Senior Full Stack Developer (with React)

EPAM Systems; Zürich; On-site; CHF 120,000 - 160,000; Full time

Job summary

EPAM Systems, Inc. is seeking a Senior Full Stack Developer to join our Zurich team in a hybrid work model.

You will contribute to modernizing credit decision technology by building scalable Java Spring Boot backends and ReactJS frontends for a new platform replacing an existing credit decisions application. You will also implement CI/CD-ready code for Azure environments, create deployment playbooks with Ansible, and define REST API boundaries while coordinating with stakeholders.

Qualifications

• 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.

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.

Skills

Java/JEE web apps

ReactJS

Spring Boot

REST API

SQL & PostgreSQL

Azure

Ansible

Clean code & testing

English fluency

Tools

Maven

Kafka

Azure AKS

Docker

Job description

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