Senior Software Engineer

About Crypto Finance  Crypto Finance Group, part of Deutsche Börse Group, provides professional digital asset solutions to institutional clients. The Group comprises Crypto Finance AG, regulated by FINMA in Switzerland, offering trading, custody, and wallet services, as well as Crypto Finance (Deutschland) GmbH, regulated by BaFin in Germany, offering trading and custody services. As of 25 January 2025, Crypto Finance secured a MiCAR license for the European market as one of the first providers in the EU. Crypto Finance AG is a SIX-approved crypto custodian for ETP issuers.   For more information, please visit our website at About us - Crypto Finance   About the role  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)  Benefits Work on impactful production systems used by financial institutions worldwide   A modern, cloud-native engineering environment (GCP, Kubernetes, microservices)   Exposure to topics across trading, custody, settlement, staking, and pledging   The freedom to influence architecture and technical direction   A collaborative, engineering-focused culture with smart and supportive colleagues   Regular knowledge-sharing, continuous learning opportunities, and room to grow  A modern workspace in Prime Tower, Zurich  Eligibility to work in Switzerland (Swiss permit or EU/EFTA citizenship)    Our culture  At the heart of our company, we prioritize:  Innovation and Continuous Learning  Collaboration and Knowledge Sharing  Entrepreneurial Spirit and Flat Hierarchies  Values such as Excellence, Delivery, Ownership, Passion, and Unity  Please note:   We do not accept CVs from recruiting or staffing agencies.  Due to the Swiss labour legislation, we can only accept applicants who have the right to work in Switzerland (are in possession of a Swiss work permit or are EU/EFTA citizens). All other applications will not be considered.  If this is the position for you, and you have a Swiss work permit and/or EU citizenship, please send us your complete application, incl. cover letter, CV, and references.