Backend Developer (m/f/x)

5G Systems GmbH; Wien; On-site; EUR 54,000 - 66,000; Full time

Benefits offered by this job

Corporate Benefits

Team events

International exposure

Job summary

5G Systems, based in Vienna, is seeking a Backend Developer to design and implement high-performing Java-based services in a dynamic system landscape. You will shape solutions using Spring Boot/Vert.X, contribute to a modern tech stack, and maintain legacy systems.

You will operate in a cloud-first environment with AWS/Azure knowledge, strong SQL skills, and Linux proficiency. Collaboration with a multinational team and mentoring junior developers are part of the role.

Qualifications

• Bachelor's or Master's degree in Software Development or a related field.
• 2+ years of professional experience in software development.
• Experience in the Sportsbook environment is a plus.
• Strong development skills in Java 18–25 (Spring Boot/Vert.X) or .NET.
• Hands-on experience with cloud platforms (AWS or Azure).
• Strong SQL skills and database knowledge.
• Knowledge of virtualization and containerized apps (Kubernetes, Docker).
• Good knowledge of Linux, and proficient English communication.

Responsibilities

• Design high-performing Java-based services in a complex system landscape.
• Contribute to modern solutions based on Spring Boot/Vert.X and maintain legacy systems.
• Work on cloud-first architectures using AWS or Azure.
• Collaborate through the full project lifecycle from draft to production.
• Document software architectures and share knowledge across the team.
• Mentor and develop junior team members to strengthen the team.
• Participate in code reviews to improve quality and design.

Skills

Java

Spring Boot

Vert.X

.NET

AWS

Azure

SQL

Kubernetes

Docker

Linux

English

Education

Bachelor’s or Master’s Degree in Software Development

Tools

Docker

Kubernetes

AWS

Azure

Job description

We are 5G Systems, a technology company based in the heart of Vienna and part of the Tipico Group, Germany’s leading sports betting provider and part of Banijay Gaming, a European champion in sports betting and online gaming. We approach every challenge like a Championship match, with a mission to excite the arena and elevate the betting experience for every customer. Our culture is energetic and ambitious - we play as a team to win high, leave an impact, and commit to excellence. Fueled by our passion for the perfect product, we use the newest tech stack to get better every single day.

At 5G Systems, we believe in owning our game. Are you ready to shape the technology behind one of the industry's leading gaming businesses and make an impact? Then show us your game face - because we're looking for a Backend Developer (m/f/x) to join our team!

Your playing field:

• You will design high performing Java-based services in a complex system landscape
• You will be involved in the concept, design and implementation of modern solutions based on Springboot/Vert.X
• You will contribute to our new technology stack as well as maintaining the existing legacy system
• Together as one team: You will accompany software projects from draft until running them on production
• Documentation of software-architectures and know-how-transfer belongs to your tasks
• You will coach and develop more junior team members as we believe in sharing information and learning from each other - we are as strong as our team is
• Your passion for code and design reviews is your strength to make us better than we were yesterday

Which skills you should bring to the pitch:

• University Degree. Bachelor/Master's Degree and at least 2 years of proven professional experience in the area of Software Development
• Experience. In the Sportsbook Environment.
• Strong Development skills. We’re on the lookout for talented developers skilled in Java 18-25 (Spring Boot / Vert.X) or .NET who love solving complex problems and building scalable systems. You’ll be working in a cloud-first environment, so hands-on experience with AWS or Azure is key.
• Strong Database skills. Good database knowledge (Strong SQL skills)
• Knowledge of virtualization and containerized applications. Kubernetes or Docker
• Basic knowledge of Linux.
• Good knowledge of the English language. Our team consists of more than 50 different nationalities working together to achieve Tipico's mission. English is the way we communicate within the company

This is how we score with you:

• Fair remuneration. We offer a competitive salary package, the annual base salary for this position in full-time starts from 60,000 Euro. The actual offer will depend on your skills and experience and can be higher.
• Established international Group. We have a solid foundation on which you can grow.
• Responsibility. You have a responsible position in an exciting and dynamic industry at Germany’s #1
• Personal and professional development. We offer you the opportunity to develop and grow to realize your full potential.
• Team spirit. With us, you will experience a working environment with a familiar working atmosphere and regular company and team events.
• Corporate Benefits. Get access to over 1,500 exclusive offers from top brands.
• One team culture. We believe in teamwork and team spirit, but we also value the uniqueness of each and every one of us. Together we are stronger

Think a career at 5G Systems' right for you?