Student Developer - OOP (Java)

Join our team of students from FRI, FE, FMF and other faculties!
At Cosylab, we are happy to receive students’ applications and are delighted to see your interest in gaining student experience with us.

• Do you want to upgrade your programming skills?
• Are you interested in working on different groundbreaking projects in an international environment?
• Do you have at least 15 hours per week that you can spend with us, so we can help you turn your theoretical knowledge into practice?

If you answered yes to at least one question, then keep on reading!

Who are we looking for?

If you wish to work on projects and/or solutions that contribute to scientific achievements, cancer treatment and the development of clean fusion energy Cosylab is the right place for you 😊.

We are looking for

curious, knowledge-seeking, and motivated students, familiar with object-oriented programming languages (Java)

who will help with

software development,
and integration of control systems.

We value enthusiasm and technical knowledge gained during or outside of studies.

What do we offer?

From student work to your first job and career path tailored to individual wishes: developer, tech lead, project management, or team management role.

Mentoring and direct knowledge transfer.
A series of Cosylab academies (C++, C#, Java, EPICS, LabView, …).
A work environment with flexible working hours and the possibility of remote work.
Opportunity to work abroad.
High-impact learning culture: regular in-house and external training sessions and a team of international professionals eager to help you grow.
Work-life balance culture.
Many recreational after-work activities, Monday’s pancakes, unlimited coffee, soft drinks, fruit, team building, picnics and other well-being goodies.
Casual atmosphere with friendly faces where you can completely “be yourself”.

Steps to becoming a student Cosylaber

Step 1: Application
Step 2: Evaluation
Step 3: Interview
Step 4: Academy
Step 5: You are a student Cosylaber

Due to the nature of our work and the complexity of our projects, we are looking for students who will enjoy our culture and working with us because we build long-term relationships with our Cosylabers.

Did we pique your interest? Want to be a part of our team? Apply now!

We can’t wait to read your CV, your reasons to join our team and what makes you who you are!

Send your application below and be one step closer to becoming a true Cosylaber! Your application should include:

CV,
Motivational letter (do you have a personal or school project you are proud of?)
Code example from your personal or school projects (if any).

Cosylab culture

Our values

We offer the best solutions for ambitious businesses.

Think bold

We deliver exceptional solutions through courageous thinking, open communication and the drive to continuously improve.

Be modest

We set our egos aside in actively listening, respecting one another, and embracing the diversity of experience and perspective across the company.

Work smart

We know we get more accomplished by working together, being accountable, focusing our efforts and going the extra mile.

Enjoy life

We prioritize balance and positivity, nurturing personal wellness and celebrating successes.

Do good

We support one another and are passionate about solving the difficult problems that ultimately help make the world a better place.

Discover our work environment

Apply for a Student position by Tuesday, September 30, 2025

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

First name *

Last name *

Phone *

Valid e-mail address *

Where did you hear about us? *

Please select

Cosylab web page
Facebook
Instagram
LinkedIn
Twitter
MojeDelo.com
Optius
Search engine
From a friend or family member
Newspaper article mentioning Cosylab
At the event Cosylab participated at
At the faculty
Other

Message *

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Max files: 5, Max size: 50 MB, allowed types: .pdf, .doc, .docx, .txt, .xlsx, .csv, .zip, .7z, .rar

Consent for Personal Data Processing

I hereby give my consent to Cosylab d.d., and if the application pertains to a job position at Cosylab d.d.'s subsidiary, to said subsidiary (both together referred to herein as 'Cosylab'), for processing my personal data for the purpose of selection and employment (please select YES or NO).

Check all the boxes below

Yes

Obtaining personal data relevant for the candidate selection (e.g. data on professional competencies) from candidate's previous employers stated in the documentation provided by the candidate (current employer excluded):

Yes

The results of your evaluations or tests designed to measure a candidate's level of skill, knowledge, or expertise in a particular area, if any:

Yes

Processing of personal data for the purpose of statistical analysis of received applications (education, age etc.) for 24 months:

Yes

Entry of my application and submitted documentation into Cosylab’s candidate database (“talent pool”) for future job openings and contact purposes:

Yes

By submitting this form, I acknowledge that I am aware of the personal data collected and processed about me by Cosylab. I confirm that I have reviewed the Recruitment Privacy Policy of Cosylab, which is available on the Cosylab d.d. website, and understand my right to withdraw my consent, in whole or in part, at any time by submitting a written request to dpo@cosylab.com. By applying to this position and submitting my application, including my resume, cover letter, motivational letter, recommendation letters, and any other documentation demonstrating my qualifications (such as proof of education and professional experience), I hereby consent to the processing of my personal data by Cosylab for the purpose of evaluating my suitability for the relevant position.

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Thank you

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

Open positions

We’re looking for individuals with diverse knowledge and experience searching for a new opportunity to challenge themselves in a demanding and rewarding career.

Software Engineer – Integrator

Ljubljana, Slovenia

Control Software Developer

Ljubljana, Slovenia

C# Frontend Developer

Ljubljana, Slovenia

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