Asier Alcaide Martinez
Software Engineer / Data Engineer
Qualified and professional big data/backend developer with more than 8 years of experience in scalable data systems, cloud migrations, and real-time processing.
Experience
Data EngineerJuly 2025 - March 2026
Ultra Tendency (ECB AGORA II)
- Collaborated in the design and delivery of a three-tier Data Lakehouse platform on AWS (S3, Iceberg, Lambda) processing billions of records.
- Engineered a reusable ETL framework in Python for Spark session management across 4 environments.
- Developed hierarchical Airflow 3.x DAGs with dynamic task generation and WAP branching.
- Provisioned cloud infrastructure using modular, production-ready Terraform.
Data EngineerMay 2024 - June 2025
Ultra Tendency (ECB AGORA I)
- Migrated large-scale data pipelines from legacy Scala-based Cloudera to cloud-native PySpark/AWS Glue.
- Modernized storage frameworks with Apache Iceberg, enabling time travel and schema evolution.
Data Engineer (Consultant)Jan 2024 - March 2025
Independent - Energy Solutions
- Designed and implemented a scalable data platform for electricity monitoring and analytics.
- Architected cloud-native solution on Azure using Functions, Event Hub, Event Grid, SQL Database, and Data Factory.
- Provisioned entire infrastructure using Terraform.
Data EngineerOct 2022 - April 2024
Ultra Tendency (ECB DISC)
- Managed Scala Spark applications processing datasets with billions of rows (Hive, Impala, HDFS).
- Executed cloud migrations of multi-terabyte datasets to AWS S3.
QA EngineerDec 2021 - Sept 2022
Ultra Tendency (ECB SPACE)
- Developed automated testing suites using Python, R, and Jupyter for the ECB's core statistical system.
- Integrated testing workflows within CI/CD pipelines using Camunda for business process orchestration.
Data DeveloperOct - Dec 2021
Ultra Tendency (HUK-Coburg)
- Developed real-time micro-service solutions using Java and Scala for a high-performance crash notification system.
- Engineered Kafka pipelines integrating producers and consumers with SOAP and REST endpoints.
Freelance Software EngineerSept 2020 - Aug 2021
Independent - MasMovil
- Built data transferring services using Java/Vertx, Bash, Kubernetes, and Kafka.
- Implemented cloud-native messaging integrations with Google PubSub.
Backend Software EngineerJune 2019 - Aug 2020
MasMovil
- Developed scalable from-scratch financial integration projects for JSON, YAML, and XML data.
- Designed REST APIs using Java Vertx and Google's Bazel package manager.
Machine Learning InternFeb 2018 - Aug 2018
BQ
- Researched and implemented LIPSNN (Siamese Neural Network) for facial verification using Python & Tensorflow.
Publications
LIPSNN: Facial Verification ModelNov 1, 2021
UC3M, Madrid
- Proposal of a new neural model based on Siamese Neural Networks for low computing systems.
Global Info Systems ManagementApril 12, 2019
Tampere University, Finland
- Research on “Artificial Intelligence, Augmented Reality and Mixed Reality in Cultural Venues”.
Personal / Side Projects
IT Consultant - Energy SpainFeb 2024 - August 2025
- Architected cloud-native solution on Azure (Functions, SQL, Event Hub, Data Factory) for electricity monitoring.
ResumineFeb 2023 - Present
- WebApp for tailored cover letters using React, TypeScript, and Supabase. Over 400 users.
InvestraFeb 2023 - Feb 2025
- Financial visualization app built with Flutter and Python/FastAPI backend.
ByPay
- Disruptive payment method using face palms (Flutter, Python/FastAPI, MongoDB).
Global Home RenovationApr 2024 - Present
- Managed comprehensive renovation of a 1920s house, overseeing budgets, contractors, and timelines.
- Tools: AutoCAD, Jira Board, Sprint Timelines, and precision hardware tools.