CareerPlan

Backend Developer (m/f/d)

WienFull-time€56k2026-09-11 → 2026-10-11
Hybrid · Austria

Core

Build, scale, and optimize core backend systems and AI-integrated workflows for Europe's leading outdoor activity platform.

Role type

Senior Backend Developer (Java/Spring Boot)

Builds

Event-driven microservices, AI-agent workflows, and scalable backend infrastructure

Domain

Travel technology, outdoor activities, cloud-native systems

Deliverable

production ML models

Required skills

Java, Spring Boot, reactive programming, MySQL, relational database design, CI/CD, Docker, Jenkins, AWS, GCP, Claude Code, AI coding agents

Preferred skills

MongoDB, Elasticsearch, Redis, Project Reactor

Technologies

Java, Spring Boot, Reactor, MySQL, MongoDB, Elasticsearch, Redis, AWS, GCP, Docker, Jenkins, Claude Code

Responsibilities

Design and deploy scalable backend services; integrate and manage AI coding agents in the development workflow; write clean, tested code; optimize platform performance and architecture; resolve operational challenges; collaborate cross-functionally to deliver product features

Seniority

Senior, hands-on IC