NTT DATA Romania SA

Senior Data Engineer (Python,BQ)

NTT DATA Romania SA Bucharest, Romania

IT Services and IT Consulting · 10,001+ employees

Yesterday
python Senior (5-10 yrs) Full-time Romania
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About the role

Design and implement scalable batch and real-time ETL/ELT data pipelines using Python, SQL, and BigQuery on Google Cloud. Collaborate with cross-functional teams to build robust data models and ensure high performance and reliability of data products.

What they look for

Python BigQuery SQL PySpark Spark Google Cloud Platform Data Engineering ETL ELT Data Modeling Data Pipelines Data Quality CI/CD Cloud-native Dataflow Cloud Composer

Requirements

Requires at least 5 years of experience in data engineering with a strong background in SQL, Python, and PySpark. A university degree in computer science or a comparable qualification is mandatory.

Full description

Who we are

You will join the OneMIS stream, responsible for management, regulatory & risk reporting, and advanced analytics. Our mission includes enhancing data quality via KPIs and migrating data platforms to modern, cloud-native ecosystems. We operate in an agile environment, committed to responsible data practices.

We are looking for a Senior Data Engineer to design and deliver scalable data pipelines and high performance analytical solutions using SQL/BigQuery, Spark/PySpark, and Python on Google Cloud. This role focuses on building reliable, cloud native data products that enable advanced reporting, analytics, and decision making across the organization.

What you'll be doing

  • Build scalable data pipelines: Design and deliver batch and real-time ETL/ELT pipelines across cloud environments to support analytics and reporting
  • Develop SQL and BigQuery solutions: Write and optimize advanced SQL transformations and build performant, cost‑efficient BigQuery data models
  • Develop Python workflows: Implement scalable data processing solutions using Python and PySpark, ensuring maintainable and high‑quality code
  • Design data models and ensure quality: Build robust data models and apply validation practices to maintain accuracy and reliability
  • Build cloud‑native data solutions: Use GCP services such as BigQuery, Dataflow, Cloud Composer, Pub/Sub, and GCS to build and operate modern data platforms
  • Optimize performance and reliability: Troubleshoot complex pipeline issues and continuously improve compute, storage, and processing performance
  • Collaborate using strong engineering practices: Work with engineering, analytics, and business teams while contributing to CI/CD, code reviews, and testing standards

What You'll Bring Along

  • University degree in computer science or a comparable qualification
  • At least 5 years of experience as a Data Engineer, building scalable data pipelines and working with cloud-based data ecosystems
  • Strong expertise in SQL and hands‑on experience building performant datasets in BigQuery (or similar cloud data warehouses)
  • Proven experience with Python and PySpark for scalable data processing in distributed environments
  • Solid understanding of data modeling, ELT/ETL patterns, and data quality best practices
  • Experience with Google Cloud Platform, particularly BigQuery, Dataflow, Cloud Composer, GCS, or equivalent cloud data services
  • Hands‑on experience building scalable data pipelines (batch and near real‑time) in a cloud‑native environment
  • Proficiency with version control, CI/CD pipelines, and automated testing frameworks
  • Ability to troubleshoot and optimize performance across compute, storage, and processing layers

Nice to have:

  • Experience with Infrastructure as Code (Terraform, Ansible, Chef)
  • Knowledge of shell scripting
  • Experience in financial services or regulated environments

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