J
Jefferson de Andrade Santos
Jefferson de Andrade Santos
About
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Staff Engineer | Lead Software Developer at rpc - The Retail Performance Company
Lisbon, Portugal
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I'm a product-oriented full stack developer. I love building solutions, solving problems, experimenting, working with cutting-edge technologies. Currently playing around AI and autonomous agents.
Key Skills:
Agentic AI & Orchestration
Agent Design & Development: Building autonomous and semi-autonomous AI agents capable of reasoning, planning, and tool use.
Stateful Workflows: Engineering complex, cyclical agentic systems using LangGraph.
Workflow Automation: Integrating LLMs into business processes and third-party applications using n8n and LangChain.
Custom Tool Creation: Developing APIs and functions that empower agents to interact with external data sources and services.
Retrieval-Augmented Generation (RAG)
End-to-End RAG Pipelines: Designing and implementing complete RAG systems, from data ingestion and preprocessing to retrieval and synthesis.
Vector Databases: Utilizing and managing vector stores (e.g., Chroma, Pinecone, FAISS) for efficient similarity search.
Embedding & Retrieval Strategies: Optimizing information retrieval through advanced chunking techniques, custom embeddings, and query transformations.
Core LLM & Application Development
Model Customization: Fine-tuning open-source LLMs for specialized tasks.
Local Development & Prototyping: Leveraging Ollama for rapid experimentation and Streamlit for building interactive user interfaces.
Data Integration: Handling multimodal inputs, structured data, and web-based information.
Frontend: React.js, React-Native, NextJS, VueJS, JavaScript, TypeScript
Backend: Python (Flask, Asyncio, Django, FastAPI, aiohttp), Golang, NodeJS (Express)
Cloud: Docker, Chef, Puppet, Kubernetes, Linux/BSD, AWS, Azure, GCP
Scraping: Selenium, Playwright
CI/CD: Saltstack, Openstack, Jenkins, Bamboo, GitHub/GitLab/Bitbucket, SonarQube
Technologies: AI, Autonomous AI Agents, WebRTC, WebTorrent, Streaming, Live Broadcasting, P2P, CDN, Web Audio API
Contact Jefferson regarding:
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