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 Junior Engineer Specializing in Voice at Infobip, you will play an entry-level role within our Platform Operations, specifically focusing on VoIP (Voice over Internet Protocol) services. Your primary responsibility will be to ensure the reliability and quality of voice communications across various channels in modern omni-channel communication. You will collaborate within a global team, tackling different areas to maintain and improve our voice services, including:

• Handling technical issues and support requests related to voice calls and VoIP protocols (SIP, SDP, RTP).
• Ensuring high customer satisfaction by addressing customer concerns (Globally) and working closely with both internal and external stakeholders.
• Enhancing tools and systems for monitoring and troubleshooting VoIP services, ensuring seamless call experiences.
• Contributing to Infobip's leadership in VoIP and voice communication by staying ahead in innovation, quality, and security.
• Deep awareness of end-user needs and continuously striving to improve user experience for both customers and partners.
• Participating in continuous learning and attending development sessions to stay current with evolving voice technologies and best practices.
• Proficient in technical processes related to VoIP protocols, call detail records (CDRs), and working with SIP, and SBC infrastructure.

Skills and Qualifications

• Advanced English level (mandatory)
• Excellent communication skills
• Proactive approach and attention to detail
• Intermediate level of Excel

Experience (Desirable)

• Experience in the Telco industry (1 year) is a plus
• Familiarity with SIP, SDP, and RTP protocols
• Understanding of Asterisk and SBC (Session Border Controller) architecture
• Basic knowledge of Call Detail Records (CDR) and related VoIP infrastructure

Infobip is a global leader in omni-channel engagement, powering a broad range of messaging channels, tools, and solutions for advanced customer engagement, authentication, and security. We help our clients and partners overcome the complexity of consumer communications, grow their businesses, and enhance customer experiences – all in a fast, secure, and reliable way.

Quality engineering is the backbone of everything we do. To build great customer solutions on the edge of innovation, we hire, grow, and retain the best engineering talent across the world. Over the last 15 years, we’ve grown into an engineering powerhouse with 65+ offices on 6 continents and over 3,000 experts, aiming to change the way the world communicates. We see ourselves as humble engineers led by our philosophy of learning by doing and fueled by our passion for technology. All our solutions are fully developed in-house, and we are proud of the talents we have in our company!

If you are passionate about mobile technology, software development, or global business, apply now so we can find out how well we fit together.

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.