Data Software Engineer: Cloud Analytics & DataOps

Vaillant Group Business Services Poland; Katowice; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Flexible start times

Remote work days abroad

Private medical care

Sports card subsidy

Group insurance

Ergonomic office spaces

Training & mentoring

Product discounts

Job summary

Vaillant Group Business Services Poland is seeking a Data Software Engineer to collaborate with data scientists and engineers on analytics foundations for machine data, processes and customer insights.

You will maintain a scalable codebase for ETL/ELT across IoT, CRM and enterprise platforms, ensuring high quality software and reliable data products on our platform. English fluency is required; German is a plus, and the role features a hybrid work model.

Qualifications

• University degree in computer science or a comparable quantitative field is required.
• Three+ years of professional software development experience in data analytics or data engineering environments.
• Proficient in Python and SQL with hands‑on experience in modular, scalable data analytics applications, ideally using cloud-based technologies such as Azure and Databricks.
• Nice to have: Java, Scala, Spark or Kafka; exposure to agile frameworks and tools.

Responsibilities

• Collaborate with data scientists and data engineers to strengthen the software foundation of analytics solutions for machine data, business processes, and customer insights.
• Maintain and further develop a scalable codebase for ETL/ELT processes extracting, transforming, and serving large data volumes from IoT, CRM, and enterprise platforms.
• Ensure high code quality and reliable operation of data products on our data platform.
• Apply DataOps practices and automation to streamline development workflows and improve efficiency across analytics solutions.
• Contribute to data governance and security initiatives, ensuring compliance with standards and regulatory requirements.
• Engage with product owners and stakeholders to translate requirements into high-quality technical solutions.

Skills

Python

SQL

English fluency

Azure

Databricks

Java

Scala

Apache Spark

Kafka

German language advantage

Education

University degree in computer science or quantitative field

Tools

Microsoft Azure

Databricks

Job description

Vaillant Group Business Services Poland is seeking a Data Software Engineer to collaborate with data scientists and engineers on analytics foundations for machine data, processes and customer insights.

You will maintain a scalable codebase for ETL/ELT across IoT, CRM and enterprise platforms, ensuring high quality software and reliable data products on our platform. English fluency is required; German is a plus, and the role features a hybrid work model.