Data Engineer, Global Data Lake & ETL Lead

1GLOBAL; Lisboa; On-site; EUR 45,000 - 75,000; Full time

Benefits offered by this job

Growth opportunities

Professional development

International experience

Collaborative work environment

Open communication culture

Job summary

1GLOBAL is seeking a hands-on Data Engineer to join our Lisbon data platform. You’ll shape the data model, build and optimize ETL/ELT pipelines, and ensure reliable data for reporting and analytics.

You’ll work with Kafka, Airflow, and modern data tools to deliver end-to-end data flows. Strong Python, SQL, and communication skills are essential for success in our fast-paced, global environment.

Qualifications

• 3–5 years of hands-on data engineering experience.
• Strong SQL— window functions, CTEs, query optimization.
• Experience building and maintaining data pipelines on AWS S3, Glue, and Athena.
• Practical understanding of data modelling: raw → conformed layers and dimensional modelling basics.
• Experience consuming from Kafka (or other streaming systems) as a data source.
• Advanced proficiency in Python for ETL development, data manipulation, and automation.
• Strong communications skills.

Responsibilities

• Develop and implement data models, ensuring data accuracy and reliability across raw and curated layers.
• Create and optimize ETL/ELT pipelines that ingest data from source systems into our S3-based data lake.
• Consume from Kafka topics and build robust logic handling late, duplicate, or out-of-order events.
• Own data transformations with tests and documentation to ensure trust in numbers.
• Orchestrate and monitor pipelines in Airflow, including retries, alerting, backfills, and SLAs.
• Write efficient SQL for transformation logic and ad-hoc investigations.
• Contribute to data quality checks and flag anomalies before they reach reporting.
• Collaborate with team members to ensure smooth development processes and shared understanding.
• Take ownership of end-to-end data flows and maintain accurate technical documentation.

Skills

Data engineering

SQL

Python

Kafka

ETL development

Communication

Tools

AWS S3

Glue

Athena

Spark

BigQuery

Redshift

Snowflake

Airflow

Job description

1GLOBAL is seeking a hands-on Data Engineer to join our Lisbon data platform. You’ll shape the data model, build and optimize ETL/ELT pipelines, and ensure reliable data for reporting and analytics.

You’ll work with Kafka, Airflow, and modern data tools to deliver end-to-end data flows. Strong Python, SQL, and communication skills are essential for success in our fast-paced, global environment.