Nucleus Software Engineer

Leonteq is a Swiss fintech company and a leading marketplace for structured investment solutions. Combining capital markets expertise with proprietary technology, the company provides access to a wide range of structured investment opportunities.

Entrepreneurial thinking is central to how we work. Expertise is valued, ownership is encouraged, and employees are empowered to actively shape their areas of responsibility. Innovation and continuous improvement are part of daily life, making Leonteq a dynamic and collaborative place to grow your career.

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.

• 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, Dev Ops, 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.

• 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 Dev Ops, 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
• Serialization: Protocol Buffers
• Search & Observability: Elasticsearch
• CI/CD: Jenkins
• Infrastructure as Code: Terraform, Ansible

• 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.

• 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
  .

• Build the core platform powering one of the leading fintech companies in the structured investment products industry.
• Solve challenging engineering problems involving distributed systems, messaging, scalability, and cloud-native technologies.
• Influence the architecture and evolution of a platform used by multiple development teams.
• Work with experienced engineers in a culture that values ownership, technical excellence, and continuous improvement.
• Gain deep knowledge of investment products through close collaboration with business experts.
• Work daily with modern technologies including Kubernetes, Git Ops, CI/CD, Infrastructure as Code, and cloud platforms.
• Enjoy an environment that encourages learning, innovation, and professional growth.