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Junior

Middle

Senior

Backend Developer

What we're looking for

Do you want to build digital products as if they were your own? Are you ready for your next adventure? Explore and create digital products with us that bring smiles to people's faces. As a Backend Developer, you are responsible for the implementation of our backends. You independently build APIs in the Spring Framework and rely on AI-native engineering. You orchestrate AI agents for the automation of routine tasks, write automated test cases, and deploy everything via CI/CD pipeline and Docker on our servers.

Responsibilities

  • Development of new APIs with Spring & Kotlin

  • Development of database solutions with MongoDB

  • Orchestration of AI agents for automating code generation and refactoring

  • Careful and secure implementation of new features

  • Unit Testing & Test Automation

  • Documentation in Swagger

  • Continuous optimization of the developer experience through AI workflows

  • Understanding of good APIs for collaboration with app and web developers

Qualifications

  • Solid knowledge in Kotlin and the Spring Framework

  • Confident handling of AI coding agents (e.g., Claude Code, Cursor) for efficiency enhancement

  • Ability to critically validate AI-generated architectures and logic

  • Comprehensive understanding of common patterns and API standards

  • Attention to detail, technical understanding, and enthusiasm for software projects

  • Communicative, team-oriented, and open to new technologies

  • Fullstack Spirit: Motivation to actively contribute on other platforms through support of AI agents.

Nice to have

  • Experience with Docker and GitLab CI/CD Pipelines

  • Experience with cloud infrastructure (AWS, DigitalOcean)

  • Experience with tools like Bruno or Postman

  • Experience in integrating LLM interfaces into backend services

  • iOS/Android or Frontend (Web) experience (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 €3,267.00gross 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!