Senior Backend Engineer - Suite

Zagreb / HR

Full-time

Permanent employee

40,000 - 43,420 € per year

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 during critical situations.
We're expanding our growing Zagreb Engineering Centre of Excellence with a brand-new Suite team. This team will play a key role in modernising our product portfolio by building a new unified frontend while integrating backend capabilities across multiple existing applications.
This is a unique opportunity to join at the beginning of a new team, helping shape both the technical direction and engineering culture from day one.

Why F24?

You'll join a small, highly autonomous engineering team where senior engineers are trusted to make architectural decisions, influence technical direction, and take ownership from design through to delivery.
Initially you'll help expose and consolidate APIs across multiple products while supporting a brand-new React frontend. As the platform evolves, you'll play an important role in building the next generation of our Suite products using modern cloud-native technologies.
Working alongside Product, Design and QA from the outset, you'll be part of cross-functional teams focused on delivering high-quality software rather than following rigid processes.

What you'll be doing:

Design, build and maintain backend services using Node.js and Python
Develop and expose APIs that integrate multiple existing F24 products
Contribute to architectural decisions and technical direction
Collaborate closely with Frontend, Product, Design and QA teams
Take ownership of features from design through to production
Ensure solutions are scalable, secure and maintainable
Support modern engineering practices including code reviews and automated testing
Contribute to the evolution of a brand-new engineering team

You'll likely have experience with:

Strong commercial experience with Node.js
Experience with NestJS (or similar frameworks such as Express or Fastify)
Python development, ideally using FastAPI
REST APIs and distributed systems
Modern software architecture and cloud-native development
CI/CD and automated testing
Working within agile product teams
Taking ownership of technical decisions and delivery

Experience with React or frontend technologies is beneficial but not essential—this role has a strong backend focus.

What you'll enjoy

Joining a brand-new engineering team from the ground up
High levels of autonomy with minimal micromanagement
Real influence over architecture and technical decisions
Cross-functional collaboration with Product, Design and QA
Clear progression into either Technical Leadership or People Management
Modern technology stack and ambitious product roadmap
Friendly engineering culture focused on collaboration, learning and innovation.

About us

What we do:

F24 is Europe’s leading Software-as-a-Service (SaaS) provider for resilience. More than 5,500 customers worldwide rely on F24’s digital solutions, which support companies and organisations through all areas of resilience. Solutions cover business messaging and service notification, emergency and mass notification, incident and crisis management, as well as governance, risk and compliance.

F24 supports customers in virtually every sector ranging from energy, healthcare, industry, finance, IT, tourism and aviation to a wide variety of public organisations. Many years of international experience have made F24 experts in improving resilience with digital solutions.

The company was founded in 2000 in Munich, where F24 AG’s head office is still located. Today, F24 supports companies and organisations in more than one hundred countries, via more than 20 locations in Europe and beyond. The F24 AG Board of Directors consists of F24 co-founder Christian Götz and the spokesperson Dr. Jörg Rahmer.

Find out more about working at F24 here.

Good reasons to work at F24:

Have a tangible impact! Work in an agile environment where you make an important contribution to the success of our customers and the future of our company.
Become part of our established company with an inspiring culture, flat hierarchies and our open, honest, innovative and supportive team!
Grow with us: We are a company on the road to success, experiencing steady international growth. You have the opportunity to help shape our development.
Take advantage of our flexible working model: We rely on a combination of presence in our offices and work from home. This way we strengthen our team spirit and at the same time gives you the opportunity to achieve the best possible balance between private and professional life.