Job
- Level
- Senior
- Location
- Berlin
- Working Model
- Hybrid, Onsite
- Job Field
- Web, Full Stack, Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
You develop robust backend services and APIs in Kotlin, Java, or TypeScript, design integration with frontend technologies, and collaborate closely with customers and your team.
Job Technologies
Your role in the team
- You build robust services and APIs in Kotlin, Java, or TypeScript and integrate them into our web apps, also willing to extend into the infrastructure.
- You design, develop, and test new backend services and features in close collaboration with your colleagues from frontend and backend.
- In this role, you will design data models, interfaces, and integrations with third-party systems.
- You ensure the performance, scalability, and security of our web platforms and services.
- You work directly with our clients on the technical and content design.
- You design, develop, and test new features, from the API to the user interface.
- You program in the backend using Kotlin, Java, or TypeScript (Node.js) and in the frontend with TypeScript (React).
- You design data models, interfaces, and integrations with third-party systems and connect them seamlessly with the frontend.
- You resolve bugs and improve the performance, scalability, and security of our web applications and services.
- Depending on the project, you will be involved in cloud infrastructure, CI/CD pipelines, and deployment.
- In your daily work, you use Agentic engineering tools such as Cursor or Claude Code.
- You work directly with our clients, usually remotely.
- You support your team colleagues and share learnings and best practices across Protofy.
- You actively participate in the professional development of the organization.
- You follow new trends in backend, web, and app development and discuss their implementation.
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Our expectations of you
Qualifications
- You have solid web expertise (HTTP, HTML, CSS, TypeScript/JavaScript) and understand the interplay between frontend and backend.
- You are fluent in German and English.
Experience
- You bring over 5 years of experience in backend and web development and are eager for exciting tasks and challenges.
- You have over 5 years of experience in software development, both in backend and web development.
- You have experience in backend development with Kotlin, Java, or TypeScript (e.g., Node.js) as well as in designing and operating APIs (REST and/or GraphQL).
- You have experience in frontend development with React, Flutter, and TypeScript.
- You have experience in designing and implementing SQL and/or NoSQL databases (e.g., PostgreSQL, MongoDB).
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What we offer
- Let's talk!
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Benefits
Work-Life-Integration
Topics You Will Work On
Job Locations
About Your Employer
Protofy
Protofy builds mobile apps, websites, and digital business models. Our customers are established companies with new digital projects and funded startups.
Description
- Company Type
- Established Company
- Working Model
- Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Senior Full Stack Engineer
- Location
- Berlin
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
