Software Developer Trainee

We are seeking an Software Developer Trainee position based in our Poznań Office. 

Ready to help build a better future for generations to come? 

In an ever-changing, fast paced world, we owe it to ourselves and our future generations to live life responsibly.  At ROCKWOOL, we work relentlessly to enrich modern living through our innovative stone wool solutions.  

Join us and make a difference! 

What you will be doing

Grodan (part of Rockwool) is currently looking for an Trainee Backend Developer /Full Stack Developer to join the team. The project is a web application for growers to forecast and optimize the growing process. You would be responsible for the implementation of features, production maintenance, planning releases and automation/optimization of processes. The offer is dedicated to back-end and full-stack developers.

What you bring 
We are looking for a candidate who is likely a student in Computer Science, or other IT-related programs (we will consider any other background if you have relevant experience), and ideally has experience from a similar student job. 

It will bring you in a good position to apply for the job if you: 

• Current student status
• Availability min. 25h/week. We expect a commitment of at least 100 h per month (about 3/5 of full time) and for at least 6 months.
• Understanding of OOP principles & good code design
• Knowledge of the Spring and Spring Boot Framework
• Knowledge of Hibernate mapping framework
• Understanding and ability to use Java 8 - Streams
• Basic knowledge of SQL language
• Basic experience with Git versioning system
• Ability to be able to understand and create the documentation in English is a must-have as part of the team is based in USA, Netherlands and Lithuania. You should be able to communicate speak and write in English on at least B1 level. On daily basis we use Polish but for documentation and with outside co-workers we use English.
• Technology Stack:
  • Back End: Java 17+, Spring; Front End: React, Redux, Typescript
  • Frameworks: Spring Boot, Spring Cloud, JUnit 4, Mockito, React, Redux, Styled Component, Formik, Highcharts
  • We use smaller side tools written mostly in Python
  • Authentication and authorization service: Auth0
  • Tools: Atlassian stack, Jira, IntelliJ
  • CI / CD: Gitlab CI
  • AWS cloud services
  • Automated testing (unit, integration, e2e)

What we offer 

By joining our team, you become a part of the people-centric work environment of a Danish company. You will gain valuable experience in one of our teams which will be a good start in your professional life. 

Moreover, we offer to our interns: 

• team building events 
• flexible working hours 
• an office-first approach: option to work from home   

Also you will work in a modern office full of comfort zones and activity places in Nowy Rynek building, just a walking distance from the railway station and main Poznan universities located in the city center. We have prepared an onboarding program for you. This will give you the perfect opportunity to learn the process details and connect with the new team – a close-knit group of people who are always ready to help each other out. 

It could be a great opportunity to start your professional career with ROCKWOOL! 

Who we are 

We are the world leader in stone wool solutions. Founded in 1937 in Denmark, we transform volcanic rock into safe, sustainable products that help people and communities thrive. We are a global company with more than 12,000 employees, located in 40+ countries with 51 manufacturing facilities… all focused on one common purpose – to release the natural power of stone to enrich modern living. 
Sustainability is central to our business strategy. ROCKWOOL was one of the first companies to commit to actively contributing to the United Nations Sustainable Development Goals (SDG’s) framework and are actively committed to 11 SDGs, including SDG 14, Life Below Water. Through our partnership with the One Ocean Foundation and in connection with our sponsorship of the Denmark SailGP team, we will help raise awareness around ocean health challenges in an effort to accelerate solutions to protect it. 

Diverse and Inclusive Culture 

 We want all our people to feel valued, respected, included and heard. We employ 79 different nationalities worldwide and are committed to providing equal opportunities to all employees, promote diversity, and work against all forms of discrimination among ROCKWOOL employees. 
At ROCKWOOL, you will experience a friendly team environment. Our culture is very important to us. In fact, we refer to our culture as “The ROCKWOOL Way”. This is the foundation in which we operate and is based upon our values of ambition, responsibility, integrity and efficiency. 

Ready to apply? 

If you recognize yourself in this profile and challenge, we kindly invite you to apply with CV written in English.