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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on advancing data infrastructure and transforming data into actionable insights. Key technologies include Azure Cloud, PySpark, SQL, Databricks and DataOps practices. Responsibilities cover designing and maintaining ETL systems, ensuring data quality, collaborating with DevOps and data scientists, and supporting automation and regulatory compliance. The role uses Agile methodologies.
Junior Data Engineer
Company: VAILLANT GROUP BUSINESS SERVICES POLAND Sp. z o.o.
from: 15 June 2026
to: 30 July 2026
11 500 - 15 500 złgross/ mth.contract of employment (full-time)
Salary details
basic salary
fixed bonus (e.g., quarterly, annual)
Offer parameters
level:junior
working mode:hybrid
Katowice, Silesian
Requirements
Expected technologies
Python
SQL
Azure
Optional technologies
Databricks
Operating system
Windows
Our requirements
- Qualification: You hold a university degree, preferably in Computer Science or a related field, with a focus on Data Science, Data Mining, or Data Analytics.
- Experience: You bring valid experience in data analytics, particularly within a Big Data context.
- Know-how and skills: Your proficiency in Python (PySpark) and SQL is fluent, and you are adept at working with cloud services and related components, ideally within the Microsoft Azure ecosystem and Databricks.
- Nice to have: Experience with additional data platforms and tools will be a plus.
- Personality: You thrive in a team setting, showcasing a high degree of initiative and motivation to excel in an agile and interdisciplinary environment.
- Language skills: Fluency in English is essential, enabling effective communication and collaboration across our global teams.
Your responsibilities
- You will help in designing, building, and maintaining robust infrastructure and programs for efficient data extraction, transformation, loading, and serving. You will leverage Azure Cloud services, Spark technologies, and DataOps practices to handle large data volumes from diverse sources such as IoT, SAP, Salesforce
- You will play an important role in supporting the design, development, maintenance, and automation of data products on our data platform, contributing significantly to data governance and security compliance.
- Ensuring data quality and accuracy is your priority, and you will implement validation and cleansing processes to achieve this.
- You will collaborate with a dynamic team of DevOps engineers, data scientists, and data engineers, and you will engage in advanced analytics of machine data, business process-related data, and customer data, enhancing Vaillant Group’s digital service portfolio.
- Your effective communication skills will shine as you work with cross-functional colleagues, sharing innovative ideas and fostering a collaborative environment.
- Agile methodologies are your preferred approach, allowing you to work seamlessly with the team and stakeholders.
About the project
We are looking for a Data Engineer to join our innovative team at Vaillant. In this role, you will be instrumental in advancing our data infrastructure, driving analytics excellence, and leveraging cutting-edge technologies to transform data into actionable insights. If you are passionate about making a meaningful impact and eager to collaborate with a team that appreciates your expertise, we encourage you to apply.
This is how we organize our work
This is how we work
in houseyou focus on a single project at a timeyou focus on product development
Team members
big data developer
What makes us special
We take care of a better climate. In every home and our environment. As a successful family business, we have been living up to this claim for over 150 years. We are one of the world's leading providers of heat pumps, digital services and efficient gas heating appliances and offer energy-saving solutions.
You will find sustainability everywhere at the Vaillant Group. In the office, at the production sites and on the road. Around 16,000 employees from over 70 countries are committed to this every day. As an international team, we take responsibility - for our future and that of our planet. We promote your personal development so that you can act with passion and together we can ensure a better climate.
Become part of the Vaillant Group and help us shape the future of heating!
We promote equity and do not tolerate any form of discrimination. We value the uniqueness of each individual and encourage all people to apply.
Development opportunities we offer
- assistance in preparation to public speeches
- conferences abroad
- conferences in Poland
- development budget
- external training
- industry-specific e-learning platforms
- intracompany training
- mentoring
- space for experimenting
- substantive support from technological leaders
- support of IT events
- technical knowledge exchange within the company
- time for development of your ideas
What we offer
- Flexible work model: adjustable starting times (7:30 – 9:00AM), hybrid work 70/30, and up to 30 days of remote work from abroad from selected countries.
- Health & Wellness support: private medical care (Medicover), sports card subsidy (Multisport), group insurance (Warta), and ergonomic office spaces.
- Time off & balance: additional paid 2 days off and subsidies for recreation.
- Financial perks: up to 30% discount on company products, support for commuting and eyewear.
- Growth & Development: access to internal training, mentoring programs, self-learning platform for languages (eTutor) and international projects.
- Culture & Community: company events, family friendly activities, and open opportunities within Vaillant Group.
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of foreign language classes
- sharing the costs of professional training & courses
- life insurance
- remote work opportunities
- corporate products and services at discounted prices
- integration events
- corporate gym
- saving & investment scheme
- corporate library
- no dress code
- coffee / tea
- parking space for employees
- leisure zone
- extra social benefits
- sharing the costs of tourist services
- holiday funds
- sharing the costs of holidays for kids
- christmas gifts
- sharing the commuting costs
- employee referral program
- opportunity to obtain permits and licenses
- charity initiatives
- extra leave
- Flexi time (start 7:00-9:30)
VAILLANT GROUP BUSINESS SERVICES POLAND Sp. z o.o.
The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology. Join our team of 17,000 colleagues from more than 70 countries who work every day for a better climate – for people at home and the environment. We work on large-scale, innovative and strategic projects. With small, everyday gestures so that we can all play our part. Act global, work global. And become part of a global team. We sell our products in around 60 countries, using ten production and development sites in six European countries, as well as China.
Working for us makes you responsible for the future – your own, and that of our planet. We can offer you excellent conditions.
Having a global team of 17,000 colleagues and more than 70 nationalities. And enabling many of them to work flexibly when needed.
Both count. Both are us.
This is how we work
Junior Data Engineer
11.5k–15.5k zł / mth. (CoE)
I apply to:
VAILLANT GROUP BUSINESS SERVICES POLAND Sp. z o.o.
Katowice, Silesian
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