3 months ago
São Paulo, BrazilMid Level / Senior
Responsibilities
- Develop and maintain data models across raw and curated data layers.
- Build and optimize ETL/ELT pipelines ingesting billing, CRM, network, product, and support data into an S3-based data lake.
- Consume Kafka topics and handle late, duplicate, and out-of-order events.
- Own dbt transformations, including tests and technical documentation.
- Orchestrate and monitor Airflow pipelines with retries, alerting, backfills, and SLAs.
- Write efficient SQL for transformation logic and ad-hoc investigation.
- Implement data quality checks for completeness, freshness, and source reconciliation.
- Collaborate with team members, contribute to continuous improvement, and maintain accurate technical documentation.
- Own end-to-end data flow quality and outcomes.
Requirements
- 3–5 years of hands-on data engineering experience.
- Strong SQL skills, including window functions, CTEs, and query optimization.
- Experience building and maintaining data pipelines using AWS S3, Glue, and Athena, or closely comparable lake and warehouse technologies.
- Practical understanding of raw-to-conformed data modeling and dimensional modeling fundamentals.
- Experience consuming Kafka or another streaming/message system as a data source.
- Advanced Python proficiency for ETL development, data manipulation, and system automation.
- Strong communication skills.
- Airflow experience with DAG design, retries, and backfills is preferred.
- dbt experience with modeling, testing, and documentation is preferred.
- Exposure to Apache Iceberg or other open table formats is preferred.
- Telecom or other high-volume regulated data experience, such as finance or healthcare, is preferred.
Benefits
- CLT employment contract with job stability and benefits.
- Quarterly performance bonuses.
- Meal allowance of R$100 per working day paid through a Caju card.
- Health insurance through SulAmérica, with 50% covered by the company.
- Extended parental leave including 180 days of maternity leave and 20 days of paternity leave.
- Daycare allowance of R$500 per month per child for mothers with children under three.
- Hybrid workplace in São Paulo.
- Career growth, professional development, international office opportunities, and exposure to a collaborative global team.
Tech Stack
Amazon RedshiftApache AirflowApache HiveApache KafkaApache SparkAWSdbtGoogle BigQueryPythonSnowflakeSQL
Categories
Data Engineering
About 1GLOBAL
1GLOBAL provides eSIM-based mobile connectivity and an owned global core network for enterprises, consumers, and IoT device makers, sold via subscriptions and wholesale/MVNO services. The privately held company operates as a regulated telecom provider across 40 countries, including MVNO operations in 12 markets, and offers APIs to embed mobile service into brands and apps. Founded in 2022 by Hakan Koç and Pyrros Koussios, it is headquartered in Amsterdam.