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Hello! I'm William Figueroa Lima, an AI Engineer and ML specialist with over six years of experience building production-ready AI systems. I excel in Generative AI, LLMs, NLP, computer vision, and RAG implementations, and I enjoy turning complex data into scalable, business-ready solutions. I thrive in cloud-native environments and love leading AI architecture, governance, and MLOps practices to deliver measurable business impact. I partner with cross-functional teams to design end-to-end ML pipelines, deploy AI-powered agents, and craft robust, scalable solutions that align with strategic objectives. My hands-on approach combines technical depth with a business mindset, enabling rapid delivery and continuous improvement in dynamic environments.…Hello! I'm William Figueroa Lima, an AI Engineer and ML specialist with over six years of experience building production-ready AI systems. I excel in Generative AI, LLMs, NLP, computer vision, and RAG implementations, and I enjoy turning complex data into scalable, business-ready solutions. I thrive in cloud-native environments and love leading AI architecture, governance, and MLOps practices to deliver measurable business impact. I partner with cross-functional teams to design end-to-end ML pipelines, deploy AI-powered agents, and craft robust, scalable solutions that align with strategic objectives. My hands-on approach combines technical depth with a business mindset, enabling rapid delivery and continuous improvement in dynamic environments.

William Figueroa Lima

AI Engineer, Data Scientist, Cloud Developer, +2

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Hello! I'm William Figueroa Lima, an AI Engineer and ML specialist with over six years of experience building production-ready AI systems. I excel in Generative AI, LLMs, NLP, computer vision, and RAG implementations, and I enjoy turning complex data into scalable, business-ready solutions. I thrive in cloud-native environments and love leading AI architecture, governance, and MLOps practices to deliver measurable business impact. I partner with cross-functional teams to design end-to-end ML pipelines, deploy AI-powered agents, and craft robust, scalable solutions that align with strategic objectives. My hands-on approach combines technical depth with a business mindset, enabling rapid delivery and continuous improvement in dynamic environments.…Hello! I'm William Figueroa Lima, an AI Engineer and ML specialist with over six years of experience building production-ready AI systems. I excel in Generative AI, LLMs, NLP, computer vision, and RAG implementations, and I enjoy turning complex data into scalable, business-ready solutions. I thrive in cloud-native environments and love leading AI architecture, governance, and MLOps practices to deliver measurable business impact. I partner with cross-functional teams to design end-to-end ML pipelines, deploy AI-powered agents, and craft robust, scalable solutions that align with strategic objectives. My hands-on approach combines technical depth with a business mindset, enabling rapid delivery and continuous improvement in dynamic environments.

Available to hire

Hello! I’m William Figueroa Lima, an AI Engineer and ML specialist with over six years of experience building production-ready AI systems. I excel in Generative AI, LLMs, NLP, computer vision, and RAG implementations, and I enjoy turning complex data into scalable, business-ready solutions. I thrive in cloud-native environments and love leading AI architecture, governance, and MLOps practices to deliver measurable business impact.

I partner with cross-functional teams to design end-to-end ML pipelines, deploy AI-powered agents, and craft robust, scalable solutions that align with strategic objectives. My hands-on approach combines technical depth with a business mindset, enabling rapid delivery and continuous improvement in dynamic environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Spanish; Castilian

Fluent

Work Experience

AI Solutions Architect at Independent Professional (US-based Clients)

September 1, 2025 - Present

Lead technical roadmap and architectural vision for AI-driven autonomous agents and conversational systems for telecom and e-commerce clients. Architected an autonomous B2B multi-vendor procurement system, automating 90% of the procurement workflow and reducing manual intervention from 30 FTEs to 3 supervisors. Implemented LangGraph for deterministic state management, enabling LLM flexibility only when DOM variations occurred. Developed an anti-detection layer over Playwright with stealth scripts and intelligent proxy rotation to bypass anti-bot systems. Integrated Claude 3.5 Sonnet vision capabilities to resolve visual blockers beyond DOM access. Technologies: Python, LangChain, LangGraph, AWS Bedrock, Playwright, Docker, BrightData Proxies

GenAI and NLP Specialist at Financiera Efectiva

July 1, 2025 - December 1, 2025

Directed the adoption of Generative AI within the organization, defining MLOps standards and mentoring junior developers on cloud-native patterns. Designed and deployed an Admission Agent using Agentic AI and RAG with LangChain and Chroma for vector search; implemented AWS OpenSearch Service for hybrid search and deployed on Amazon ECS for high availability, delivering instant access to product information and reducing client evaluation times by over 50%. Built a Multimodal Agent to process invoices, receipts, IDs, and housing documents using Hugging Face transformers, embeddings in Pinecone, and LangChain orchestration; integrated AWS Textract for document extraction and SageMaker endpoints for inference. Developed an Executive Query System using Text-to-SQL Agents across SQL Server and PostgreSQL with AWS Secrets Manager and AWS Athena for real-time insights. Accelerated GenAI adoption and established AI governance and MLOps foundations.

Senior Analytics Analyst at Interbank

January 1, 2024 - May 1, 2025

Technical lead for fraud analytics squad, coordinating data engineers and data scientists and reporting to senior management. Implemented a fraud typology classifier using AWS Transcribe for speech-to-text, trained a transformer model, and deployed to production with AWS Lambda. Built TrueScan, a web app for risk analysis and information retrieval, integrating a generative AI agent with LangChain to query corporate databases and perform web searches, reducing manual investigations from 2-3 hours to ~5 minutes. Developed a virtual assistant providing accurate educational topic answers using Retrieval-Augmented Generation with AWS OpenSearch; implemented a natural language to SQL tool for non-technical users and deployed via AWS API Gateway. Technologies: Python, LangChain, LangGraph, Pinecone, FastAPI, AWS

Machine Learning Engineer at Anyone AI

June 1, 2023 - March 1, 2024

Spearheaded code reviews and CI/CD practices to improve deployment frequency and reduce production bugs. Built a PDF/recording-based chatbot and data pipelines to extract and clean information from PDFs and audio/video with OCR; deployed on AWS Elastic Beanstalk. Implemented multimodal networks for machine image analysis on SageMaker, and developed Generative AI systems using LLMs for content creation. Implemented a credit risk model prioritizing accuracy and scalability; combined exploratory data analysis with model development and deployment. Technologies: Python, AWS, Docker, GitHub

Data Scientist at Multitop

November 1, 2020 - June 1, 2023

Led digital transformation within the data science unit. Implemented tokenization for sentiment analysis of customer ratings, built image classification for new SKUs, and conducted demand forecasting using time-series models. Improved data-driven decision making across sales and operations. Technologies: Python, Azure, GitHub, Scrum

AI and IoT Researcher at CST Group

April 1, 2019 - August 1, 2020

Led end-to-end data solutions across mining, energy, transportation, and fishing industries, integrating IoT sensor data into SQL/NoSQL databases. Developed computer vision models for industrial inspection (e.g., shovel damage) and deployed edge inference on Raspberry Pi/Jetson Nano with model compression. Built scalable data pipelines and RESTful APIs to enable real-time dashboards and predictive maintenance. Technologies: Python, OpenCV, TensorFlow, SQL/NoSQL, Flask, Node-RED