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Middle
Senior
AI Automation Backend Developer
What we're looking for
Do you want not only to build digital products but to perfect them? Do you enjoy developing robust backends, while also wanting to revolutionize how we ensure quality by using AI in Testing & QA? As an AI Automation Backend Developer, you shape the technical foundation of our projects. You develop highly efficient backend infrastructures and ensure that our architecture remains scalable and future-proof. At the same time, you are the driving force for our AI-Native Testing area: You use AI agents and smart scripting to proactively detect errors, setting new quality standards within our crew. Important: A thorough knowledge of German is required for this position.
Responsibilities
Development of new APIs with Spring & Kotlin and design of database solutions with MongoDB
Conducting manual and automated software tests (Web & Mobile) and evaluation of AI agents for testing
Automation of tests and setup of test environments using AI & scripting
Careful implementation of new features, documentation in Swagger/OpenAPI, and deployment via CI/CD & Docker
Continuous development of the testing process and internal QA standards
Use of AI coding agents to optimize the developer experience and test coverage
Close collaboration with the crew to ensure the highest code quality
Qualifications
Solid knowledge of Kotlin and the Spring Framework
Practical experience with AI tools (e.g., Claude Code, Cursor) and a passion for AI-native testing
Confident handling of QA structures, common testing practices, and automation tools
High quality standards, attention to detail, and enthusiasm for software projects
Communicative, team-oriented, and fluent in German and English
Fullstack spirit: Motivation to actively contribute on other platforms through the support of AI agents.
Nice to have
Experience with cloud infrastructure (AWS, DigitalOcean) and CI/CD pipelines
Experience with tools like Bruno, Postman, AppTester / Testflight
Experience with tools like Bruno or Postman
Basic knowledge of frontend frameworks (React / Next.js)
Your salary depends on your qualifications and experience. Based on your seniority, we offer a significant overpayment above the collective agreement minimum salary. Legal notice: The IT collective agreement (ST1) applies to this position. The minimum base salary according to the collective agreement for this position is €3,954.00gross per month (based on 14 times/year).
Benefits
Apply now and become part of our crew!
Use the form or send us your application easily via email to jobs@ahoikapptn.com. We are excited to get to know you!