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| Engineering | Full-time | Fully remote
,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:
- 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.
Qualifications
- 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.
What brings extra points?
- Knowledge of Vue.js.
- Knowledge of global state management concepts.
If you do not fulfill all the criteria above, but you think you would be a great fit, we encourage you to apply either way!
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.
About Celtra
Celtra is redefining digital advertising by making it faster, smarter, and more effective. Our software solutions automate creative production, optimize performance with AI-driven insights, and simplify media activation. Marketers can personalize ads at scale, adapt them for any channel, and leverage real-time data to drive better results. Top brands like Spotify, Adidas, Unilever, Hearst, and Bloomberg trust Celtra to boost engagement, streamline workflows, and maximize ad impact.
Empowering Creativity through Diversity & Inclusion
Our mission is to empower creativity - and we cannot fulfill our mission without different perspectives. Diversity drives innovation, and Celtra is committed to diversity, equity, inclusion, and belonging.
Every employee is empowered at Celtra - no matter your race, age, religion, gender identity, sexual orientation, physical or mental ability, or ethnicity. We hire the best, and develop our teams through continuous education and mentorship, in a community where everyone can bring their whole selves to work.