Javier Martinez Sanchez

Javier Martínez Sánchez

AI & Data Engineer

AI & Data Engineer with a double degree in Computer Science and Statistics and 3 years of experience. Specialized in the AWS ecosystem, IaC, and data pipelines

Python Python
SQL SQL
AWS AWS
Apache Spark Spark
Terraform Terraform
Git/GitHub Git/GitHub
Devin AI Devin AI

Experience

Data Solution & Infrastructure Analyst Sep 2023 — Present

Santander CFGS · Valladolid, Spain

  • Built a data lake to evaluate performance across initiatives, workflows, and 100+ developers — delivering visibility into 20+ KPIs and reducing project delivery time by 7.6%.
  • Integrated code quality tooling using SOLID principles, achieving a 45.5% improvement in code quality metrics.
  • Deployed AWS Cloud components as part of the DevOps team, using Terraform for infrastructure as code.
PythonAI Coding ToolsSparkAWSTerraform
Big Data Engineer Jun 2021 — Aug 2021

Luce IT · Valladolid, Spain

  • Developed a customer service chatbot for a parcel company.
  • Conducted exploratory data analysis in Google Cloud on 100+ TB of data to support downstream machine learning modeling.
  • Implemented form field validations using regular expressions in Snowflake.
Big DataMLPythonSQL

Projects

QuantumKernelsPlayDogsVSCats project banner

QuantumKernelsPlayDogsVSCats

Binary image classifier combining classical and quantum computing. Cats vs. dogs, but with qubits.

Smart Building Energy Consumption Predictor project banner

Smart Building Energy Consumption Predictor

Comparative study of classical statistics and ML for modeling energy consumption in a smart building.

Ferrum project under construction banner

Ferrum In progress

Web app for tracking gym weights and progression over time.

Certifications

Education

Computer Science Bachelor — Computation 2017 – 2023

Universidad de Valladolid · Valladolid, Spain

Undergraduate Thesis

Quantum computing-based machine learning. Image classification using quantum kernels.

View project
Statistics Bachelor 2017 – 2023

Universidad de Valladolid · Valladolid, Spain

Undergraduate Thesis

Creation of a predictive model for energy consumption in an intelligent building.

View project
Grade: 9.6 / 10