This job was automatically translated to English.

Requirements

What we're looking for

🐍 Python

Development of scripts from scratch for data processing and ingestion.
File processing, especially CSV.
Efficient management of memory and data structures.
Robust error management during ingestions.

🗄️ Advanced SQL

Complex queries, joins, aggregations, and filters.
Detection and handling of duplicates and orphan records.
Mastery of Window Functions.
Solid knowledge of relationships between tables.

🐘 PostgreSQL

Experience with large volumes of data.
Creation and optimization of indexes.
Analysis of execution plans using EXPLAIN.
Ability to identify performance issues and optimize queries.

🔄 ETL / ELT via code

Design and development of custom-programmed data pipelines.
Incremental loads and full loads.
Error and failure management during an ingestion.
Data quality and integrity controls via code.

Nice to have

Experience with StarRocks or similar analytical databases: ClickHouse, Apache Doris, etc.
Solid knowledge of Data Warehousing.
Star schemas, fact tables, and dimensions.
Differences between OLTP and OLAP architectures.
Git and development best practices.
Experience with Apache Airflow, Cron, or other open source orchestration tools.
Basic knowledge of data visualization, such as Power BI.

The role

At Tecdata Engineering, we are looking to hire a Data Engineer for a stable project at Seidor, working in a technical, open source environment that is very hands-on oriented.

If you are the type of profile that enjoys coding from scratch, working directly with Python and SQL and building data solutions without depending on visual ETL tools, this opportunity may interest you!

A highly technical Data Engineer, with a solid foundation in relational databases, Data Warehousing, Python, and SQL.

The project works with StarRocks as a high-performance analytical engine, so we are looking for a person with a good foundation in OLAP environments and the ability to quickly learn new technologies.

How you'll work

📍 Modality: 100% remote
💰 SBA: €33,000 gross/year
⏳ Experience: 4-5 years
🕐 Schedule: High schedule flexibility, with an approximate finish time of 17:00 h and intensive working days on Fridays.
📅 Project: Stable

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 | 100% Remote

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