Mid Backend Engineer

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.

As a Software Engineer within our Platform Base, you will build and evolve the systems that handle the sending of all message types, including SMS/MMS, WhatsApp, WeChat, and KakaoTalk, as well as the traffic that returns back into our platform. The role combines backend software engineering and distributed systems work in an environment where performance, reliability, and continuous improvement are central to daily work.

• →Design, develop, maintain, monitor, and troubleshoot backend services that support core platform and messaging capabilities
• →Build systems that track and process traffic and operational metrics across the Infobip platform
• →Develop scalable and reliable distributed services with a focus on high throughput and low latency
• →Contribute to internal tooling used for platform monitoring, alerting, and service configuration management
• →Work with data-intensive systems and relational databases to aggregate and expose operational insights
• →Take end-to-end ownership of the solutions you build, including deployment, monitoring, and production support
• →Collaborate with engineers, product teams, and platform stakeholders to deliver reliable technical solutions
• →Apply an AI-first mindset when approaching engineering problems and leverage AI to improve code quality, testing processes, and technical documentation

• At least 3+ years of professional experience in backend or full-stack software engineering roles
• Strong software engineering fundamentals, including object-oriented programming and concurrent or parallel systems
• Experience building and maintaining distributed backend systems in production environments
• Experience working with relational databases and data-intensive applications
• Understanding of scalability, reliability, observability, and performance optimization in backend systems
• Comfortable working in agile development environments with iterative delivery and team collaboration
• Openness to working in a Java and Kotlin focused environment and learning new technologies when needed
• Proactive and ownership-driven approach to problem solving and operational responsibility
• Fluent in English, both spoken and written

• Experience with multithreading in Java or Kotlin, particularly in systems that run in parallel across multiple data centers and communicate with one another
• Familiarity with RabbitMQ, Redis, Kafka, MSSQL, Postgres
• Experience with monitoring, observability, or alerting systems

Read more about our hiring process.