Senior Java Engineer 100% (f/m/d) (Contract through our external payroll partner with immediate start until 30.09.2027 with possible extension)
Julius Baer24 hours ago
Zürich, SwitzerlandSenior
Responsibilities
- Lead the design and development of a cloud-native backend system using modern Java and Spring technologies.
- Re-architect and migrate a large-scale legacy monolith into scalable microservices.
- Design high-throughput, low-latency services using asynchronous processing and message brokers.
- Build and operate containerized services on AWS, Azure, or GCP using Docker and Kubernetes.
- Implement application observability with metrics, distributed tracing, and contextual logging.
- Secure APIs and services and design and consume RESTful APIs and gRPC services.
- Apply caching strategies to improve performance and reduce database load.
- Use AI-assisted development workflows and integrate generative AI tools into IDEs and code reviews.
- Mentor junior engineers and collaborate with cross-functional teams to deliver robust software.
Requirements
- At least 8 years of experience developing server-side Java applications.
- Deep proficiency in Java 21+ and the Spring ecosystem, including Spring Boot, Spring Data, Spring Security, and Spring Cloud.
- Experience with workflow framework languages or platforms such as TIBCO StreamBase, Spotfire, Flowable, or Camunda with BPMN.
- Expertise in high-throughput and low-latency system design, asynchronous processing, and Kafka or RabbitMQ.
- Hands-on experience with cloud-native microservices, Docker, Kubernetes, service mesh, and cloud storage or services on AWS, Azure, or GCP.
- Experience with Micrometer and OpenTelemetry for observability.
- Experience refactoring or migrating monolithic systems to microservice architectures.
- Practical experience with AI-assisted development workflows and generative AI tools in IDEs and code reviews.
- Experience in markets or trading domains is preferred.
- Experience securing services with OAuth2, JWT, TLS, and identity providers.
- Experience with Redis or Caffeine caching.
- Experience designing and consuming RESTful APIs and gRPC services, including protocol buffers and bidirectional streaming.
- Strong problem-solving, communication, collaboration, and ownership skills, with experience mentoring junior engineers.
- Business-fluent English at C1/C2 level.
Benefits
- Full-time contract through an external payroll partner with an immediate start and an end date of 30 September 2027, with possible extension.
- Opportunity to work on a strategic cloud-native modernization initiative in wealth management and financial services.
Tech Stack
Categories
About Julius Baer
Julius Baer is a Swiss private banking group providing wealth management, investment advisory, and custody services to high- and ultra-high-net-worth clients and family offices. It earns fees and commissions on assets under management, plus trading, custody, and lending income. Founded in 1890 and headquartered in Zurich, it operates in about 25 countries across roughly 60 locations, with notable hubs in Geneva, London, Hong Kong, Singapore, and Dubai.