CareerPlan

Senior Backend Developer (m/f/x)

Vienna, atFull-time80k2026-10-30 → 2026-11-11
On-site

Core

Design high-performing Java-based services in a complex system landscape for a sports betting and online gaming business.

Role type

Senior Backend Developer

Builds

Modern software solutions and new technology stack components

Domain

FinTech / Sports Betting / Online Gaming

Deliverable

production ML models | product features

Required skills

Java 18-25, .NET, AWS, Azure, MongoDB, ClickHouse, analytical SQL, Linux, containerization, database performance engineering, query optimization, fault-tolerant architecture design

Preferred skills

Experience processing money transactions in Casino/Sportsbook/FinTech, knowledge of virtualization

Technologies

Java, .NET, AWS, Azure, MongoDB, ClickHouse, Linux

Responsibilities

Design and implement modern software solutions, maintain legacy systems, document software architectures, coach junior team members, conduct code reviews

Seniority

Senior, hands-on IC