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

SERVICE 1; Paderborn; Vor Ort; EUR 65.000 - 95.000; Vollzeit

Benefits dieser Stelle

Mentoring program

Team events

Flexible working location

Zusammenfassung

SERVICE 1 is seeking a Developer / Consultant for mobile applications. You will work as a JavaScript/TypeScript developer in Professional Services, delivering web and mobile solutions to clients. Collaborate with designers, backend teams and project managers to ensure high-quality outcomes.

You will build, customize and optimize applications using modern frameworks, APIs, and databases while maintaining strong emphasis on performance and security. Fluent German and English are required.

Qualifikationen

• Bachelor's degree in Computer Science or related field or equivalent experience.
• 2+ years of experience with JavaScript/TypeScript development.
• Strong knowledge of frontend frameworks React.js, Vue.js, Angular, Next.js.
• Experience with Node.js backend and REST/GraphQL APIs.
• Familiarity with build tools (Webpack, Vite) and Docker.
• Knowledge of state management (Redux, Zustand, Vuex).
• Proficient in Git, VSCode, and Linux/Windows environments.
• Excellent German and English communication skills.

Aufgaben

• Develop, customize and optimize web and mobile applications with JavaScript/TypeScript.
• Collaborate with designers, backend developers, and project managers to deliver high-quality solutions.
• Integrate applications with RESTful APIs, GraphQL, and databases.
• Review code, participate in architecture discussions, and follow Agile processes.
• Maintain code quality, performance, and accessibility across platforms.
• Communicate with clients to understand needs and deliver tailored solutions.

Kenntnisse

React.js

Vue.js

Angular

Next.js

Node.js

Express.js

NestJS

Redux

Zustand

Vuex

Webpack

Vite

Docker

CI/CD

MongoDB

PostgreSQL

Firebase

REST APIs

GraphQL

Security

Performance

Accessibility

Git

VSCode

Ausbildung

Bachelor's degree in Computer Science or related field

Tools

Node.js

Express.js

NestJS

Webpack

Vite

Docker

CI/CD pipelines

MongoDB

PostgreSQL

Firebase

REST/GraphQL APIs

Jobbeschreibung

WELCOME to SERVICE 1!

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.

WELCOME to SERVICE 1!

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.

What we would wish for...

• 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 degreein Computer Science, Software Engineering, or a related field (or equivalent experience).
• 2+ years of experiencedeveloping applications using JavaScript and TypeScript.
• Strong communication and problem-solving skills
• We require very good German and English language skills

We have great tasks...

• Develop, maintain, and optimize web and mobile applicationsusing 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.

Take this into account...

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.

It is all about YOU...

If you are interested in what we can offer you and you see yourself in the tasks - then we should talk. Even if not everything fits exactly. The important thing is that you want to develop yourself further. And we will be happy to help you find your strengths. We look forward to getting to know you. We would also be happy to take this opportunity to tell you more about our company and the solutions we are passionate about developing.