Working Student / Intern: Software Engineer (Frontend & Backend) (f/m/x)
HybridKöln, North Rhine-Westphalia, Germany
Köln, North Rhine-Westphalia, GermanyHybridInternshipEntry Level
InternshipEntry Level
Job Summary
Working Student or Intern to ship production-ready features across frontend, backend, or full-stack using React/TypeScript and backend languages (Java, Go, Rust, Python, Node.js). Participate in designing robust APIs, data pipelines (Kafka, ClickHouse), and contribute to a modular UI component library. Flexible project scope from core alerting logic to integrations (Slack, MS Teams, Jira) and AI-powered SRE features. Hybrid role based in Cologne with 3 days in-office and 2 days remote; 16–20 hours/week for 3–6 months. Strict emphasis on testing, code quality, and scalability with mentorship from experienced engineers.
Required Qualifications
- Current Student: Enrolled in Computer Science, Software Engineering, Informatics, or a related technical field
- Hands-on experience with React/TypeScript on the frontend and/or a backend language like Java, Go, Rust, Python, or Node.js
- Solid grasp of data structures, algorithms, and how web applications fit together (APIs, databases, Git)
- Engineering mindset and eagerness to learn how a professional SaaS product is built, tested, and deployed at scale
- Bonus points for side projects, open source, or anything shipped (backend, frontend, or AI)
- Fluent English (working language)
Desired Qualifications
- Experience with React/TypeScript on frontend
- Experience with backend languages such as Java, Go, Rust, Python, or Node.js
- Familiarity with APIs, databases, and Git
- Exposure to distributed systems (e.g., Kafka, ClickHouse) is a plus
- Interest in frontend, backend, or full-stack development
- English fluency
- Current student or recent graduate in Computer Science, Software Engineering, Informatics, or a related technical field
- Side projects/open source contributions are a bonus
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