I am an AI enthusiast with over 10 years of experience specializing in end-to-end development from research to production. I am a self-taught expert driven by a passion for AI, machine learning, and continuous learning, delivering improvements in operational efficiency. Throughout my career, I have led teams, translated complex AI capabilities into ROI-driven business solutions, and fostered innovative environments. I have hands-on experience with advanced AI technologies such as NLP, computer vision, LLMs, and generative models.

Gabriel Lopez

I am an AI enthusiast with over 10 years of experience specializing in end-to-end development from research to production. I am a self-taught expert driven by a passion for AI, machine learning, and continuous learning, delivering improvements in operational efficiency. Throughout my career, I have led teams, translated complex AI capabilities into ROI-driven business solutions, and fostered innovative environments. I have hands-on experience with advanced AI technologies such as NLP, computer vision, LLMs, and generative models.

Available to hire

I am an AI enthusiast with over 10 years of experience specializing in end-to-end development from research to production. I am a self-taught expert driven by a passion for AI, machine learning, and continuous learning, delivering improvements in operational efficiency.

Throughout my career, I have led teams, translated complex AI capabilities into ROI-driven business solutions, and fostered innovative environments. I have hands-on experience with advanced AI technologies such as NLP, computer vision, LLMs, and generative models.

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Language

English
Fluent
Italian
Advanced
Spanish; Castilian
Advanced

Work Experience

Head of AI at Optima Solutions
August 31, 2025 - August 21, 2025
Led AI initiatives including the development and deployment of a production-ready chatbot for internal knowledge management, cutting employee query resolution time by half. Built a custom Retrieval Augmented Generation (RAG) system for technical documentation, increasing productivity by 10% for 100 users. Trained deep learning predictive sales models to forecast warehouse stock, reducing costs by 5%. Designed LangGraph-based agentic systems combining LLM-driven tools and Mixtures of Experts (MoE) to boost sales. Automated data entry processes using OCR and large language models, saving over 20 hours weekly. Interviewed over 20 stakeholders identifying AI opportunities with a combined ROI potential exceeding £3 million, successfully securing executive buy-in and budget.
Lead AI Engineer / LLM Engineer at Rezolve.ai
May 31, 2025 - August 21, 2025
Addressed LLM inference-level issues by optimizing embedding cosine similarities and hard-coded logic to reduce topic drift by 78% and increased conversation coherence scores significantly. Developed a matrix of different embedding systems for varied applications and mathematically merged diverse embedding vector spaces. Solved ranking and recommender system challenges by integrating LLMs with reinforcement learning and cosine similarity measures, achieving 82% recommendation accuracy.
Head of Machine Learning/AI at Pulse.io
February 28, 2025 - August 21, 2025
Developed AI systems integrating LLaMA3, reinforcement learning Actor-Critic models, and LangChain Agents. Built a marketing chatbot using LLaMA 70b fine-tuned with LoRA and RAG, reducing campaign planning time from two weeks to three days. Reduced computing costs by 40% while maintaining high performance through fine-tuning of various LLMs. Created agents capable of auto-correcting their code using RAG and ReACT. Developed video sentiment analysis and multi-source social media sentiment analysis systems, achieving high precision outlier detection and 78% stock directional accuracy based on social sentiment. Led a team of data scientists/AI experts, delivering advanced explainability AI-based automated stakeholder reports and research on interpretability principles. Reported directly to the CEO.
AI Specialist (Contract) at Altifio Limited
September 30, 2020 - August 21, 2025
Created a computer vision system to count people entering and exiting stores and to detect mask usage.
Data Science Lead / Computer Vision - Client Facing at Odin Ltd
September 30, 2020 - August 21, 2025
Strategically hired to develop a data science team and implement new machine learning services. Created deep learning solutions and researched cutting-edge papers. Developed text classification models for NFL fan questions. Engaged directly with clients in meetings and discussions for all products and solutions.
Machine Learning Engineer (Volunteer) at Covid19foodssupply.com
August 31, 2020 - August 21, 2025
Predicted COVID-19 pandemic progression in the UK and its impact on the food supply chain using machine learning techniques.
Lead Machine Learning Engineer at Olvin Ltd
November 30, 2019 - August 21, 2025
Used worldwide mobile device and geolocation data to develop geo-marketing recommender systems for the hospitality market. Hired and led a team of three researchers.
Computer Vision, Machine Learning and AI Specialist (Contract) at NMT Group
February 28, 2019 - August 21, 2025
Developed tailored AI models for counterfeit prediction and defense of intellectual property to avoid costly legal issues. Client-facing role with direct interaction.
Computer Vision, Machine Learning and AI Expert (Co-Founder) at CogniQuant Ltd
August 31, 2018 - August 21, 2025
Machine Learning Specialist at Telematic Srl
October 31, 2017 - August 21, 2025
Remote work from London developing and applying machine learning algorithms.

Education

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Qualifications

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Industry Experience

Software & Internet, Financial Services, Retail, Manufacturing, Professional Services