Automation Test Engineer – Data & Platform Engineering
Location:

Madrid or Barcelona, Spain
Hybrid:

2–3 days per week from the Madrid/Barcelona office
Contract:

Long-term
AI Ways of Working:

Mandatory
About the Role
We’re looking for an experienced

Automation Test Engineer

to own

Quality Engineering

across data and platform engineering.
This is

not a Test Lead or Test Management role . You’ll be hands-on, building scalable automation frameworks, designing data validation strategies, challenging weak implementations, and creating quality gates that prevent issues from reaching production.
You should be highly comfortable with

Python, SQL, data testing, automation frameworks, streaming systems and cloud technologies , while actively using

AI-assisted ways of working

to accelerate automation and engineering productivity.
What You’ll Be Doing
Design and evolve scalable, modular, metadata-driven

test automation frameworks
Build automation for

batch and streaming data pipelines, APIs and backend services
Develop reusable data testing capabilities for:




SQL assertions and reconciliation
Schema validation and evolution
Data contracts
Lineage and freshness
YAML/JSON-based test configurations
Proactively test failure scenarios including:
Schema drift
Duplicate, missing and out-of-order events
Late-arriving data
Retries, DLQs and backpressure
High-volume and concurrency issues
Validate ETL/ELT pipelines using

row, aggregate and hash-based reconciliation
Test incremental loads, backfills and event-processing semantics
Integrate and extend

Great Expectations, Soda

or similar data-quality tools
Embed automated quality gates into

CI/CD and DataOps pipelines
Work with

GitHub Actions, Jenkins

or equivalent
Develop strategies for synthetic, masked and deterministic test data
Perform performance, stress and reliability testing across data platforms
Automate security and compliance validations around

PII/PHI, encryption, access control and data retention
Work closel

📌 Automation Test Engineer (Madrid)
🏢 Ubique Systems
📍 Madrid