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.

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 Backend Software Engineer, you’ll join one of several engineering teams at Infobip, each solving unique challenges and contributing to our global platform. While the exact team will be determined during the interview process, here’s a glimpse into some of the areas you might work in:

CPaaS Messaging Infrastructure: Work on the core systems that power Infobip’s messaging platform—handling billions of interactions across global data centers. You’ll build scalable microservices and contribute to both backend and frontend components.

RCS (Rich Communication Services):  Help scale one of Infobip’s fastest-growing OTT channels, processing hundreds of millions of messages daily. You’ll optimize distributed systems, improve connectivity and security, and support global RCS adoption.

Platform SMS Team: Develop and optimize the backbone of Infobip’s messaging infrastructure, ensuring high performance and reliability across all channels. You’ll tackle system-level challenges like fault tolerance, observability, and scalability at massive scale.

Telco (Messaging Firewall): Build AI-powered fraud protection systems for Mobile Network Operators, analyzing millions of messages in real time. You’ll work with machine learning, NLP, and analytics to detect and block spam, phishing, and other fraudulent traffic across high-throughput systems.

What you’ll do

• Develop and maintain backend services using Java and Spring Boot

• Build scalable, distributed systems operating across global data centers

• Participate in agile ceremonies including standups, planning, and retrospectives

• Collaborate with cross-functional teams to define technical direction and sprint goals

• Engage in system design, testing, and continuous improvement initiatives

• (depending on team) Contribute to frontend development using TypeScript and React

What makes you a strong fit

• At least 3+ years of software development experience, ideally in backend or full-stack focused roles

• Proficiency in Java (we use Java 21+) and familiarity with Spring and Spring Boot development

• Good knowledge and understanding of object-oriented principles, data structures and algorithms

• Experience working with concurrent and multi-tier applications

• Recognizing the value of code reviews and experience with unit and integration testing

• Good understanding of RESTful services

• Fluency in English, both written and spoken

Nice-to-have qualifications

• Familiar with CI/CD tools such as Jenkins, Git, Maven, Canary or similar

• Understanding of databases and data management tools like Postgres, MSSQL, Redis, Kafka

• Worked with collaboration tools such as Jira, Confluence, and Slack

• Ready to adopt, implement or propose new technologies

• Experience in technologies such as React (TypeScript), Docker, Prometheus, Grafana, or others

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.