From our office in the Prime Tower, Zurich, we build cloud-native systems that enable institutional clients to access, trade, and manage digital assets securely and efficiently.

We are currently looking for a Senior Software Engineer to join our backend engineering team. You will design and build the services behind our Trading, Custody, Settlement, Staking, and Pledging platforms.  Our platform runs on Google Cloud Platform (GCP), orchestrated with Kubernetes, and consists of ~25 microservices engineered for high availability and multi-region capability. You will work closely with fellow engineers, SRE, Security, Operations, Trading, and Settlement teams to ensure our systems remain robust, secure, and scalable.  If you enjoy working with distributed systems, clean architecture, and cloud-native infrastructure, you will feel at home here.

Responsibilities  Design, build, and maintain backend services across trading, custody, settlement, staking, and pledging  Take ownership of key microservices within an about 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.)  Hands-on experience with GCP, Kubernetes, and cloud-native design is a plus  Familiarity with REST, WebSocket, FIX; SWIFT is a plus  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 (German is a plus)