HTML Jobs in Cologne

You develop custom web applications in PHP or C#, utilize modern web technologies, and work on e-commerce solutions as well as CMS projects for international clients in agile teams.

You develop software, plan web projects, and optimize frontend and backend processes. You gain insights into web development while testing and documenting applications for quality assurance.

In this role, you will implement technical concepts for our website, optimize architecture, contribute best practices, and support developing scalable solutions using HTML, CSS, Java/TypeScript, and React.

In this role, you will develop maintainable software architectures, collaborate closely with the design team to implement creative concepts, and advise on complex architectural issues.

In this role, you will develop complex web applications using PHP and Laravel, implement AI-driven features, conduct automated testing, and closely collaborate with the team on system optimization and debugging.

In this role, you will develop scalable software solutions in C# and .NET for telephony and contact center applications, coordinate the development team, and support the technical implementation of generative AI solutions.

In this role, you will develop complex, interactive UIs for configuring insurance products, optimize the frontend architecture, and closely collaborate with backend teams on modern API solutions.

In this role, you optimize the developer environment, implement modern technologies like AI agents, and work on infrastructure standards in a DevOps setting to enhance developer productivity and satisfaction.

In this role, you will process 2nd level support tickets, analyze user rights and customizing settings, debug errors, and document the solutions in the ticketing tool Maximo.

In this role, you will develop customized applications in the Microsoft Dynamics 365 CE environment, adapt existing modules through customizing and programming, integrate systems, and create technical documentation.

In this role, you will independently and collaboratively develop applications in C# and PHP, integrate SQL and NoSQL databases, and design distributed systems using modern technologies like Docker and Kubernetes.

In this role, you will develop new software applications in PHP, optimize existing ones, ensure software quality through testing, and maintain software elements for analysis and bug fixing, while working with HTML, CSS, and JavaScript.

In this role, you will develop web applications, conduct requirements analyses, program in HTML, CSS, and MySQL, and optimize existing systems. You will also document errors and serve as a point of contact for technical inquiries.

In this role, you will develop web front-ends using AJAX and JavaScript, maintain existing platforms, optimize usability, and ensure browser compatibility while collaborating closely with other departments.

In this role, you design and implement new Java applications, clarify requirements, and conduct integration tests for error analysis. You also provide support and identify weaknesses for improvement.