About the job

F24 is Europe’s leading provider of crisis management and emergency notification software, helping thousands of organisations around the world respond quickly and effectively during critical situations.

We’re expanding our Zagreb Engineering Centre of Excellence with a new Suite team, focused on bringing together capabilities from across F24’s existing product portfolio and helping shape the next generation of our platform.

We’re looking for a Software Engineer with a backend focus who has solid commercial development experience and is ready to take the next step in their career within a collaborative, product-led engineering environment.

Why F24?

You’ll join a small engineering team working on a modern platform that brings together capabilities from multiple existing F24 products.You’ll primarily work across Node.js and Python backend services, developing APIs and contributing to the ongoing modernisation of the Suite platform.This is a great opportunity for someone who already has a good foundation in backend engineering but wants to continue developing their technical skills, gain greater ownership and learn from experienced engineers around them.

You

Develop and maintain backend services using Node.js and Python
Build and maintain REST APIs that integrate capabilities across F24 products
Contribute to the design and implementation of new platform features
Write clean, maintainable and well-tested code
Participate in code reviews and technical discussions
Troubleshoot issues and contribute to improvements across existing services
Work closely with Frontend, Product, Design and QA throughout feature delivery
Contribute to automated testing and CI/CD processes
Develop your understanding of scalable, secure and maintainable backend architecture
Take increasing ownership of features from development through to production

What You'll Bring

Commercial software engineering experience with Node.js
Experience with NestJS, Express or Fastify
Experience designing, building or consuming REST APIs
Good understanding of JavaScript and/or TypeScript
Understanding of backend development principles and clean coding practices
Experience working with databases and data-driven applications
Familiarity with Git and modern development workflows
Understanding of automated testing
Good problem-solving and debugging skills
Comfortable collaborating within a cross-functional engineering team
An interest in developing your skills across architecture, cloud-native development and distributed systems

Tools & Technologies

Nice to have: Express.js, Fastify, Docker, Kubernetes, Microservices, Distributed Systems, Automated Testing (Unit, Integration & API), AI-assisted development and secure coding practices.

What you'll enjoy

Working with a modern backend technology stack
Joining a new engineering team at an exciting stage of its development
Learning from experienced engineers while taking increasing ownership
Exposure to architectural and technical decision-making
Working closely with Product, Design, QA and Frontend Engineering
Opportunities to develop across Node.js and Python
Clear opportunities to progress towards Senior Engineer as your technical ownership and experience grow