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We are looking for a Senior Backend Developer to join our Frankfurt-based team. This is a role for a "developer's developer" - someone who loves the craft of coding, understands the intricacies of microservices, and is excited about using AI to push the boundaries of engineering productivity. The Mission: You will be responsible for the core backend services of a high-traffic platform. This isn't about managing people; it's about designing robust systems, solving complex technical puzzles, and ensuring the stability of real-time gaming sessions.
Job Responsibility:
Develop: Build scalable services using Java, Kotlin, and Spring Boot
Optimize: Manage high-concurrency data with RabbitMQ and Redis
Innovate: Integrate AI-powered tools (Cursor, Copilot) into your workflow to accelerate delivery and maintain architectural integrity
Scale: Take ownership of core platform components like wallets, payments, and integrations
Requirements:
Senior Expertise: Deep professional experience with Java/Kotlin and Spring Boot
System Design: Strong understanding of Microservices, SQL optimization (PostgreSQL/MySQL), and message brokers
AI Fluency: You are already using AI assistants to write better code, faster
Location: You are based in or willing to commute to Frankfurt at least 3 days a week