Mid Full-Stack Engineer - Java and AI
Infobip · Zagreb, Croatia · 18d ago
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
As a Software Engineer in the IBOS Base team, you will work on internal products and integrations that support Infobip’s Revenue organization and business operations. The team develops applications and AI-enabled solutions that help automate workflows, improve sales processes, and reduce manual operational work across the company.
You will contribute to products focused on data consolidation, workflow automation, and AI-assisted insights for Revenue teams. The work includes building integrations between multiple internal and external systems, developing backend services, and contributing to frontend and AI-related initiatives where needed. The team works in a fast-moving environment with a strong focus on practical problem solving, ownership, and continuous product development.
This role is suited for engineers who already have solid software engineering fundamentals and want to continue growing in distributed systems, integrations, and AI-supported product development.
What you'll do
Develop and maintain backend services and integrations using Java and Spring-based technologies
Build solutions that connect and synchronize data across multiple internal and external systems
Contribute to internal products and AI-enabled applications used by Revenue and Sales teams
Participate in the development of assistant-like tools and automation features that improve operational efficiency
Work across backend and frontend tasks when needed, including React and TypeScript-based applications
Write clean, testable, and maintainable code following software engineering best practices
Troubleshoot production issues, analyze system behavior, and contribute to improving system reliability
Collaborate closely with engineers, product stakeholders, and business teams in an agile environment
Participate in code reviews, technical discussions, sprint planning, and continuous improvement initiatives
What makes you a strong fit
2+ years of professional software engineering experience with solid production-level experience with Java
Understanding of object-oriented programming principles, clean code practices, and testing
Experience developing backend applications, APIs, or integrations
Understanding of SQL and relational databases such as PostgreSQL
Interest in distributed systems, integrations, and AI-supported applications
Comfortable working in environments with evolving requirements and technical complexity
Strong problem-solving mindset and willingness to take ownership of tasks and systems
Comfortable collaborating with both technical and business stakeholders
Fluent in English, both spoken and written
Nice-to-have qualifications
Experience with Spring or Spring Boot
Experience with React and TypeScript
Familiarity with Python or AI-related development initiatives
Understanding of distributed systems and system integrations
Experience working with APIs, synchronization services, or data pipelines
Familiarity with Git, CI/CD workflows, and agile development practices
Experience working with PostgreSQL or similar relational databases
Interest in AI-assisted workflows, automation, and internal product development
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.
• Flexible work arrangements - We combine in-person collaboration with remote work and flexible working hours, because great ideas happen everywhere - and not always between 9 and 5.
• ESOP (Employee Stock Ownership Plan) - As an Infobip employee, you’ll have the opportunity to share in our company’s success through stock options.
• Work-life balance and Well-being - We offer time off when you need it, special leave days for life’s big moments, and a flexible hybrid work model tailored to local regulations.
• 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.
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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