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Backend Developer

Do you want to build digital products as if they were your own? Are you ready for your next adventure? Explore and build digital products with us that put a smile on people's faces.

As a Backend Developer, you will be responsible for implementing our backends. You will build APIs independently using the Spring Framework, relying on AI-native engineering. You will orchestrate AI agents to automate routine tasks, write automated test cases, and deploy everything to our servers via CI/CD pipelines and Docker.

Location: Linz

Level

  • Mid
  • Senior

Employment type

  • Full-time

Your tasks

  • 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

What you bring

  • In-depth knowledge of Kotlin and the Spring Framework
  • Confident use of AI coding agents (e.g., Claude Code, Cursor) to increase efficiency
  • Ability to critically validate AI-generated architectures and logic
  • Comprehensive understanding of common patterns and API standards
  • Attention to detail, technical acumen, and enthusiasm for software projects
  • Communicative, team-oriented, and open to new technologies
  • Fullstack spirit: Motivation to actively contribute to other platforms, supported by AI agents
  • Fluent in German or English

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)

Salary

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 € 3,954.00 gross per month (based on 14 times/year).

Your benefits at Ahoi Kapptn!

From flexible working hours to further training, here you will find everything that is part of everyday working life with us.

Flexible hours & home office

Flexible working hours, 2 days of home office per week, and flexible focus times.

Daily Lunch & Snacks

€8 daily allowance for Posthofbeisl as well as free drinks, fruit & snacks.

Bonus system

Bonus program and referral bonus.

State-of-the-art Setup

MacBook Pro*, 4K monitor & height-adjustable desk; depending on position, company mobile phone

Fitness & Sport

Discounted fitness membership, our own run club & participation in various sports events

Exclusive Discounts

Local discounts in the area and an exclusive portal with over 1,500 deals.

Growth & Learning

Budget for specialist conferences as well as individual professional and personal development.

Crew Culture

PS5, foosball table & bar. We celebrate successes and laugh together.

Tech Harbor Spirit

Part of the Community: Cool Events & Networking

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!

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