Senior Data Engineer: Big Data, Cloud & ML at Scale

T-Mobile; Bellevue (WA); On-site; USD 105,000 - 190,000; Full time

Job summary

T-Mobile Advertising Solutions (T-Ads) is seeking a Senior Data Engineer to design and build data pipelines and analytics capabilities powered by Python, Spark and Scala. You will collaborate with engineers, data scientists, and product managers to deliver scalable, privacy-first data products that drive measurable business outcomes.

This role emphasizes modern cloud-based architectures on GCP, streaming data, ETL processes, and robust data pipelines.

Qualifications

• Bachelor's degree + 5 years of related work experience or advanced degree with 3 years.
• Acceptable areas: Computer Engineering, Computer Science or related field.
• 4-7 years hands-on with streaming data, relational and non-relational databases, and distributed processing.
• 4-7 years designing and developing advanced data engineering tasks in Python, SQL, Spark and libraries (e.g., pandas, scikit-learn, scipy, numpy).
• 4-7 years advanced knowledge in building complex data pipelines and cloud-based services (GCP) with Airflow, Kafka.

Responsibilities

• Design and develop data engineering solutions that enable data pipelines, visualization, and analytical tools to support business requirements.
• Innovate, implement, support, and iterate on scalable big data pipelines and ETL processes.
• Write robust, efficient, and highly maintainable code in Python, Spark and Scala.
• Contribute to team knowledge sharing and drive the advancement of new data engineering capabilities.
• Assist technical, product, and operational leaders in project definition, including estimating, planning, and scoping work to meet objectives.
• Also responsible for other duties/projects as assigned by business management as needed

Skills

Strong background in software

GIS and geospatial processing

DevOps for DataOps

Requirement-driven design

Google BigQuery and graph data

Education

Education: Bachelor + 5yrs or advanced degree + 3yrs

Study areas: Computer Engineering/Computer Science

Streaming data & distributed processing 4–7yrs

Python, Spark, SQL & libraries 4–7yrs

GCP, Airflow, Kafka 4–7yrs

Tools

Python

Spark

SQL

BigQuery

Airflow

Kafka

Pandas

scikit-learn

scipy

numpy

Job description

T-Mobile Advertising Solutions (T-Ads) is seeking a Senior Data Engineer to design and build data pipelines and analytics capabilities powered by Python, Spark and Scala. You will collaborate with engineers, data scientists, and product managers to deliver scalable, privacy-first data products that drive measurable business outcomes.

This role emphasizes modern cloud-based architectures on GCP, streaming data, ETL processes, and robust data pipelines.