Senior Backend Engineer
The Role:
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.
What you’ll do:
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Develop: Build scalable services using Java, Kotlin, and Spring Boot.
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Optimize: Manage high-concurrency data with RabbitMQ and Redis.
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Innovate: Integrate AI-powered tools (Cursor, Copilot) into your workflow to accelerate delivery and maintain architectural integrity.
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Scale: Take ownership of core platform components like wallets, payments, and integrations.
What we’re looking for:
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Senior Expertise: Deep professional experience with Java/Kotlin and Spring Boot.
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System Design: Strong understanding of Microservices, SQL optimization (PostgreSQL/MySQL), and message brokers.
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AI Fluency: You are already using AI assistants to write better code, faster.
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Location: You are based in or willing to commute to Frankfurt at least 3 days a week.
Why join?
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Impact-driven culture: High autonomy, low bureaucracy.
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Work on a real-time, high-traffic product.
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A team that values technical excellence and "geek" culture.