Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Miguel Peris Aragón, a data analyst with a degree in Data Science and hands-on experience in SQL development, Power BI, and backend Python for AI applications. I currently support Iberia Airlines’ Digital & Loyalty department as the primary Power BI and SQL consultant, redesigning dashboards, optimizing queries and data pipelines, and delivering insights for customer interaction and loyalty initiatives. Previously I worked as an AI Engineering intern at NTT DATA, where I prototyped and benchmarked RAG-based chatbots and developed backend Python scripts used for process automation. I'm adept at validating business logic, structuring data workflows, and translating technical work into clear, actionable outputs.…Hi, I'm Miguel Peris Aragón, a data analyst with a degree in Data Science and hands-on experience in SQL development, Power BI, and backend Python for AI applications. I currently support Iberia Airlines’ Digital & Loyalty department as the primary Power BI and SQL consultant, redesigning dashboards, optimizing queries and data pipelines, and delivering insights for customer interaction and loyalty initiatives. Previously I worked as an AI Engineering intern at NTT DATA, where I prototyped and benchmarked RAG-based chatbots and developed backend Python scripts used for process automation. I'm adept at validating business logic, structuring data workflows, and translating technical work into clear, actionable outputs.

Miguel Peris Aragón

Data Analyst, AI Engineer, Data Scientist, +2





Hi, I'm Miguel Peris Aragón, a data analyst with a degree in Data Science and hands-on experience in SQL development, Power BI, and backend Python for AI applications. I currently support Iberia Airlines’ Digital & Loyalty department as the primary Power BI and SQL consultant, redesigning dashboards, optimizing queries and data pipelines, and delivering insights for customer interaction and loyalty initiatives. Previously I worked as an AI Engineering intern at NTT DATA, where I prototyped and benchmarked RAG-based chatbots and developed backend Python scripts used for process automation. I'm adept at validating business logic, structuring data workflows, and translating technical work into clear, actionable outputs.…Hi, I'm Miguel Peris Aragón, a data analyst with a degree in Data Science and hands-on experience in SQL development, Power BI, and backend Python for AI applications. I currently support Iberia Airlines’ Digital & Loyalty department as the primary Power BI and SQL consultant, redesigning dashboards, optimizing queries and data pipelines, and delivering insights for customer interaction and loyalty initiatives. Previously I worked as an AI Engineering intern at NTT DATA, where I prototyped and benchmarked RAG-based chatbots and developed backend Python scripts used for process automation. I'm adept at validating business logic, structuring data workflows, and translating technical work into clear, actionable outputs.

Available to hire

Hi, I’m Miguel Peris Aragón, a data analyst with a degree in Data Science and hands-on experience in SQL development, Power BI, and backend Python for AI applications. I currently support Iberia Airlines’ Digital & Loyalty department as the primary Power BI and SQL consultant, redesigning dashboards, optimizing queries and data pipelines, and delivering insights for customer interaction and loyalty initiatives.

Previously I worked as an AI Engineering intern at NTT DATA, where I prototyped and benchmarked RAG-based chatbots and developed backend Python scripts used for process automation. I’m adept at validating business logic, structuring data workflows, and translating technical work into clear, actionable outputs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

English

Fluent

French

Beginner

Work Experience

Data Analyst at SDG GROUP (Client: Iberia Airlines)

June 1, 2025 - Present

Sole consultant assigned to Iberia Airlines after passing a technical interview; primary Power BI specialist in Digital & Loyalty, managing ~10 reports. Redesigned dashboards, improving refresh speed by 40% and boosting usability and adoption for management teams. Optimized SQL queries and database views, enabling faster access to key metrics and scalable workflows. Developed business logic for a key digital initiative, attributing over €200,000 in generated revenue. Validated and corrected business rules with stakeholders, increasing report accuracy and reliability. Delivered actionable insights and supported data experiments, driving informed decisions in digital and loyalty initiatives.

Artificial Intelligence Engineer Internship at NTT DATA

February 1, 2024 - July 1, 2024

Completed a 1-month AI academy; built models with Python libraries (OpenAI, TensorFlow, Scikit-learn). Prototyped and benchmarked RAG-based chatbots (Copilot, GPT-3.5, internal LLM/RAG pipeline), evaluating accuracy and response quality. Contributed to automation of water bill readings for Spain’s largest telecom: implemented backend scripts, designed prompts, and validated model outputs, laying the foundation for production deployment.