This job was automatically translated to English.

Requirements

What we're looking for

Python: scripting from scratch, data processing and ingestion, file and memory management, data structures, and error handling.
Advanced SQL: joins, aggregations, filters, duplicate detection, orphan records, and Window Functions.
PostgreSQL: large volumes, index creation and optimization, EXPLAIN, and tuning.
ETL/ELT: development through code, incremental/full loads, error management, and data quality controls.
Solid foundation in Data Warehousing and relational databases.

Nice to have

StarRocks, ClickHouse, or Apache Doris.
Dimensional modeling: facts, dimensions, star schema, OLTP vs OLAP.
Git and orchestration with Airflow, Cron, or other open source tools.
Basic concepts of Power BI.

The role

We are looking for a highly technical and hands-on Data Engineer, with 4-5 years of experience, accustomed to developing data solutions through pure code, mainly Python and SQL.

The environment is strongly oriented towards open source, without visual ETL tools. Work will involve developing scripts from scratch, processing and orchestrating data, with PostgreSQL and StarRocks as key technologies.

About Tecdata Engineering

Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services provider specialized in global technology projects, with a portfolio covering custom software development, legacy modernization, managed services, cloud infrastructure, Salesforce, cybersecurity (including SOC, pentesting and NIS2 compliance), and data & AI services, alongside IT talent services such as headhunting and staff augmentation. The company reports being founded in 2012 with around 500 employees ("Compañeros 500") and 5M in billing, and forms part of a broader technology consulting group with more than 550 consultants across 5 countries. It states it is present in major economic sectors including banking, telecommunications, and insurance.

In Spain, Tecdata Engineering hires across multiple locations including Madrid, Barcelona, and Bilbao, with a significant share of openings marked "Completamente remoto" (fully remote) or hybrid. Its careers portal organizes vacancies into departments such as Desarrollo y QA, Ciberseguridad, Cloud, DevOps, Sistemas y Producción, Gestión de Proyectos, Comercial, and RRHH, and current openings range from COBOL and mainframe-adjacent banking roles to data engineering, Salesforce, SAP, cybersecurity, and air traffic management QA. For international professionals considering a move to Spain, the volume of remote-eligible roles across the country is notable, though the company's careers and website content is published in Spanish.

Industry: IT Services
Founded: 2012
Employees: 500
Website: https://jobeax.com/link/rJwFchGhU66YNmET

Good to know if you are moving

Many openings are advertised as fully remote within Spain, e.g. "Senior Data Scientist – GCP Madrid · Completamente remoto" and "ML ENGINEER Madrid · Completamente remoto".
Hiring activity in Spain includes Madrid, Barcelona, and Bilbao, with hybrid and on-site arrangements depending on the role.
The company reports around 500 employees ("Compañeros 500") and was founded in 2012.
It is part of a technology consulting group with more than 550 consultants operating in 5 countries.
Its client sectors include banking, telecommunications, and insurance, so many roles involve regulated, enterprise-grade environments.

All open roles at Tecdata Engineering

Data Engineer (Python, SQL, ETL)

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