Senior Full Stack Developer (m/f/d)

Gulp Ag; Bonn; Remote; EUR 90,000 - 120,000; Full time

Job summary

Gulp Ag in Bonn is seeking a Senior Full-Stack Developer (m/f/d) for the Bonn area with 100% remote work after initial training. The role involves independent development and optimization of scalable, modern full-stack web applications, frontend interfaces with HTML5/CSS3/JavaScript and frameworks (React, Vue.js, Angular), and backend APIs (REST/GraphQL) with robust databases.

You will also design high-performance server logic, work with CI/CD, Docker, and Agile methods, and participate in code

Qualifications

• 5 to 8 years of demonstrable practical experience in software development in a full-stack environment.
• Frontend technologies: Solid knowledge of HTML5, CSS3, JavaScript/TypeScript and sound experience with at least one common framework (React, Vue.js or Angular).
• Backend & Databases: Confident handling of backend technologies (e.g. Node.js, Python, Java, PHP, C# or Go) and relational/NoSQL databases.
• Methods & Tools: Routine in dealing with Git, CI/CD, containerization (Docker) and agile working methods.
• Personality: A structured, solution-oriented mindset, a high awareness of quality, and enjoyment in achieving goals together.

Responsibilities

• Conceptualization & Development: Independent development and optimization of scalable, modern full-stack web applications.
• Frontend Design: Implementation of appealing, responsive user interfaces using HTML, CSS, JavaScript, and modern frameworks (React, Vue.js, or Angular).
• Backend & Architecture: Design and implementation of high-performance server logic, APIs (REST/GraphQL), and integration of robust database structures.
• Quality Assurance: Ensuring clean code standards through test automation, code reviews, and continuous refactoring.
• Innovation & Collaboration: Active contribution of new ideas, evaluation of modern technologies, and close collaboration within the development team.

Skills

Full-stack development

Frontend experience

Backend development

APIs (REST/GraphQL)

Tools

Git

CI/CD

Docker

Job description

On behalf of our client, we are seeking a Senior Full-Stack Developer (m/f/d) for the Bonn area (100% remote work after initial training). The company is a leading B2B software provider and specialist in integrated management, point-of-sale, and access control systems for the leisure, culture, and event sectors. Responsibilities include: Conceptualization & Development: Independent development and optimization of scalable, modern full-stack web applications. Frontend Design: Implementation of appealing, responsive user interfaces using HTML, CSS, JavaScript, and modern frameworks (React, Vue.js, or Angular). Backend & Architecture: Design and implementation of high-performance server logic, APIs (REST/GraphQL), and integration of robust database structures. Quality Assurance: Ensuring clean code standards through test automation, code reviews, and continuous refactoring. Innovation & Collaboration: Active contribution of new ideas, evaluation of modern technologies, and close collaboration within the development team.

• Professional experience: 5 to 8 years of demonstrable practical experience in software development in a full-stack environment.
• Frontend technologies: Solid knowledge of HTML5, CSS3, JavaScript/TypeScript and sound experience with at least one common framework (React, Vue.js or Angular).
• Backend & Databases: Confident handling of backend technologies (e.g. Node.js, Python, Java, PHP, C# or Go) and relational/NoSQL databases.
• Methods & Tools: Routine in dealing with Git, CI/CD, containerization (Docker) and agile working methods.
• Personality: A structured, solution-oriented mindset, a high awareness of quality, and enjoyment in achieving goals together.