Platform Backend Engineer: Spring Boot & Kotlin for Banking

Erste Digital GmbH; Wien; On-site; EUR 58,000 - 71,000; Full time

Benefits offered by this job

Health Center

Employee benefits

Employee Referral Program

Job summary

Erste Digital GmbH in Austria is hiring Backend Engineers to power the George platform, serving millions of customers across Central and Eastern Europe. You will evolve our frameworks, build CI/CD tooling, and strengthen observability with clean abstractions and robust testing.

The role emphasizes collaboration across teams, high impact, and a pragmatic, quality-focused mindset. Fluent English is required; experience with Spring Boot, Kotlin, and modern CI/CD practices is preferred.

Qualifications

• Strong professional experience in backend development with Spring Boot
• Solid hands-on experience with Kotlin
• Good understanding of REST APIs, build tooling (Gradle), and modern CI/CD practices
• A pragmatic, quality-focused mindset, clean code, testing, and clear communication
• Fluent English (written and spoken)

Responsibilities

• Evolve our frameworks, work on platform capabilities and services
• Build and maintain CI/CD tooling and automation
• Improve observability and tracing across the platform
• Collaborate cross-team, run PoCs, and share knowledge.

Skills

Backend development

Spring Boot

Kotlin

REST APIs

CI/CD

Observability

Kafka

Kubernetes

AWS

Developer tooling

Tools

Gradle

Kubernetes

AWS

CI/CD tooling

Observability tools

Job description

Erste Digital GmbH in Austria is hiring Backend Engineers to power the George platform, serving millions of customers across Central and Eastern Europe. You will evolve our frameworks, build CI/CD tooling, and strengthen observability with clean abstractions and robust testing.

The role emphasizes collaboration across teams, high impact, and a pragmatic, quality-focused mindset. Fluent English is required; experience with Spring Boot, Kotlin, and modern CI/CD practices is preferred.