> Markdown version of [/jobs/ext/4499930-senior-backend-developer-fixed-term-360-monitoring](https://www.wearedevelopers.com/jobs/ext/4499930-senior-backend-developer-fixed-term-360-monitoring). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Backend Developer (fixed-term) - 360 Monitoring

- **Company:** WebPros
- **Location:** Köln, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €50,000.0 - €72,000.0
- **Contract:** Temporary contract
- **Skills:** PHP (Programming Language), User Authentication, Continuous Integration, Software Debugging, DevOps, Linux Servers, MongoDB, OAuth, OpenID, Server Administration, Symfony, TypeScript, Backend, Docker
- **Published:** October 31, 2026
- **Apply:** https://www.adzuna.de/details/5944768687

## About the Role

* Several years of professional backend development at senior level, with strong PHP (Symfony) and solid Node.js / TypeScript
 * Proven ability to get productive quickly and independently in large, existing codebases with limited documentation
 * Experience operating production systems: debugging, monitoring, incident handling
 * Fluent English and availability within CET ±2 hours

Nice-to-Haves

 * DevOps experience (Linux servers, CI/CD, Docker)
 * MongoDB
 * Experience with cPanel & WHM or hosting / monitoring products
 * Authentication / identity migrations (e.g. Auth0, OAuth/OIDC), * Technical & Culture Interview (60 min): Deep dive into technical expertise, problem-solving, adaptability

## Description

* Run and develop the KoalityEngine day to day, including its custom solutions, so the platform stays reliable during the leave.
 * Maintain the WHM integration (360 Monitoring plugin for cPanel & WHM) so customers on cPanel servers keep getting working monitoring.
 * Troubleshoot production issues across the backend systems, including on-call-style incident work, to keep downtime short.
 * Deliver backend work on the 360 Monitoring side, including the Auth0 decommissioning, so we can move off Auth0 cleanly.
 * Take on DevOps tasks (deployments, infrastructure, server maintenance) so releases and servers stay stable.
 * Work with the second senior backend developer, QA and product to plan and ship changes with the right context and testing., * Hiring Manager Interview (45 min): Discussion with Sascha Fuchs to assess team fit, self-reliance, technical alignment, and problem-solving skills.