# Senior PHP Developer at F24

> Croatia · Senior · Software engineering · open. Source: https://alderhq.app/jobs/personio%3Af24%3A2503676 (read 2026-11-09).

## Facts (observed)

- Company: [F24](https://alderhq.app/companies/f24)
- Location text: Zagreb / HR
- Where it can be done from (inferred): Croatia (evidence: "Location: Zagreb / HR")
- Posted: 2026-01-23 (290 days ago)
- First seen by alder: 2026-11-04 · last verified: 2026-11-08
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://f24.jobs.personio.de/job/2503676
- Skills listed (inferred): TypeScript, JavaScript, PHP, MySQL, Docker, Distributed systems

## Pay and sponsorship

- Posted pay: €54k per year (from the description)

## Description (the employer's text)

### About the job

Senior Software Engineer?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. Wave 1 of our engineering team is in place, and we're now expanding into Wave 2, bringing in more senior engineers to accelerate the work already underway.

Why F24?

You'll be working on technology that genuinely matters.

F24's Resilience platform is a system for real-time crisis coordination, incident governance, and regulated-industry compliance. It's being modernised right now, moving to cloud-native architecture, adopting containerisation and microservices, and integrating AI/ML capabilities.

### You

This is an opportunity to:

✔️ Build software used by 5,500+ organisations worldwide

✔️ Work on high-scale, high-availability SaaS products

✔️ Influence technical decisions, architecture, and engineering best practices

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

✔️ Collaborate with Product, Engineering, UX and Architecture teams across Europe

✔️ Help build secure, resilient systems that perform when they matter most

What You'll Bring:

✔️ Strong PHP backend experience

✔️ A background working in product environments

✔️ Hands-on exposure to AI tools

✔️ A collaborative mindset and a desire to solve complex technical challenges

Tech Stack: PHP \| MySQL \| TypeScript \| JavaScript \| Docker \| Microservices \| Cloud-Native Architecture \| AI/ML Integration

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 €53,942 (Gross) annually.

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/personio%3Af24%3A2503676 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.