Backend Developer Mid · Senior · Full-time

Ahoi Kapptn; Linz; Hybrid; EUR 40.000 - 48.000; Vollzeit

Benefits dieser Stelle

Flexible hours

Home office 2 days/week

Daily Lunch & Snacks

Bonus program

State-of-the-art Setup

Fitness & Sport

Zusammenfassung

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.

Qualifikationen

• 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.

Aufgaben

• 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.

Jobbeschreibung

# Backend DeveloperDo 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: LinzLevel* Mid* SeniorEmployment type* Full-timeYour 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 developersWhat 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 EnglishNice 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)SalaryYour 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 officeFlexible 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 systemBonus program and referral bonus.### State-of-the-art SetupMacBook Pro\\*, 4K monitor & height-adjustable desk; depending on position, company mobile phone### Fitness & SportDiscounted fitness membership, our own run club & participation in various sports events## Apply now and become part of our crewUse the form or send us your application easily via email to [e-mail]. We are excited to get to know you!