Junior Software Engineer

Junior Software Engineer (Node.js) 📍 Zagreb | Hybrid

F24 is Europe's leading crisis management SaaS platform, trusted by governments, airlines, banks, and Fortune 500s in over 100 countries. When a major incident unfolds, our software is the system people rely on. Our Zagreb Tech Centre is already up and running, and we're continuing to grow our engineering teams as we invest in the future of our platform.

Why F24?

You'll be working on technology that genuinely matters.

The Services team is responsible for a range of shared services used across every F24 product. These services support core capabilities such as event logging, billing, data storage, single sign-on, user management and asset services, helping power the products our customers rely on every day.

You'll work alongside experienced engineers, DevOps specialists and AI engineers, gaining exposure to modern backend technologies, cloud-native development, microservices and AI-powered solutions while continuing to develop your software engineering skills.

This is an opportunity to:

🌍 Build shared services used by 5,500+ organisations worldwide

📖 Learn how large-scale SaaS platforms are designed, built and maintained

⚡ Gain hands-on experience working with event-driven systems, APIs and microservices

🚀 Join a growing engineering hub with significant investment and long-term growth plans

🤝 Collaborate with experienced engineers, AI specialists, DevOps and Architecture teams across Europe

🔒 Help develop secure and scalable services that support the entire F24 product portfolio

💡 Grow your engineering skills through mentoring, code reviews and real-world project delivery

What You'll Bring:

✔️ Commercial experience with Node.js and JavaScript/TypeScript through employment, internships, university projects or personal development work

✔️ An understanding of software engineering fundamentals and RESTful APIs

✔️ A desire to learn modern backend technologies, distributed systems and cloud-native development

✔️ Interest in building scalable, reliable software solutions

✔️ Strong problem-solving skills and a willingness to ask questions and learn

✔️ A collaborative mindset and enthusiasm for working as part of a cross-functional team

Tech Stack:

Node.js | TypeScript | Nest/Next | RabbitMQ | Kafka | Redis | Docker | Kubernetes | WebSockets | OAuth2 | GitLab CI

About F24

F24 is Europe's leading provider of crisis management and emergency notification software.

Trusted by more than 5,500 organisations globally, we're helping businesses protect their people, operations, and reputation when it matters most.

If you're looking for a role where you can make a genuine impact while helping shape a growing engineering organisation, we'd love to hear from you.

Salary is paying up to €26,971 (Gross) annually.