Senior Java Engineer: Cloud‑Native Backend Lead

Julius Baer; Zürich; On-site; CHF 150,000 - 190,000; Full time

Job summary

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

The role focuses on re-architecture with Java 21+, Spring Boot, and distributed microservices in a high-throughput environment, leveraging observability and security best practices. You will mentor engineers and collaborate across agile teams to deliver robust services.

Qualifications

• 8+ years of server-side Java development in high-performance environments.
• Deep proficiency in Java 21+ and Spring ecosystem.
• Experience with cloud-native microservices on AWS, Azure, or GCP.

Responsibilities

• Lead design and development of a cloud-native backend system.
• Re-architect legacy application using modern Java technologies.
• Ensure high throughput, low latency and observability in distributed systems.
• Collaborate in agile teams and mentor junior engineers.

Skills

Java back-end

Spring Framework

Microservices

Cloud platforms

Kafka

RabbitMQ

REST API

gRPC

OAuth2

Observability

Docker

Kubernetes

OpenTelemetry

Micrometer

Tools

Docker

Kubernetes

OpenTelemetry

Micrometer

Prometheus

Job description

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

The role focuses on re-architecture with Java 21+, Spring Boot, and distributed microservices in a high-throughput environment, leveraging observability and security best practices. You will mentor engineers and collaborate across agile teams to deliver robust services.