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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Nucleus Software Engineer - **Company:** Nucleus - **Location:** Zurich, KS, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Code Review, Continuous Integration, Couchbase Servers, Serialization, DevOps, Distributed Systems, Elasticsearch, Protocol Buffers, PostgreSQL, Enterprise Messaging Systems, Octopus Deploy, Oracle (Applications), Software Architecture, RabbitMQ, Ansible, Software Engineering, Google Cloud, Containerization, Tanzu, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Apache Kafka, Terraform, Jenkins, Vmware, Microservices - **Published:** July 8, 2026 - **Apply:** https://careers.leonteq.com?page=advertisement_display&id=1871 ## About the Role * Master's degree in Computer Science or a related technical field. * Professional proficiency in English. * Experience building scalable, distributed applications using Scala, Java, or other similar language. * Strong understanding of software engineering principles and a pragmatic mindset. * Experience designing and implementing APIs for integration with internal and external systems. * Strong analytical and problem-solving skills with the ability to learn quickly in a fast-paced environment. * Ability to work effectively in an international, geographically distributed team. * A proactive mindset with a strong sense of ownership and accountability. * Interest in learning about financial products and investment technologies. Nice to have * Professional experience in the financial services or fintech industry. * Experience with Scala and Pekko. * Familiarity with messaging platforms such as Kafka or RabbitMQ. * Experience operating applications on Kubernetes, VMware Tanzu, or Google Cloud Platform. ## Description As a Software Engineer in the Nucleus team, you will join a highly skilled engineering group responsible for building and evolving the core technology platform that powers Leonteq's investment platform. Nucleus provides the foundation on which many other development teams build their applications. Our services handle some of the most critical capabilities of the platform, including market data distribution, pricing infrastructure, messaging, and shared platform services. We believe in: * Engineering Excellence through modern software design and high-quality code. * Ownership where engineers take responsibility for the full lifecycle of the services they build. * Automation with CI/CD, Infrastructure as Code, and cloud-native technologies. * Collaboration across development, DevOps, Security, Infrastructure, and business teams. * Continuous Learning, both technically and within the investment products domain. You'll work in an agile environment (Kanban), collaborate closely with internal stakeholders, and contribute to a modern microservices platform running both on-premises and in Google Cloud. What you'll do * Design, develop, and maintain highly available distributed services. * Work closely with business stakeholders and other engineering teams to understand requirements, design solutions, and estimate implementation effort. * Contribute to software architecture and technical design decisions with a focus on scalability, resilience, and maintainability. * Build automated tests and contribute to a robust CI/CD pipeline that enables frequent and reliable deployments. * Collaborate with DevOps, Infrastructure, Security, and Release Engineering teams to continuously improve the platform. * Modernize and evolve existing services while ensuring high reliability for business-critical applications. * Participate in code reviews, technical discussions, and knowledge sharing across the engineering organization. * Help drive platform improvements that enable other development teams to build and deliver software efficiently. Our platform is built using modern technologies, including: * Languages: Scala 3 * Messaging: Apache Kafka, RabbitMQ * Serialization: Protocol Buffers * Container Platform: Kubernetes (on-premises & Google Cloud Platform), VMware Tanzu * GitOps: Argo CD * Databases: PostgreSQL, Couchbase, Oracle * Search & Observability: Elasticsearch * CI/CD: Jenkins * Infrastructure as Code: Terraform, Ansible ## Related Videos - [The Private AI Platform: Why Agentic Apps Need a Private Application Platform](https://www.wearedevelopers.com/videos/100162-the-private-ai-platform-why-agentic-apps-need-a-private-application-platform) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) ## Related Articles - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Switzerland Better Than Silicon Valley For Software Developers?](https://www.wearedevelopers.com/magazine/2-is-switzerland-better-than-silicon-valley-for-software-developers) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)