Senior Java Engineer - Cloud-Native Backend Development 100% (f/m/d) - (Contract through our external payroll partner with immediate start for 12 months with possible extension)

Bank Julius Bär & Co. Ltd.; Zürich; Sur place; CHF 140 000 - 190 000; Plein temps

Résumé du poste

Julius Baer in Zurich seeks a Senior Java Engineer to lead the design and development of a cloud-native backend system as part of a strategic initiative to modernise a large-scale legacy application.

You will architect a complete re-architecture using Spring Boot, build scalable services, operate high-throughput distributed systems in the cloud, and mentor engineers while embracing AI-assisted development tools.

Qualifications

• 8+ years of server-side Java development in regulated, high-performance domains.
• Deep proficiency in Java 21+ and the Spring ecosystem (Boot/Data/Security/Cloud).
• Experience designing high-throughput, low-latency systems with asynchronous tech and brokers.
• Cloud-native microservices experience on AWS/Azure/GCP, including migration of monoliths.
• Proficiency in RESTful APIs and gRPC with security best practices.

Responsabilités

• Lead a complete re-architecture using modern Java technologies, primarily Spring Boot.
• Build scalable, resilient services from the ground up.
• Develop and operate high-throughput, distributed systems in a cloud environment.
• Leverage AI-assisted development tools to accelerate delivery without quality loss.
• Mentor junior engineers and act as a technical leader in transformation programmes.

Connaissances

Java

Spring Boot

High-throughput systems

Asynchronous processing

OAuth2 / JWT / TLS

Observability (Micrometer, Open Teleme

AI-assisted development

Cloud platforms (AWS/Azure/GCP)

Docker / Kubernetes

REST/gRPC APIs

Security best practices

Outils

Kafka

RabbitMQ

Redis

Caffeine

Docker

Kubernetes

Flowable

Camunda

gRPC

Protobuf

OpenTelemetry

Micrometer

Description du poste

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together.

We are seeking a highly skilled Senior Java Engineer to lead the design and development of a critical cloud-native backend system as part of a strategic initiative to modernise a large-scale legacy application.

YOUR CHALLENGE

• Lead a complete re-architecture using modern Java technologies, primarily Spring Boot
• Build scalable, resilient services from the ground up
• Develop and operate high-throughput, distributed systems in a cloud environment
• Leverage cutting-edge practices, including AI-assisted development tools, to accelerate delivery without compromising quality
• Apply deep expertise in enterprise-grade Java backends, cloud platforms, and performance optimisation
• Act as a technical leader in complex transformation programmes

YOUR PROFILE

• 8+ years of experience in server-side Java development, ideally within financial or other regulated, high-performance domains
• Deep proficiency in Java 21+ and the Spring ecosystem (Spring Boot, Spring Data, Spring Security, Spring Cloud)
• Expertise in designing high-throughput, low-latency systems using asynchronous processing, message brokers (Kafka, RabbitMQ), and caching (Redis, Caffeine)
• Experience with workflow and BPMN frameworks (Flowable, Camunda) or streaming/analytics platforms (TIBCO StreamBase, Spotfire)
• Hands-on experience building, operating, and refactoring cloud-native microservices on AWS, Azure, or GCP, including migrating monolithic systems
• Proficiency with containers (Docker), orchestration (Kubernetes), service mesh, and cloud storage and services
• Experience designing and consuming RESTful APIs and gRPC services, including protocol buffers, streaming, and polyglot integration
• Expertise in securing APIs and services using OAuth2, JWT, TLS, and identity providers
• Proficiency with application observability using Micrometer and OpenTelemetry for metrics, distributed tracing, and contextual logging
• Practical exposure to AI-assisted development workflows and integrating generative AI tools into IDEs and code reviews
• Experience working within the Markets and/or Trading business domain would be preferred
• Strong problem-solving mindset with the ability to articulate technical trade-offs to peers and stakeholders
• Proactive collaborator in agile, cross-functional teams, experienced in mentoring junior engineers
• Business-fluent English (C1/2)

The international reference in wealth management Julius Baer is the leading Swiss wealth management group. We focus on servicing and advising sophisticated private clients from around the world, taking into account what truly matters to them – in their business and personal life, today and for future generations.

Headquartered in Zurich, we are present in around 60 locations worldwide, including Bangkok, Dubai, Dublin, Frankfurt, Geneva, Hong Kong, London, Luxembourg, Madrid, Mexico City, Milan, Monaco, Mumbai, Santiago de Chile, Shanghai, Singapore, Tel Aviv, and Tokyo.

Why join Julius Baer?

At Julius Baer our employees enjoy the benefits of a global company with the support and collegiality of a much smaller one. We are growing quickly, but we remain dedicated to maintaining our accessible structure with flat hierarchies, and approachable and supportive leaders. With offices around the world, we offer an international and stimulating work environment and the opportunity to work with a diverse team of highly motivated colleagues, bringing the best of the bank to our clients.

Our core values of Care, Passion, and Excellence define the tone of how we interact with each other and our partners.

Committed to your success Whether nurturing young talent with our renowned apprentice scheme, enabling ambitious university graduates to put theory into practice with our Graduate Programme, or providing first-class opportunities for experienced professionals, we look after our employees. We believe in continuous learning as a company and as individuals, which is why we put a focus on the health and well-being of our employees and offer flexible working options, a wide array of benefits, and extensive career development programmes.

For more information visit www.juliusbaer.com or contact us via the Contact Form.