Job Description

Senior Java Developer
Experis is the global leader in professional resourcing and project-based workforce solutions.
Overview of contract
On behalf of our client, a large bank in Switzerland, we are looking for a Senior Java Developer.
Key Responsibilities:

• Design, develop, and maintain robust, scalable, and high-performance real-time systems for market data streaming.
• Drive standardization and automation within the technology landscape.
• Participate in application support, including periodic on-call duties.
• Foster an engineering culture of collaboration, feedback, and innovation within the team.
• Mentor junior developers and provide constructive code reviews.
• Ensure solutions meet nonfunctional requirements such as security, capacity, and observability.
• Operate and support critical business systems on a global scale.
• Collaborate using Agile/SAFe methodologies and tools such as Jira and Confluence.

• Market Data Expertise: Knowledge of asset classes, data vendors, and entitlement aspects.
• Java Development: Minimum 5 years of experience, with at least 2 years on Java 11 or higher.
• Strong understanding of multi-threading and memory management.
• Experience with microservices, distributed systems, and cloud-native applications.
• Proficiency in cloud concepts, particularly Azure.
• Kafka experience for real-time data streaming.
• Test-driven development (TDD) using JUnit and mocking libraries (e.g., Mockito).
• Familiarity with functional programming, ideally in Java.
• Experience in solution architecture and factoring nonfunctional requirements into design.
• Knowledge of security concepts and implementations.
• Understanding of lifecycle activities, capacity management, and observability.
• General DevOps skills: scripting, CI/CD pipelines, deployments, certificates.
• Experience with Jenkins, Grafana, Octopus, Kubernetes.
• Previous experience in the financial sector, especially in front-office functions.