Mid Backend Engineer

Posted Yesterday
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Zagreb, HRV
In-Office
Mid level
Mobile • Software
We help create meaningful, timely and effortless interactions between companies and their customers.
The Role
Build, maintain, and operate backend services for a global cloud communication platform. Design scalable, low-latency distributed systems, process high volumes of traffic and metrics, contribute to monitoring/alerting tools, own deployments and production support, collaborate across teams, and apply AI-assisted practices to improve engineering outcomes.
Summary Generated by Built In

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 our Platform Base team at Infobip, you will build and evolve the systems that keep our communication platform observable, scalable, and reliable at global scale. Depending on the team you join, you could work on services that monitor traffic across the entire Infobip platform, enable alerting and service configuration for internal teams, or support high-performance SMS and messaging flows with strict latency and reliability requirements. You will be part of a cross-functional engineering team responsible for backend services that process large volumes of traffic and operational metrics in real time. The role combines software engineering, distributed systems, and operational ownership in an environment where performance, reliability, and continuous improvement are central to daily work.

What you’ll do

  • 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

  • Contribute to engineering discussions, knowledge sharing, and continuous improvement within the team

  • Apply an AI-first mindset when approaching engineering problems

  • Effectively leverage AI to improve code quality, testing processes, and technical documentation

What makes you a strong fit

  • 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-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

Nice-to-have qualifications

  • Production experience with Java or another backend programming language

  • Experience with monitoring, observability, or alerting systems

  • Familiarity with messaging, streaming, caching, or event-driven architectures

  • Experience working with high-throughput or low-latency systems

  • Exposure to infrastructure, platform engineering, or internal tooling development

  • Interest in working across evolving domains, products, and engineering challenges

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. #LI-TF1

Skills Required

  • 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 a Java-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
  • Production experience with Java or another backend programming language
  • Experience with monitoring, observability, or alerting systems
  • Familiarity with messaging, streaming, caching, or event-driven architectures
  • Experience working with high-throughput or low-latency systems
  • Exposure to infrastructure, platform engineering, or internal tooling development

Infobip Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Infobip and has not been reviewed or approved by Infobip.

  • Fair & Transparent Compensation Pay is positioned as aligned to experience and industry standards, supported by regular compensation reviews and a stated equal-pay approach. Clear salary ranges are presented for certain roles, improving comparability for candidates.
  • Equity Value & Accessibility Equity participation is positioned as broadly available through an employee share ownership plan with eligibility from day one. Company-wide enrollment signals that ownership is intended to be a standard component of total rewards rather than a niche perk.
  • Leave & Time Off Breadth Time off is portrayed as relatively robust, including sizable vacation, sick time, holidays, and additional leave tied to life events. Extra paid time such as volunteering and recognition days adds breadth beyond baseline PTO.

Infobip Insights

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The Company
HQ: London
3,100 Employees
Year Founded: 2006

What We Do

HIRING NOW! Infobip helps businesses build connected experiences across all stages of the customer journey. Accessed through a single platform, Infobip’s omnichannel engagement, identity, user authentication and contact center solutions help businesses and partners overcome the complexity of consumer communications to grow business and increase loyalty. We work with large organizations, including seven of the world’s 10 biggest brands, across sales and marketing, operations, human resources, IT and security, and customer service. Our mobile engagement solutions help optimize operational functions, enhance internal and external communications, improve customer experiences, reduce support costs, generate new revenue, and gain a competitive advantage. Whether two-factor authentication for high-tech retailers, emergency alerts for global giants, or mobile-giving solutions for large charities, Infobip offers the scale, service flexibility, reliability, and heritage to provide interactive solutions for today and in the future. Companies choose Infobip for our domain expertise, service flexibility, demonstrated performance and reliability, global scale, and corporate maturity.

Why Work With Us

We work with some of the biggest enterprises in the world to make their customers’ lives better. But we’re small enough that every person counts. We’ve got a passion for our technology to rival any start-up. Our people are the best and most professional in the world. But we’re a suits-and-bureaucracy free zone.

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