Mobile App Developer / Consultant (m|f|s)

We are looking for YOU as a Developer / Consultant for our mobile applications. As an experienced JavaScript/TypeScript Developer, you will join our Professional Services team and work closely with our clients to develop, customize and optimize web and mobile applications. In cooperation with designers, backend developers and project managers, you will ensure the delivery of high-quality solutions that meet business requirements to the highest degree.

• Develop, maintain, and optimize web and mobile applications using JavaScript/TypeScript.
• Work with modern frameworks and libraries such as React.js, Next.js, Vue.js, Angular, or Node.js.
• Collaborate with backend teams to integrate applications with RESTful APIs, GraphQL, and databases.
• Write clean, maintainable, and efficient code following industry best practices.
• Troubleshoot, debug, and optimize applications for performance and scalability.
• Participate in code reviews, architectural discussions, and Agile development processes.
• Work directly with clients to understand their needs and deliver customized solutions.
• Stay updated with the latest JavaScript/TypeScript technologies and industry trends.

• Strong knowledge of frontend frameworks (React.js, Vue.js, Angular, or Next.js).
• Experience with backend development using Node.js and npm, Express.js, or NestJS.
• Familiarity with state management libraries (Redux, Zustand, Vuex, etc.).
• Knowledge of modern build tools and DevOps (Webpack, Vite, Docker, CI/CD pipelines).
• Experience integrating with databases (MongoDB, PostgreSQL, Firebase, etc.).
• Understanding of best practices in security, performance, and accessibility.
• Experience in the use of tools such as Vscode, Git and Windows as operating system
• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
• 2+ years of experience developing applications using JavaScript and TypeScript.
• Strong communication and problem-solving skills
• We require very good German and English language skills

We are a committed and innovative team with flat hierarchies and short decision-making paths. Mutual appreciation, trusting cooperation and open exchange are important to us. You will find with us

• Start-up mentality with a customer-oriented approach meets economic solidity and experience competence
• Intensive onboarding and training opportunities for professional skills and personal development
• Mentoring program: get support from experienced colleagues or become a mentor yourself
• An attractive and performance-oriented remuneration package
• Our quality time: corporate health program & team events
• Family orientation: Flexible working location and working time model

...and much more.

The success of our company depends largely on the strength of our team. At SERVICE 1, we treat each other with mutual respect and appreciation. We foster a diverse culture where every team member is encouraged to reach their full potential and where everyone's contributions are valued. This cohesion enables us to achieve even the most ambitious goals, celebrate together and grow continuously.