Senior Data Engineer

Aubay Portugal; Porto; Hybrid; EUR 40,000 - 70,000; Full time

Benefits offered by this job

Training Academy

Health insurance (including dental)

Well-being platform

Team events

Family life support

Language platform

Hybrid work model

Job summary

Aubay Portugal is seeking an experienced Data Engineer to design, build and optimize data pipelines and data models across platforms. The role focuses on Python, SQL, ETL/ELT processes, and cloud-based data architectures. Strong English communication is required to collaborate with international teams.

The position offers a hybrid work model, a commitment to training, health benefits and team-focused development within a broad European group.

Qualifications

• Proven hands-on experience designing, developing, and maintaining ETL/ELT pipelines.

Skills

Data Engineering

Python

SQL

ETL/ELT pipelines

Data modeling

Relational databases

Query performance

Data integration

English (B2+)

Cloud platforms

Azure

AWS

GCP

Airflow

ADF

Tools

Git

Airflow

ADF

Job description

At Aubay Portugal, we work daily with some of the largest organisations across sectors such as banking, insurance, telecommunications and energy, helping to build and evolve critical systems that support millions of users. We have been in Portugal since 2007 and are part of an international group with a presence in several European countries. More than technology, we build close relationships and deliver real-impact projects.

What are we looking for?

At Aubay, our focus is on professionals who bring both technical expertise and the right mindset:

• More than 5 years of experience as a Data Engineer;
• Strong hands-on experience with Python and SQL;
• Proven experience designing, developing, and maintaining ETL/ELT pipelines;
• Solid understanding of data modeling and data architecture principles;
• Experience working with relational databases and query performance optimization;
• Experience integrating, transforming, and validating large-scale datasets;
• Proficiency with Git and version control best practices;
• Experience with cloud platforms (Azure, AWS, or GCP);
• Experience with data orchestration tools such as Airflow, Azure Data Factory, or similar;
• Strong problem-solving and analytical skills;
• Professional proficiency in English (B2+).

What can we offer?

At Aubay, we invest in your development and well-being:

• Continuous growth through our Training Academy, with technical and soft skills training, mentoring, tech communities, workshops and in-person meetups;
• Close support with regular feedback and a structured career advancement model;
• Comprehensive health insurance, including dental coverage, as well as access to a mental health platform and well-being initiatives;
• Team-oriented environment, including events and initiatives to promote connection and team spirit;
• Personal and family life support, from the moment your children are born and throughout their educational path;
• Access to a language platform with conversational classes in multiple languages;
• Project-tailored work model: hybrid.

What will you find here?

• A close-knit and informal environment, where direct communication is preferred and people are valued;
• Recognition of your contribution, with initiatives that celebrate meaningful moments;
• Freedom to be yourself, without unnecessary formalities;
• Teams where knowledge sharing, collaboration and joint growth are a reality.

If you are looking for more than just a project and want to be part of a team where you can grow consistently, The future awaits you, and so do we.

Personal Data collected by AUBAY PORTUGAL as Data Controller, regarding the identification, contact and professional capabilities of the candidates, in the present procedure, will be processed for the application analysis, having in consideration that the processing is conducted in order to take the steps, at the request of the data subject, prior to entering into a contract; Personal data sent through the present application will be kept by Aubay during the application procedure and will remain stored whilst updated (for two years period). The collected data might be transferred or include other processing activities, as long as the data subject is informed, in the occurrence of a standard application and selection procedure, for the compliance of legal obligations for the time required by law. For any queries or request regarding personal data protection rights, the Data Subject may contact AUBAY PORTUGAL's headquarters in Avenida Duque D'Ávila, nº46 em Lisboa or use the DPO's e-mail - [e-mail]. The Data Subject also has the right to file a complaint with the National Data Protection Authority – www.cnpd.pt. (please do not include data regarding racial or ethnical origins, political opinions, religion, philosophy, biometrical data, health data, sexual life and orientation, or relating to criminal convictions and offences.)