The Role
The Junior Data Engineer / ETL Developer is responsible for data stream processing, SQL development, ETL process support, and data quality management while collaborating with various teams.
Summary Generated by Built In
Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions.
Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 400 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients.
We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below!
Project
- Cloud Migration
Responsibilities
- Design, develop, and optimize data processing and ETL/ELT pipelines for large-scale data handling
- Build and maintain data warehouse and data mart architectures, including data models and data flows
- Ensure data quality and consistency through automated processes
- Develop Python-based data processing and automation solutions
- Optimize performance at both SQL and database levels
- Mentor and provide technical guidance to junior team members
- Collaborate closely with other development, infrastructure, and business teams throughout projects
Requirements
- 5+ years of relevant experience in data engineering, data warehousing, or ETL development
- Excellent SQL skills, including complex query design and performance tuning
- Strong Python knowledge for data processing, automation, and integration tasks
- Proven experience in data warehouse and data model design
- Hands-on experience with ETL/ELT tools (e.g., Airflow, dbt, Talend, Informatica, etc.)
- Practical experience working with cloud data platforms (e.g., Snowflake, AWS, Azure, GCP BigQuery)
- Proficient English communication skills, both written and spoken
- Self-driven, proactive approach with strong analytical and problem-solving skills
Advantages
- Experience with data visualization and reporting tools (e.g., Tableau, Power BI, Looker)
- Knowledge of CI/CD processes, data pipeline orchestration, or data governance frameworks
- Familiarity with big data technologies (e.g., Spark, Kafka, Databricks)
- Experience implementing data security and data quality frameworks
Why we think you will love working here:
With us you count as a person, our doors are always open.
We live the Qualysoft Team Spirit and stand for transparency!
Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.
Top Skills
Data Warehousing
ETL
Power BI
Python
Snowflake
SQL
Tableau
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The Company
What We Do
With 25 years of experience serving more than 250 international clients, we are a one-stop shop for IT services and digitizing business needs. Powered by more than 500 specialists in Central and Eastern Europe, we have the expertise to close the gap between technology and your business growth








