Senior Frontend Engineer

Zagreb / HR

Full-time

Permanent employee

43,000 - 52,000 € al año

About the job

Job Profile: Senior Software Engineer (Frontend / Web)
Zagreb

About the job
F24 is Europe's leading crisis management SaaS platform, trusted by governments, airlines, banks, and Fortune 500s in over 100 countries.
The TopEase platform is at the heart of our GRC offering, providing modern web-based tools for process modelling, analysis, and optimisation.
As part of our growing Zagreb Tech Centre, we are expanding our frontend capabilities to further enhance the TopEase Web platform.

Why F24?
You'll be working on technology that genuinely matters.
Our frontend engineers develop and maintain modern web applications on top of the Web3 platform. The focus is on usability, performance, and continuous improvement of the user experience.

You'll be part of a team delivering new features, improving existing components, and ensuring the platform keeps up with evolving standards and security requirements.
You

Develop and maintain our core Web3 platform using modern JavaScript and native Web Components
Design and implement new platform capabilities and customer-facing features
Develop automated tests and contribute to a high-quality engineering culture
Build and maintain REST APIs and work extensively with JSON-based data structures
Upgrade dependencies and resolve compatibility, security and deprecation-related issues
Analyse, refactor and modernise existing frontend components
Improve usability and user experience across the platform
Develop web applications based on the TopEase platform
Manage development tasks and technical documentation within YouTrack
Build expertise in Governance, Risk & Compliance (GRC) and the TopEase product landscape
Collaborate closely with Product Management, QA and Engineering teams across Europe

What You'll Bring

Strong frontend development experience with HTML5, CSS3 and JavaScript (ES5/ES6+)
Experience working with REST APIs and JSON-based integrations
Experience with professional build and dependency management tools such as npm, Rollup, Ant or Ivy
Strong commitment to high-quality, performant and maintainable code
Analytical mindset with a proactive and autonomous approach to problem solving
Experience developing and maintaining automated tests
B.Sc. in Software Development or equivalent practical experience
Very good English skills; German is a plus
Willingness to occasionally travel within Europe

Nice to Have

Experience with AI-assisted development or AI-powered solutions
A strong understanding of UI/UX principles and usability best practices
Hands-on experience with automated testing approaches (Unit, Integration, E2E)
Knowledge of application security and secure coding practices
Experience working with XML and XPath
Exposure to CI/CD pipelines and automation tools such as JenkinsTools & Technologies

¿Quiénes somos?

What we do:

F24 is the leading software-as-a-service (SaaS) provider for alerting and crisis management for sensitive and critical communications in Europe. We are able to offer a highly innovative solution and help customers all over the world to successfully and efficiently manage incidents, emergencies and critical situations.

Founded in 2000, F24 AG is headquartered in Munich, Germany, and supports companies and organisations in more than 100 countries around the globe with its subsidiaries in Zurich, London, Trondheim, Paris, Luxembourg-City, Madrid, Brussels and Munich along with its branches in Mexico City, Santiago de Chile, Vienna and Dubai, Milan. F24’s customers come from various sectors like energy, healthcare & pharmaceuticals, aviation, IT & telecommunication and public organisations.

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 give you the opportunity to achieve the best possible balance between private and professional life.