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.
Why we are hiring?
In our Sarajevo engineering hub, we are developing Infobip’s global Voice product. Running on our proprietary infrastructure distributed across 40+ Data Centers worldwide, our platform serves as the communication layer for large global brands like Uber and LG, enabling them to deliver real-time communication at a massive scale.
As voice technology evolves with the introduction of AI agents and smart automation, our product roadmap is growing significantly. To support these new capabilities and handle increasing global traffic, we are expanding our engineering footprint. We aren't just filling a single vacancy; we are forming a new team of Software Engineers to build the highly available, scalable architecture and microservices that make these modern innovations possible.
You can explore our Voice API Documentation to see exactly what you’ll be working on. If you are looking to work on complex distributed systems and build solutions that are used worldwide, this is a great opportunity to join us.
What is this role all about?
As a Mid or Senior Software Engineer at Infobip, you will be part of our Engineering Powerhouse, working on an in-house developed product that operates at a global scale. You will contribute to a large, scalable microservices architecture that delivers over 500 million messages daily and supports our clients’ business growth.
This role is focused on our Voice platform, enabling instant, real-time audio communication for customers around the world.
What you’ll do:
Develop, maintain, monitor, and troubleshoot team-owned services on Infobip’s platform
Take full ownership of the code you produce, from development to production
Write well-designed, testable, and scalable code following clean code principles
Have a general overview and understanding of the interactions and dependencies in the entire system
Work primarily on backend development while growing toward full-stack development
Work on and expand your knowledge in the realm of backend and frontend development, databases, system design, alerting and monitoring tools
Collaborate closely with Product Management on feature development and delivery
Apply an AI-first mindset, including exploring and integrating AI or LLM-based capabilities into product features where relevant.
What makes you a strong fit:
Strong knowledge and understanding of object-oriented programming principles
Solid understanding of data structures and algorithms
Willingness to learn and grow with us
Experience working with concurrent and multi-tier applications
Appreciation for code reviews and experience with code testing practices
Good understanding of RESTful services
You are comfortable using modern development approaches, including AI-assisted coding tools and agents.
Nice-to-have qualifications
Experience with Java, Spring, and Spring Boot development
Familiarity with CI/CD tools such as Jenkins, Git, Maven, Canary, or similar
Understanding of databases and data management tools such as MSSQL, PostgreSQL, Redis, RabbitMQ, Kafka, or similar
Ability to design and implement caching strategies that improve application performance and scalability
Experience with technologies such…