AI Software Engineer

Posted:
2/24/2026, 6:00:05 PM

Location(s):
City of Zagreb, Croatia

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
AI & Machine Learning ⋅ Software Engineering

Workplace Type:
Hybrid

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.

What this role is all about 

Being a part of Infobip Engineering Powerhouse means working on an in-house developed product and delivering solutions on a global level. As a Software Engineer, you will be dedicated to your microservices and deal with the challenges of large architecture that is scalable, balanced, sends over 500 million messages daily and helps our clients to grow their business.
 

At Infobip, our AI engineers work on developing our own AI models and solutions, as well as deploying and maintaining services that support existing AI models. As an AI Software Engineer, you will have the unique opportunity to contribute to cutting-edge projects, combining research-oriented tasks with practical implementations.


What you’ll do:

  • Develop, maintain, monitor, and troubleshoot your team services on Infobip’s platform.
  • Have full ownership of the code you produce.
  • Write well designed, testable, and scalable code by clean code principles.
  • Have a general overview and understanding of the interactions and dependencies in the entire system.
  • Grow towards full stack development and for us, this means working primarily on backend development but also expanding your knowledge on frontend development, system design and alerting and monitoring tools.
  • Work within the agile framework (Scrum, LeSS) in close collaboration with Product Management.
  • Participate with your team in agile practices such as sprint planning and retrospectives.
  • Expand and improve your knowledge and be a part of the engineering community.

What makes you a strong fit:

  • Experience with Python development and data pre/post processing.
  • Experienced professional looking for a high growth challenge.
  • Good knowledge and understanding of object-oriented principles.
  • Good knowledge and understanding of data structures and algorithms.
  • Experience working with concurrent and multi-tier applications.
  • Recognizing the value of code-review and experience with code testing.
  • Good understanding of RESTful services.

Nice-to-have qualifications:

  • Familiar with CI/CD tools such as Jenkins, Git Canary or similar.
  • Understanding of databases and data management tools like MSSQL, PostgreSQL, Redis, RabbitMQ and especially Vector DB's like ChromaDB or Azure AI Search.
  • Experience with Python AI Libraries like Langchain, LangGraph, Semantic Kernel, Agents SDK.
  • Experience with Java.
  • Worked with collaboration tools such as Jira, Confluence, and Slack.
  • Ready to adopt, implement or propose new technologies (this is especially important, our area moves in the speed of light).
  • Experience in technologies such as Docker, Kubernetes, and LLM/RAG integration.

Why you'll love it here:

  • Financial rewards & recognition - A fair compensation aligned with your experience, industry, and market standards, performance-driven bonuses, regular reviews to support your growth and recognize your contributions, and a culture that values your impact.  
  • Exceptional Achievement Premium: Additional bonus for exceptional performance and going beyond your duties. 
  • Additional days off. 
  • Lunch covered by the company. 
  • Partially covered Multisport Card or PassSport Card. 
  • Newborn baby premium: Employees who welcome a newborn baby into their families are eligible to receive a tax-free payment.  
  • Holiday benefits: Christmas bonus with an extra gift for each child. 
  • Attractive credit terms: Available at predefined financial institutions. 
  • Flexible work arrangements - combine in-person collaboration with remote work and flexible working hours - start between 7 AM and 10 AM (excluding shift-based teams) 
  • General medical examination once every two years. 
  • ESOP (Employee Stock Ownership Plan) - As an Infobip employee, you’ll have the opportunity to share in our company’s success through stock options. 
  • Career mobility - Your career is a journey. With internal mobility, upskilling, and mentorship, we help you shape your path.  
  • Professional development - Learning never stops. Onboarding, mentorship, and training programs help you grow - no matter where you start.  
  • International mobility - Ready to take your career global? Explore short and long-term opportunities in our Hubs worldwide.  


While some benefits may vary by location, our goal remains the same: to support your growth, well-being, and success - wherever you are.

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.

#LI-IR1

Infobip

Website: https://infobip.com/

Headquarter Location: London, England, United Kingdom

Employee Count: 1001-5000

Year Founded: 2006

IPO Status: Private

Last Funding Type: Debt Financing

Industries: Enterprise Software ⋅ Internet of Things ⋅ Messaging ⋅ Mobile Apps ⋅ SaaS ⋅ Telecommunications