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Trainees 2025

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Reaktor&rsquo;s award-winning tech community is looking for Summer Developers to join us in Helsinki, Turku, and Tampere!
If you are studying or in the early stages of your software development career and have a curious, proactive approach to problem-solving and learning, you might be just who we&rsquo;re looking for.
As a Summer Developer at Reaktor, you'll be working on real projects with our clients, giving you the chance to put your knowledge into practice and gain hands-on experience in real-world development.&nbsp;
You won&rsquo;t just be shadowing &ndash; you&rsquo;ll be an integral part of the team, learning from experienced developers and contributing to meaningful work.
The application period has now closed. If you're interested in joining us, check out our open positions <a href="https://www.reaktor.com/careers">here</a>.

We're looking for someone like you

Hear it from Reaktorians who started as trainees

Being a consultant

Our interview process

Attitude interview – Explained

The STAR method  – Explained

Preparing for a video interview

How to ace your application

We opened to applications on February 4th, and you can send in your application by midnight of February 16th 2025.

What's the application period?

You won’t just be shadowing others; you’ll be an integral part of a team, learning from more experienced developers, designers, and other experts and contributing to meaningful work.

You'll work on one of our client projects as an equal member of the Reaktor team. We're still not expecting you to know everything; we all have things to learn. 

As a developer in a Reaktor team, you'll work on development tasks with your teammates designing, coding, testing, and reviewing code. You'll usually work on one client project at a time, and your tasks will most likely vary depending on the project you’re working on.

What kind of projects do trainees typically work on? Are they real client projects or internal initiatives?

This varies a lot based on the project at hand and your personal skill stack, so it’s impossible to give a general answer. Still, we’ll definitely talk about potential projects, technologies, and tools during the interviews! 

That being said, most of our client projects have aspects involving the web. This means that web stack (frontend, backend, communication protocols, relational databases, etc.) is very likely something you’ll have your hands on.


What technologies and tools will I be working with?

Reaktorians, both newer and those more tenured, usually share a particular curiosity, a hunger to learn, and a willingness to grow as professionals. This is something we look for in future colleagues at the beginning of their careers, too.

In addition to some technical experience and knowledge, thriving trainees usually have some previous experience in teamwork and using Git, and an idea of good development practices.

What skills or qualities do successful trainees at Reaktor usually have?

We're following the starter salary recommendations for students and junior professionals. This means that based on the progress of your studies and other relevant experience, the salary range is 2400-3500 euros per month. 

In addition, all trainees receive Lunch and Sports & Culture benefits on top of the salary, statutory occupational health care services, and an insurance package.

What’s the pay for trainees at Reaktor? What benefits do trainees get?

We take the time to learn about your skills and aspirations and help you learn about ours. The interview process involves four or five conversations over a few weeks. Your recruiter will keep you up to date on what to expect from each stage of our interviewing process. Read more about the process in the materials on this page!

What does the hiring process look like?

You’re right, and that is because this year, we do not have one. Unlike previous years when we’ve had a task for all trainee applicants, the hiring process this year is more like our regular interview process. Read more about that on this page!

Help! I can’t seem to find the pre-assignment!

Most of our projects run in either Finnish or English. Finnish is an advantage but not a strict requirement.

Do I need to speak Finnish?

In 2025, we’re looking for trainees to join us in our Helsinki, Turku, and Tampere offices.

Which offices are you hiring in?

This year, we’re only looking for Summer developers. We receive a lot of applications for business, marketing, and other roles, but unfortunately, we’re almost always unable to offer more junior positions in these areas. However, you can always send us an open application if you’re looking for something other than a summer job. 

Are there any openings for designers or other experts?

We’d love for you to start in May-June 2025 and be able to work with us until August-September. We’ll discuss and agree on exact dates with you personally.

When do you expect me to start?

Reaktor’s award-winning tech community is looking for Summer Developers to join us in Helsinki, Turku, and Tampere!