Mid Full-Stack 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
Develop and maintain backend services, SDKs, public APIs, and CPaaS integrations using React/TypeScript and Java/Spring Boot. Connect platforms such as Salesforce, Oracle, and Microsoft to messaging channels, contribute to API governance and reviews, maintain multilingual SDKs, and collaborate with engineering and DevOps teams in an agile Scrum environment. The role also involves frontend and backend development, production support, testing, documentation, and effective use of AI tooling.
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 Full-Stack Engineer at Infobip, you'll join one of two teams within our Platform base, API Governance or CPaaS Integrations, both working at the core of how Infobip's public APIs and integrations are built, governed, and scaled. The API Governance team maintains five SDKs across multiple languages and partners closely with other teams through consultations and reviews to keep our API standards consistent. The CPaaS Integrations team is newly formed and is taking over integration work, such as connecting platforms like Salesforce, Oracle, and Microsoft to Infobip's messaging channels (Viber, WhatsApp, and more). You'll work primarily with React/TypeScript and Java/Spring Boot, in an agile environment.


What you'll do

  • Design, develop, and maintain backend services and SDKs supporting public APIs and CPaaS integrations
  • Build and maintain integrations connecting external platforms (such as Salesforce, Oracle, and Microsoft) with Infobip's messaging capabilities
  • Participate in API governance activities, including consultations and reviews with other teams to align on API quality and consistency
  • Contribute to and maintain SDKs across multiple languages, including C#, Java, Python, Go, and PHP
  • Collaborate with engineers and DevOps colleagues in an agile, Scrum-based environment
  • Work across both frontend (React/TypeScript) and backend (Java/Spring Boot) components as needed
  • Effectively leverage AI tooling to support development, testing, and documentation work

What makes you a strong fit

  • At least 3 years of experience in software engineering
  • Solid understanding of REST APIs and HTTP protocols
  • Comfortable working in a technology-agnostic setup, open to working across multiple programming languages and SDKs
  • Experience working in agile environments
  • Professional and proactive attitude, comfortable taking ownership of governance, consultation, and integration work
  • Fluent in English, both written and spoken

Nice-to-have qualifications

  • Experience with Java and/or React/TypeScript
  • Exposure to cloud-based systems or services
  • Experience working with SDKs in C#, Python, Go, or PHP
  • Familiarity with CI/CD tools such as Jenkins, Git, or Maven
  • Experience with Docker
  • Understanding of databases and data management tools such as MSSQL or PostgreSQL
  • Experience troubleshooting and supporting production distributed systems
  • Experience working with Jira, Confluence, or similar collaboration tools
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 experience in software engineering
  • Solid understanding of REST APIs and HTTP protocols
  • Comfort working across multiple programming languages and SDKs
  • Experience working in agile environments
  • Professional and proactive attitude with ownership of governance, consultation, and integration work
  • Fluent English, written and spoken
  • Experience with Java and/or React/TypeScript
  • Exposure to cloud-based systems or services
  • Experience with SDKs in C#, Python, Go, or PHP
  • Familiarity with CI/CD tools such as Jenkins, Git, or Maven
  • Experience with Docker
  • Understanding of databases and data management tools such as MSSQL or PostgreSQL
  • Experience troubleshooting and supporting production distributed systems
  • Experience with Jira, Confluence, or similar collaboration tools

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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