Data Engineer (M/F) Braga
About dstgroup
dstgroup one of
Portugal biggest construction company
, operating at the crossroads of construction, engineering, and digital transformation. With a workforce of over 3,000 employees generating massive daily data streams, our mission is to build robust data foundations that empower advanced
AI and NLP teams
.
We are seeking a
Data Engineer
to design and maintain scalable, high-quality data pipelines that make data accessible, structured, and ready for model training and evaluation. Your work will directly enable our AI/NLP team to focus on innovation rather than data preparation.
What you will do
* Design, develop, and maintain
ETL/CRISP-DM pipelines
to process diverse data streams into structured, reliable datasets.
* Build and optimize
SQL-based solutions
, with a focus on the
PostgreSQL ecosystem
, including:
* pgvector
for embedding storage and retrieval,
* PostGIS
for geospatial analysis,
* TimescaleDB
for time-series data.
* Implement and manage
REST APIs
to expose data products to downstream consumers.
* Ensure data quality, governance, and reproducibility, with special focus on
textual/NLP data collections
.
* Develop and maintain
containerized solutions with Docker
, ensuring reproducibility and scalability.
* Use
Git and GitLab CI/CD pipelines
to automate testing, integration, and deployment of data workflows.
* Collaborate with
AI/NLP teams
to understand their data requirements and deliver datasets optimized for model training, evaluation, and deployment.
* Integrate open-source tools with
Azure cloud services
for storage, orchestration, and monitoring.
What we are looking for
* 2+ years of professional experience as a
Data Engineer
or in a similar role.
* Strong proficiency in
SQL
and relational databases (especially PostgreSQL).
* Hands-on experience with
pgvector, PostGIS, or TimescaleDB
.
* Experience designing REST APIs
* Strong Python programming skills, preferably with
PySpark
.
* Proficiency in
Docker
for development and production environments.
* Experience with
Git
and
GitLab CI/CD
.
* Familiarity with
Airflow
and
Azure cloud services
.
* Previous experience collaborating with
AI/ML teams
, especially in preparing NLP datasets.
* Good communication skills in English and ability to work in cross-functional teams.
Nice to Have (not mandatory):
* Ph.D. in Computer Science, Artificial Intelligence, or a related field.
* Experience both in Academia and Industry
* Have a strong track record of scientific research (in any field), and have done work on information retrieval, knowledge representation and reasoning, structured knowledge extraction, or large-scale data analytics.
* Willingness to mentor younger members and co-supervise master's theses in collaboration with the universities of Minho and Porto.
What we offer
* The chance to shape the
data backbone
for one of Portugal's biggest construction companies.
* Work directly at the interface of
data engineering, AI, and NLP
, with immediate business impact.
* Hybrid work model with flexibility.
* Competitive salary and benefits package.
* A collaborative, forward-looking environment focused on innovation and data-driven decision-making.