Senior Data Engineer (AdTech)

Senior Data Engineer (AdTech)

Romania

Overview

Required skills

Python / strong SQL / strong Py
Spark / strong Apache Spark / strong Hadoop / good

We are looking for a Senior Data Engineer to join one of our teams and help us build great products for our clients.

You’ll be part of a
- performance team where innovation, collaboration, and excellence are at the core of everything we do. As a Senior Data Engineer, you’ll have the chance to design and develop optimized, scalable big data pipelines that power our products and applications we work on. Your expertise will be valued, your voice will be heard, and your career will be supported every step of the way.

Does this sound like an interesting opportunity? Keep reading to learn more about your future role!

Customer

Our client is an international technology company that specializes in developing
- load platforms for data processing and analytics. The company’s core product helps businesses manage large volumes of data, build models, and gain actionable insights. The company operates globally, serving clients primarily in the Marketing and Advertising domain. They focus on modern technologies, microservices architecture, and
- based solutions.

Requirements

4+ years of experience in data engineering, big data architecture, or related fields

Strong proficiency in Python and Py
Spark

Advanced SQL skills, including query optimization, complex joins, and window functions. Experience using No
SQL databases

Strong understanding of distributed computing principles and practical experience with tools, such as Apache Spark, Kafka, Hadoop, Presto, and Databricks

Experience designing and managing data warehouses and data lake architectures in cloud environments (AWS, GCP, or Azure)

Familiarity with data modeling, schema design, and performance tuning for large datasets

Experience working with business intelligence tools, such as Tableau or Power BI for reporting and analytics

Strong understanding of Dev
Ops practices for automating deployment, monitoring, and scaling of big data applications (e. g. , CI/CD pipelines)

At least Upper-Intermediate level of English

Personal Profile

Excellent communication skills

Ability to collaborate effectively within
- functional and multicultural teams

Responsibilities

Design, develop, and maintain end-to-end big data pipelines that are optimized, scalable, and capable of processing large volumes of data in
- time and batch modes

Collaborate closely with cross-functional stakeholders to gather requirements and deliver
- quality data solutions that align with business goals

Implement data transformation and integration processes using modern big data frameworks and cloud platforms

Build and maintain data models, data warehouses, and schema designs to support analytics and reporting needs

Ensure data quality, reliability, and performance by implementing robust testing, monitoring, and alerting practices

Contribute to architecture decisions for distributed data systems and help optimize performance for
- load environments

Ensure compliance with data security and governance standards

Informații detaliate despre oferta de muncă

Firma:	Sigma Software
Localiția:	Romania
Adăugat:	30. 10. 2025 Postul de muncă activ

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