AI Engineering Intern - Zagreb





Working at Infobip means being part of something truly global. With 75+ offices across six continents, we’re not just building technology — we’re shaping how more than 80% of the world connects and communicates.

As employees, we take pride in contributing to the world’s largest and only full-stack cloud communication platform. But it’s not just what we do, it’s how we do it: with curiosity, passion, and a whole lot of collaboration.

We operate with an AI-first mindset, embedding intelligent tools into our daily workflows to work smarter and more efficiently. Every role here benefits from and contributes to this approach.

If you're looking for meaningful work and challenges that grow you in a culture where people show up with purpose, this is your opportunity.

Let’s build what’s next, together.





Winter Internship 2027

Make a first step towards your career in AI engineering. Gain practical experience and learn from experienced mentors.
Being a part of Infobip Engineering department means working on an in-house developed product and delivering solutions on a global level. If you are a student of higher or final year of studies in the field of IT, join our AI engineering internship program that starts in February 2027 and get a chance to land your first job at Infobip!

What this role is all about:

As an AI Engineering Intern, you will join our Internship program and work on real, data‑driven problems that directly impact our products and users. You will gain hands‑on experience across the full AI engineering lifecycle, from data processing and model experimentation to building production‑ready AI services.
You’ll collaborate with experienced engineers and product teams, learning how modern AI systems are built, evaluated, and scaled in a business environment.
What you’ll do:

• Build and experiment with AI/ML solutions using Python, Jupyter, and libraries such as PyTorch, TensorFlow, scikit-learn, and Hugging Face Transformers to name a few.
• Develop production‑ready services in Python, building scalable and maintainable APIs with FastAPI.
• Work with large datasets and learn the end‑to‑end flow of data collection, manipulation, and usage.
• Design and build agentic workflows using LLMs, tools, and APIs (agents, tool use, orchestration frameworks, etc.)
• Integrate with leading AI providers (e.g. OpenAI, Anthropic, Google, open-source models) for text, image, and multimodal use cases.
• Apply best practices in context engineering, evaluation, and model iteration.
• Write clean, testable, and maintainable code with a focus on reliability and scalability.
• Use tools such as Git, Conda, Docker, Kubernetes, and Jenkins to put your code into action.
• Work in agile teams and learn agile development methodologies.

What makes you a strong fit:

• Final‑year student in a relevant field (e.g. Software Engineering, Computer Science, Mathematics, Data Science, etc.)
• Strong interest in both AI as a technology from a theoretical viewpoint and its real-world applications.
• Comfortable working with Python and eager to learn modern AI/ML and data engineering tools.
• Fluent in English, at a conversational level.
• Available to start with internship on February 8th, 2027
• You hold valid student rights from „Studentski Centar“ throughout the entire internship period (6 months).
• You can work a minimum of 30 hours per week.

Nice‑to‑have qualifications:

• Experience with advanced context engineering practices, RAG, and AI agents in general.
• Familiarity with vector databases.
• Exposure to cloud platforms.
• GitHub profile with projects to showcase.
• Participation in student projects, Kaggle competitions, hackathons, workshops, or similar activities.
• Previous internship experience.
• Availability to continue working full‑time after completing the internship.

What you’ll gain:

• Hands-on experience with state-of-the-art AI systems in production.
• Mentorship from experienced engineers and AI practitioners.
• Exposure to modern AI architecture (LLMs, agents, data pipelines, evaluation).
• Insight into how AI drives real business value.
• Opportunity to grow into a full-time role.

Internship timeline:

• Application deadline (mid of December)
• Imocha online testing (By the end of December)
• Interviews and selection process feedback (January)
• Start of internship program (February 8th)
• Orientation week in Zagreb Infobip campus (February 8th - 19th)  
• Working with the mentor and within a team (February - August)
• End of the Internship program (August)





Why you'll love it here:

• Orientation week with all interns and a personalized onboarding plan. 
• Mentor and team support. 
• You will get hands-on experience with the latest AI tools and take part in dedicated AI training sessions designed to help you build skills for the future of software engineering.
• Being a part of a growing company in a growing industry – we challenge you not to grow! 
• Work with people from all over the world. We put the “global” in globalization. 
• Possibility to stay on after the internship, depending on your performance and business needs.  

Why choose internship at Infobip?

• Paid internship program 
• Travel allowance as per city of work
• Free lunch 
• Free Snacks and Beverages 
• Social Events 
• Internal Trainings 
• Free access to Udemy platform 
• Internship welcome package 
• Referral Bonus 
• Equipment 
• On-Site Amenities 
  

If you haven’t already, visit our internship landing page for more details, which you can find at the link.

Although we currently have openings for various internship programs, you can only apply for a maximum of two positions!





Diversity drives connection

Infobip is built on diverse backgrounds, perspectives, and talents. We’re proud to be an equal-opportunity employer and are committed to fostering an inclusive workplace.

No matter your race, gender, age, background, or identity — if you have the passion and skills to thrive, there’s a place for you here.

All qualified applicants will receive consideration for employment without regard to race, color, ancestry, religion, age, sex, sexual orientation, gender, gender identity, national origin, citizenship, disability, veteran status or any other part of one's identity.

Read more about our hiring process.

Please be aware that Infobip processes job applications only through our official platform Workday. Applications submitted via other third-party platforms are not reviewed or processed by Infobip.

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