Stellenangebote für Frontend Developer Jobs in Köln Landkreis

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 80.000 € - 100.000 € Frontend Senior Application Developer (m - w) - Festanstellung Unser Mandant ist ein europaweit führender IT-Dienstleister mit über 100.000 Mitarbeitern in mehr als 70 Ländern. Der Konzern erwirtschaftet über 15 Millionen Euro pro Jahr und positioniert sich als Marktführer für Cloud-Systeme, IT

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 60.000 € - 80.000 € Fullstack PHP Developer to join an international team developing and enhancing modules for a leading client in the pharmaceutical industry in Germany. This is a remote position with long-term collaboration potential. Responsibilities Develop and enhance modules in an existing platform using PHP

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 80.000 € - 100.000 € Are as follows Significant experience with React Native - Experience with leading and mentoring teams in this specialism - Multiple years of experience in mobile and - or web - frontend development, with an interest in sharing knowledge with others - Expertise in JS frameworks such as React and Angular - Being

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 60.000 € - 80.000 € Junior PHP Developer for their Cologne office's. Emphasizing speed, agility, and career growth, the company prioritizes optimal customer experiences through collaborative efforts in software development, product management, and customer service. Tech stacks include PHP, MySQL, OOP principles, Redis

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 40.000 € - 60.000 € Junior Full-Stack Developer to join our team in Cologne, with flexible options for remote work. In this role, you will contribute to both front-end and back-end development, helping to design, develop, and maintain our digital global mobility platform. You’ll work on building intuitive, high

21.05.25 | Vollzeit | Köln | JobLeads GmbH | 60.000 € - 80.000 € Können. Mit unseren Webservices und schlanken Frontends digitalisieren wir die Versicherungswelt! Wir suchen engagierte Entwicklerinnen, die Lust haben, mit C+ und auch ein wenig mit Java zu arbeiten. Wenn du Freude daran hast, unsere Produkte weiterzuentwickeln und bei anspruchsvollen Anforderungen mitzuhelfen

20.05.25 | Vollzeit | Köln | JobLeads GmbH | 60.000 € - 80.000 € With support and guidance from more senior engineers - Use AI tools (e.g., Windsurf, Cursor, Jetbrains AI) as part of your coding, testing, or learning process - Participate in trunk-based development and contribute to our automated testing and CI/CD practices - Work in a team alongside frontend developers

20.05.25 | Vollzeit | Köln | JobLeads GmbH | 40.000 € - 60.000 € And Python) and optionally frontend (React and TypeScript) components - Contribute to the implementation and automation of CI/CD pipelines - Assist in containerization and deployment processes using Docker - Collaborate with researchers and developers in interdisciplinary biomedical projects

20.05.25 | Vollzeit | Köln | JobLeads GmbH | 60.000 € - 80.000 € Transfer Requirements Proven experience as a Technical Architect or similar role, with a strong background in software architecture and development - Experience in designing and implementing complex software solutions - Experience working as a Technical Architect or Senior Developer with Architectural