Development of RAG systems for intelligent memory retrieval.

• Multimedia Processing: Development of pipelines for real time ingestion and processing of multimodal conversations (text, voice, images) through WhatsApp Business API.

• Data Architecture: Design and optimization of PostgreSQL/Supabase schemas for efficient handling of large volumes of stories, metadata, and multimedia content with vector embeddings implementation.

• Optimization & Scalability: Implementation of cost optimization strategies for AI tokens, efficient cloud resource management, and performance improvements that reduced latency by 40%.

Key role as a Front-End Developer in the innovative launch of Amazon's first Buy Now Pay Later (BNPL) credit card, in collaboration with Openbank. This significant project not only highlights my ability to develop in an advanced technological environment but also my skill in effectively collaborating within multidisciplinary and multinational teams.

As a member of the web development team behind this incredible project, I am delighted to have worked on this collaboration between Openbank and Zinia with Amazon, creating a secure and scalable platform for consumer digital finance in various countries.

It was an invaluable learning experience, which has deepened my understanding of complex web architectures and cutting-edge technologies in the fintech space.