Описание
1GLOBAL is a global mobile communications provider delivering connectivity solutions to enterprises and consumers. It operates regulated telecommunications and mobile virtual network services across multiple countries, supported by a global mobile core network, eSIM technology, and telecom licenses.
Задачи
- Develop and implement data models across raw and curated layers
- Create and optimize ETL/ELT pipelines ingesting data from billing, CRM, network, product, and support systems into an S3-based data lake
- Consume Kafka topics and build reliable logic for late, duplicate, and out-of-order events
- Own dbt data transformations, including tests and documentation
- Orchestrate and monitor Airflow pipelines, including retries, alerting, backfills, and SLAs
- Write efficient SQL for transformation logic and ad-hoc investigations
- Contribute to data quality checks covering completeness, freshness, and source reconciliation
- Flag anomalies before they reach reporting
- Collaborate with team members to ensure smooth development processes and shared understanding
- Take ownership of work quality and end-to-end outcomes
- Create and maintain accurate technical documentation
- Contribute to team discussions and continuous improvement
Требования
- 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 with AWS S3, Glue, and Athena, or a closely comparable lake/warehouse stack
- Practical understanding of data modelling, including raw‑to‑conformed layers and dimensional modelling basics
- 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
- Nice to have: Airflow, dbt, Apache Iceberg or other open table formats, experience in telecom or another high‑volume regulated data environment such as finance or healthcare
Условия
- Opportunities for career growth in a fast-growing telecommunications company
- Exposure to major transactions affecting the telco industry
- Collaboration with experienced leaders, founders, senior management, and external advisors
- Professional development alongside industry experts
- Opportunities to work in different 1GLOBAL offices worldwide
- Collaborative, dynamic, and international work environment
- Equal opportunity employment and a diversity-focused culture
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