1GLOBAL

Data Engineer

Brak informacji o wynagrodzeniu

MidOn-site·WarszawaFull-time

#424049·Dodano dwa miesiące temu·2

Źródło: 1GLOBAL

Aplikuj teraz

Tech Stack / Keywords

NetworkData LakeETL Kafka Airflow SQL AWS Spark

Firma i stanowisko

1GLOBAL is a technology-driven global mobile communications provider delivering global connectivity solutions to enterprises and consumers. The company operates a global mobile core network in 15 countries and eSIM technology, serving customers across 43 countries worldwide. Its clients include banks, multinational enterprises, retailers, neo-banks, FMCG companies, travel leaders, and payment service providers. Founded in 2022, 1GLOBAL is headquartered in the Netherlands with R&D hubs in Lisbon, Berlin, and São Paulo, employing about 550 experts in 16 countries.

Wymagania

Must Have:

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 on AWS S3, Glue, and Athena or comparable lake/warehouse stacks like Spark, Hive/EMR, BigQuery, Redshift, Snowflake, or Exasol
Practical understanding of data modelling including raw to conformed layers and dimensional modelling basics
Experience consuming from Kafka or similar streaming/message systems
Advanced proficiency in Python for ETL development, data manipulation, and automation
Strong communication skills

Nice to Have:

Experience with Airflow DAG design, retries, backfills
Experience with dbt modelling, testing, documentation
Exposure to Apache Iceberg or other open table formats
Experience in telecom or other high-volume, regulated data environments such as finance or healthcare

Obowiązki

Develop and implement data models ensuring data accuracy, consistency, and reliability across raw and curated layers
Create and optimize ETL/ELT pipelines ingesting data from source systems into S3-based data lake
Consume and handle data from Kafka topics, managing late, duplicate, or out-of-order events
Own data transformations in dbt with tests and documentation
Orchestrate and monitor pipelines in Airflow including retries, alerting, backfills, and SLAs
Write efficient and well-structured SQL for transformation logic and investigations
Contribute to data quality checks and flag anomalies before reporting
Collaborate to ensure smooth development processes and shared understanding
Take ownership of quality and end-to-end flow functionality
Maintain accurate and up-to-date technical documentation
Contribute to team discussions with focus on continuous improvement and openness to new ideas or technologies

Benefity

Growth opportunities in a fast-growing telecommunications company expanding over 50% year-on-year
Exposure to major transactions impacting the telecom industry
Collaboration with a talented team including board members, founders, and senior management
Dynamic and collaborative work environment encouraging innovation
Professional development alongside industry experts
Opportunities to work internationally across different 1GLOBAL offices
Open communication culture fostering support and transparency
Results-driven team valuing efficiency, creativity, and impactful contributions

1GLOBAL

4 aktywne oferty

Zobacz wszystkie oferty

Aplikuj teraz