Senior Full Stack Developer (with React)

EPAM Systems; Schweiz; On-site; EUR 149,000 - 191,000; Full time

Job summary

EPAM Systems in Zurich is seeking a Senior Full Stack Developer to help modernize credit decision technology. You will build Java/Spring Boot backends and React frontends for the new platform, and define REST APIs while collaborating with stakeholders to ensure reliable operations.

The role requires 5+ years of enterprise Java/JEE experience, strong ReactJS, Spring Boot, Maven, PostgreSQL, and cloud familiarity with Azure and AKS. Fluency in English is required; German is a plus.

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.
• 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.

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

ReactJS

Spring Boot

REST API

SQL

Azure

Kafka

Ansible

Hibernate

Maven

English

Tools

Azure Web Apps

AKS

Maven

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