> Markdown version of [/jobs/ext/393508-php-entwickler-m-w-koln](https://www.wearedevelopers.com/jobs/ext/393508-php-entwickler-m-w-koln). 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). --- # PHP Entwickler (m/w) - Köln - **Company:** Aschert & Bohrmann GmbH - **Location:** Köln, Germany - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Ajax (Programming Language), JSON, MySQL, Subversion, Web Applications, Web Services, Extensible Markup Language (XML), Test-Driven Development (TDD), Git - **Published:** June 19, 2026 - **Apply:** https://aschert-bohrmann.de/jobs.php?refnr=41511 ## About the Role Abgeschlossene Studium im IT Bereich oder vergleichbare Qualifikation Fundiertes Fachwissen und sicherer Umgang mit PHP 5 und MySQL Gute Kenntnisse in TDD, XML und Webservices Kenntnisse in SVN, Git, JavaScript, AJAX, JSON Selbstständige, ergebnisorientierte Arbeitsweise und schnelle Auffassungsgabe Serviceorientierung, Flexibilität und Teamfähigkeit ## Description Konzeption und Entwicklung von technischen Tools auf Basis von PHP 5 Optimierung von bestehenden Webanwendungen Performance Optimierung Problemanalyse und Erstellung von Lösungskonzepten Mitarbeit an Projekten ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Successful talent development in tech: A joint journey of executives and talents](https://www.wearedevelopers.com/videos/1497-successful-talent-development-in-tech-a-joint-journey-of-executives-and-talents) ## Related Articles - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Austria – the most livable place for software developers?](https://www.wearedevelopers.com/magazine/20-austria-the-most-livable-place-for-software-developers)