About the role:

Crypto Finance Group is looking for a Senior Software Engineer to join the backend engineering team in Zurich. You will design and build the services behind Trading, Custody, Settlement, Staking, and Pledging platforms, working closely with fellow engineers, SRE, Security, Operations, Trading, and Settlement teams to ensure systems remain robust, secure, and scalable.

The platform runs on Google Cloud Platform (GCP), orchestrated with Kubernetes, and consists of ~25 microservices engineered for high availability and multi-region capability.

Responsibilities:

📍Design, build, and maintain backend services across trading, custody, settlement, staking, and pledging. 📍Take ownership of key microservices within an approximately 25-service distributed architecture. 📍Ensure system performance, reliability, high availability, and readiness for multi-region operation. 📍Develop Java-based services using Vert.x or Spring. 📍Integrate with internal and external systems via REST, WebSocket, FIX, and occasionally SWIFT. 📍Deploy and operate services in GCP + Kubernetes. 📍Improve automation and delivery pipelines using ArgoCD. 📍Diagnose and address issues in distributed systems. 📍Participate in architecture discussions, incident reviews, and continuous improvement. 📍Share knowledge and mentor other engineers.

Requirements:

📍Degree in Computer Science or equivalent practical experience. 📍5+ years of backend engineering experience, ideally building production-grade systems. 📍Strong Java experience and good understanding of microservice architecture. 📍Solid knowledge of distributed systems patterns (resilience, retries, timeouts, etc.). 📍Familiarity with REST, WebSocket, and FIX protocols. 📍Experience with PostgreSQL or similar relational databases. 📍Understanding of high availability and multi-region deployment strategies. 📍Experience with CI/CD workflows and GitOps using ArgoCD. 📍Interest in digital assets and/or blockchain technologies. 📍Strong sense of quality, reliability, and security. 📍Professional proficiency in English. 📍Eligibility to work in Switzerland (Swiss permit or EU/EFTA citizenship).

Nice-to-have: 📍Hands-on experience with GCP, Kubernetes, and cloud-native design. 📍Familiarity with SWIFT. 📍German language proficiency.

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