Software Engineer (Java) at Infobip in Zagreb, Zagreb, Croatia

Software Engineer (Java) Location: Zagreb (Croatia) 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 at Infobip, you will work on the core internal mechanisms that power the company’s backbone infrastructure. You will be part of a team building and maintaining systems closely linked to revenue-generating initiatives such as pricing, packaging, sales enablement, and monetization across products. The role focuses on internal tools and full-stack applications that support daily operations, with increasing use of AI-enabled solutions to drive efficiency and innovation. You will join a collaborative, agile, and experienced team that values code quality, effective delivery, continuous improvement, and knowledge sharing. What you’ll do Design, develop, and maintain scalable, high-quality Java-based systems using clean architecture and engineering best practices Take ownership of end-to-end feature delivery, from design and implementation to testing and deployment Contribute to and drive technical decision-making, including system design, architecture, and technology choices Build and evolve internal tools and full-stack applications, including AI-enabled solutions that improve internal workflows Leverage AI tools to improve development efficiency, automate repetitive tasks, and accelerate delivery Explore and implement AI-driven features, identifying opportunities to apply AI in internal systems and processes Lead or actively participate in code reviews, mentor junior team members, and promote engineering excellence Troubleshoot complex issues, ensure system reliability, and provide production support when needed Collaborate cross-functionally with product, design, and engineering teams to deliver impactful solutions Actively contribute to continuous improvement of systems, processes, and team practices What makes you a strong fit 3–5+ years of experience in software engineering Strong expertise in Java and the Spring ecosystem (Spring Boot, Spring MVC, etc.) Solid experience with system design, scalability, and performance optimization Experience working with multi-tier and distributed systems, Java preferred Strong knowledge of relational databases and SQL, including data modeling and query optimization Deep understanding of JPA, Hibernate, and Java best practices Experience designing and maintaining automated tests (unit, integration, and possibly end-to-end) Proven experience working in Agile environments (Scrum or Kanban) Experience using AI tools such as code assistants or automation tools to enhance productivity Familiarity with LLMs, prompt engineering, or AI-assisted development practices Ability to take ownership and deliver independently with minimal supervision Strong analytical thinking and problem-solving skills, especially in complex systems Effective communication skills and ability to collaborate in cross-functional teams Fluency in English, both written and spoken Nice-to-have qualifications Experience with TypeScript and modern frontend frameworks such as React Familiarity with containerization technologies like Docker Experience in full-stack development and building end-to-end solutions Exposure to cloud platforms or microservices architectures Hands-on experience building or integrating AI-powered features, tools, or workflows 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. #LI-MB2 Additional Locations: Rijeka (Croatia)