Backend Architect: AI‑Driven APIs with Kotlin & Spring

Ahoi Kapptn; Linz; Hybrid; EUR 40,000 - 48,000; Full time

Benefits offered by this job

Flexible hours

Home office 2 days/week

Daily Lunch & Snacks

Bonus program

State-of-the-art Setup

Fitness & Sport

Job summary

Ahoi Kapptn is hiring a Backend Developer in Linz to build robust backends using Spring and Kotlin. You will orchestrate AI agents to automate coding tasks, write automated tests, and deploy via CI/CD pipelines and Docker.

You will design APIs, ensure secure feature implementations, and collaborate with frontend devs. Expect a hybrid setup with flexible hours and home office, plus a competitive base salary and growth opportunities.

Qualifications

• In-depth knowledge of Kotlin and the Spring Framework.
• Confident use of AI coding agents to increase efficiency.
• Ability to critically validate AI-generated architectures and logic.
• Comprehensive understanding of common API patterns and standards.
• Attention to detail, technical acumen, and enthusiasm for software projects.
• Communicative, team-oriented, and open to new technologies.
• Fullstack spirit, willing to contribute to other platforms with AI aid.
• Fluency in German or English.

Responsibilities

• Develop new APIs with Spring & Kotlin.
• Develop database solutions with MongoDB.
• Orchestrate AI agents to automate code generation and refactoring.
• Ensure secure and careful implementation of new features.
• Write unit tests and automate tests.
• Document APIs in Swagger.
• Continuously optimize developer experience via AI workflows.
• Collaborate with app/web teams on API design.

Job description

Ahoi Kapptn is hiring a Backend Developer in Linz to build robust backends using Spring and Kotlin. You will orchestrate AI agents to automate coding tasks, write automated tests, and deploy via CI/CD pipelines and Docker.

You will design APIs, ensure secure feature implementations, and collaborate with frontend devs. Expect a hybrid setup with flexible hours and home office, plus a competitive base salary and growth opportunities.