I'm
Alfonso Baena
a Data Engineer.
Career Objetives
Data Engineer with strong Analytics Engineering skills, problem-solving and passionate about the technical aspects with open experience in leadership, mentoring and strategic business thinking.
Committed to the latest technologies and best practices to create architecting cutting-edge data solutions, thereby driving operational excellence and system reliability. Interested in Solution Architecture / Site Reliability Engineering (SRE) within the data domain.
"Always curious, always learning"
Professional Experience
Senior Data Engineer / Team Leader@Next Digital Hub
may. 2021 - Present
- Led a squad of Data Engineers/Analysts for Iberia
- Gathered requirements, designed end-to-end data products and collaborated with cross-functional teams
- Led dbt standardization (structure, testing, TDD, integrations, and deployment) and promoted the adoption
- Defined data quality with dbt/airflow. Monitoring services and processes with Grafana and Prometheus
- ETL/ELT processes using dbt, airflow, AWS (Redshift, S3, EKS, ECS, EMR...) and visualized in PowerBI service
- Implemented CI/CD pipelines using Gitlab reducing times from minutes to seconds while reducing costs
- Mentored and participated in the technical selection of data engineers
- Experience in a 24/7 on-call support team with over 20 critical services from Iberia Data Platform
Data Engineer / RAN Engineer@Future Connections
jun. 2019 - may. 2021
- Developed multiple use cases on T-Mobile's Big Data platform using Spark and Hive
- Developed and visualized geospatial analysis use cases utilizing technologies such as Spark, Hive, and QlikView
- Migrated the data orchestration from NiFi to Airflow, including deploying and maintaining the Airflow infrastructure
- Participated in churn detection and clustering projects using PySpark and MLlib
- Provided infrastructure, including EC2 and RDS on AWS, for cloud-based data processing
- Administered and maintained Linux on-premises systems
- Utilized the ELK stack (Elasticsearch, Kibana..) for non-relational database management, log handling, and visualization in Kibana. Proficient in relational databases including PostgreSQL and MySQL
RF Engineer Trainee@Dekra
nov. 2018 - may. 2019
- Automated manual processes with Python and extracted data through web scraping
- Developed data management and data access software mainly in Python and Bash
- Performed software and hardware radiofrequency tests on mobile communication devices (3G, 4G)
Skills
Data Engineering
Redshift Airflow DBT Spark TDD SQLCertifications
dbt Analytics Engineering Certification
2x Astronomer Certification for Apache Airflow
Databrick Lakehouse Fundamentals
Cloud / DevOps
Docker k8s IaC CI/CD AWS LinuxCertifications
AWS Certified Cloud Practitioner
AWS Certified Developer – Associate
AWS Certified Solutions Architect – Associate
AWS Certified Data Engineer – Associate
AWS Certified Data Analytics – Specialty
HashiCorp Certified: Terraform Associate (003)
Soft Skills
SCRUM Leadership Communication MentoringCertifications
Professional Scrum Master™ I (PSM I)