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Please note that a valid student status in Slovenia is required for this position.
Celtra is looking for a Software Developer Intern who will have an opportunity to work on our products, used by top companies and thousands of people on a daily basis. You will be joining one of our cross-functional teams and, with the support of our mentors, you will get your hands dirty by working on some interesting projects.
Your Responsibilities
What we offer?
Celtra helps enterprise advertisers, media, and agencies design, approve, and deliver digital creative across the ever-growing number of campaigns and markets. Celtra’s Creative Automation & Enablement Software helps brands move faster than ever while dramatically scaling content production. Companies like Adidas, TripAdvisor, Spotify, Nike, Unilever, NBCU, Lululemon, YETI, and hundreds more partner with Celtra to cut production costs while increasing efficiencies and output.
Celtra is looking for a Software Developer Intern who will have an opportunity to work on our products, used by top companies and thousands of people on a daily basis. You will be joining one of our cross-functional teams and, with the support of our mentors, you will get your hands dirty by working on some interesting projects.
Your Responsibilities
- Developing a back-end and front-end of our products that are used by top companies and thousands of people on a daily basis.
- On the back-end you will mainly work on our APIs (REST, web sockets) and family of background jobs.
- On the front-end you will be implementing rich experiences in our apps, participating in revamping the client-side architecture and general redesign of the product frontend.
- Making sure we maintain a high level of quality by writing automated tests.
- Understanding of RESTful API architecture.
- Knowledge of HTML5 and CSS.
- Knowledge of JavaScript.
- Knowledge of at least 1 backend programming language (Python, PHP, Ruby, Java, Go, Scala …).
- Good verbal and written English communication skills.
- Willingness to constantly learn and improve.
- Team player.
- Active student status in Slovenia.
- Knowledge of Vue.js.
- Knowledge of global state management concepts.
What we offer?
- Competitive salary.
- Buddy and mentor that will help you grow professionally, plus a well structured development plan.
- Unlimited remote working. You can choose to work from home indefinitely or join us in our Ljubljana office whenever you feel like it.
- Flexible hours and work-life balance. We focus on results rather than schedules.
- Top-notch working equipment.
- We have fun. We organise regular team & company events.
- Free breakfasts & beverages available in the office.
Celtra helps enterprise advertisers, media, and agencies design, approve, and deliver digital creative across the ever-growing number of campaigns and markets. Celtra’s Creative Automation & Enablement Software helps brands move faster than ever while dramatically scaling content production. Companies like Adidas, TripAdvisor, Spotify, Nike, Unilever, NBCU, Lululemon, YETI, and hundreds more partner with Celtra to cut production costs while increasing efficiencies and output.
Key Skills
Ranked by relevance
python
scala
html5
java
ruby
php
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- Posted
- Mar 05, 2025
- Type
- Internship
- Level
- Internship
- Location
- Ljubljana
- Company
- Celtra
Industries
Software Development
Categories
Engineering
Information Technology
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3 roles aligned with this opportunity
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2026-05-28
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