ES
Eduardo Saldaña

Hello, I'm

Eduardo Saldaña


Data engineer and IT developer focused on automation, system integration and process optimization. I build practical, scalable solutions that bridge technology and business efficiently.

/ Career

A brief overview of my career

Sep 2026 - Present

Data Engineer Consultant

SDG Group España

Contributing to data engineering projects and building and evolving data-driven solutions.

Apr 2023 - May 2026

Data Engineer

G.team (for Vueling Airlines)

Designed and maintained data infrastructure for Vueling, transforming complex operational data into strategic assets. Built ETL/ELT pipelines with Apache Airflow, ingesting from REST APIs, SharePoint, SQL Server and web scraping. Implemented observability via Elasticsearch/Kibana and led CI/CD migration from Jenkins to Azure DevOps.

PythonApache AirflowAWS RedshiftAmazon S3ElasticsearchAzure DevOpsSQL ServerScrum
Sep 2022 - Mar 2023

Power Platform Engineer

SEGULA Technologies (for Michelin CEMA)

Technical lead on digital transformation projects at Michelin's CEMA experience center. Replaced physical forms with dynamic Power Apps, designed Power Automate workflows and managed the full project lifecycle. Obtained the Microsoft PL-100 certification during this period.

Power AppsPower AutomateSharePoint OnlineMicrosoft FormsPL-100
Oct 2021 - Sep 2022

Software Developer — Power Platform

EFOR Internet y Tecnología

Developed and maintained low-code solutions to digitize business processes. Built canvas applications with Power Apps and Dataverse, designed automations with Power Automate and handled full project lifecycle from requirements to UAT.

Power AppsPower AutomateDataverseSharePoint OnlineLow-Code
Jul 2021 - Sep 2021

Junior Web Developer

Grupo Oesía

Supported development and maintenance of web applications covering frontend and backend. Resolved incidents and gained hands-on experience with the software development lifecycle in a corporate environment.

JavaAngularWeb Development
2014 - 2019

HR, Administration & Operations

Various companies

Before moving into IT, worked across HR, legal documentation and operations roles — managing payroll, labour contracts, data protection compliance and client processes. This background shaped my approach to automation and data engineering: focused on solving real business problems.

HR ManagementLabour LawData ProtectionAdministration

/ Featured Projects

A selection of professional work, published apps, and experimental prototypes.

Mobility Zaragoza — Bizi ETL Pipeline
Data Engineering

Mobility Zaragoza — Bizi ETL Pipeline

Python ETL pipeline that ingests real-time public bike station data from Zaragoza's Open Data API, transforms it with Pandas and loads it into PostgreSQL using an idempotent upsert strategy.

Python Pandas SQLAlchemy PostgreSQL REST API
Spanish Electricity Market — End-to-end dbt Pipeline
Data Engineering

Spanish Electricity Market — End-to-end dbt Pipeline

Analytics engineering pipeline on the Spanish electricity market (ESIOS/REE API), with dbt Core as the centerpiece. Python extraction with an idempotent MERGE pattern, GitHub Actions orchestration with dual scheduling (cron-job.org + native fallback), three-layer dbt transformation (staging, intermediate, marts) with 17 automated tests, and an interactive Evidence.dev dashboard visualizing the merit order effect: the correlation between renewable generation and electricity price. dbt docs and lineage: https://e-saldanaf.github.io/esios-energy-pipeline/

Python dbt PostgreSQL GitHub Actions Supabase Evidence.dev

/ Tech Stack

Breakdown of my technical skills, categorized by domain and proficiency

Expert
Proficient
Beginner

Data Engineering

Python
Pandas
SQL
dbt
Apache Airflow
BeautifulSoup

Cloud & Storage

AWS Redshift
Amazon S3
AWS Secrets Manager
PostgreSQL

Databases

SQL Server
Elasticsearch

Power Platform

Power Apps
Power Automate
Dataverse
SharePoint Online
Microsoft Forms

DevOps & Quality

Azure DevOps
Jenkins
Git
Docker
SonarQube
TestRail

Methodology

Scrum
Jira

Currently Learning

Databricks
PowerBI

/ Contact Me

Feel free to reach out. I'm always open to discussing new projects and opportunities.