Senior Kotlin/Java Fullstack Engineer – Backend

This is a fully remote position, open to applicants in Germany.

📋 Description

• Create backend applications in cloud environments utilizing Kotlin/Java and frameworks like Spring Boot, Micronaut, or Quarkus.

• Design resilient and maintainable software architectures.

• Provide expertise in a secondary area, either frontend or Infrastructure/CloudOps.

• Purposefully apply Agentic Coding to enhance software quality.

• Utilize tools such as Claude Code, Cursor, or GitHub Copilot, along with context- and rules-based files and plan-/spec-driven workflows.

• Conduct critical reviews of AI-generated code modifications.

• Ensure application excellence through unit, integration, and end-to-end testing.

• Identify and constructively challenge opportunities for code enhancement.

• Take responsibility for and document technical decisions in a transparent and traceable manner.

• Work collaboratively with clients and cross-functional teams.

⛳️ Requirements

• Ability to independently develop backend applications in cloud environments.

• Experience with prevalent frameworks such as Spring Boot, Micronaut, or Quarkus.

• Understanding of robust and maintainable software architecture.

• A secondary proficiency in either frontend technologies (e.g., Vue.js, React, or Angular) or Infrastructure/CloudOps (e.g., Terraform, Kubernetes, or CI/CD).

• Familiarity with Agentic Coding tools like Claude Code, Cursor, or GitHub Copilot.

• Methodical application of context and rules files, plan-/spec-driven workflows, and critical analysis of AI-generated code changes.

• Experience with unit, integration, and end-to-end testing.

• Openness to embracing new technologies.

• Proficient German language skills, at least at the C1 level.

• Good command of English.

• Communicative, team-oriented working style with a passion for collaborating with clients.

🏝️ Benefits

• Flexible remote/home-office policy & high-quality equipment.

• 30 vacation days plus time off for Christmas, New Year’s Eve, and training/education days.

• Personalized training and development opportunities (e.g., paper clubs, language courses, external training).

• Mobility benefits (BahnCard 50, JobRad/company bike).

• Family-friendly benefits (e.g., childcare subsidy).

• Wellbeing initiatives (yoga classes & Wellpass).

• Regular team events, hackathons, and community engagement activities.