Senior Full Stack Developer (with React)

We're looking for a Senior Full Stack Developer to join our team in Zurich, Switzerland in a hybrid working mode. In this role, you will help modernize credit decision technology by contributing to the development of a new, streamlined platform replacing an existing application within the credit decisions domain. You will build high-quality backend services, front-end interfaces and support platform infrastructure while closely collaborating with other technical teams and business stakeholders to ensure seamless integration and reliable operations. This is an excellent opportunity to apply your full-stack expertise in a complex domain, utilizing modern frameworks and cloud technologies to deliver impactful financial solutions.

Responsibilities

Build Java Spring Boot backends and ReactJS frontends for the new platform

Implement CI/CD-ready code integrating with Azure environments

Create and maintain deployment playbooks using Ansible for configuration management

Define REST API boundaries and manage integration points using Kafka topics

Perform SQL queries, database reverse engineering and troubleshoot technical issues

Collaborate with business stakeholders for feedback and status updates

Apply software engineering best practices, including clean code, testing and design principles

Requirements

5+ years of experience developing enterprise-level Java/JEE web applications (Java 21 preferred)

Strong knowledge of ReactJS (React 16+) and Vite

Proficiency in Spring Boot, Maven and REST API development

Experience with Spring Security and Hibernate

Strong PostgreSQL expertise and SQL skills including query optimization and database design

Familiarity with Azure Web Apps and Azure Kubernetes Service (AKS)

Experience working with Ansible for configuration and deployment

Solid understanding of clean code principles, testing strategies and software design patterns

Professional fluency in English; German is a strong plus

Nice to have Familiarity with legacy technologies such as Java 8, Struts or Oracle SQL

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