Senior Software Developer (f/m/d)

Senior Software Developer (f/m/d)

* Greentube GmbH
* Vienna
* Presence / Mobile
* Published: 2026-04-16

The Senior Software Developer role contributes to the development and evolution of the core backend services of our gaming platform. The team works on modern, scalable systems that support data‑intensive applications used across multiple products. The role is part of a highly skilled, collaborative engineering environment focused on reliability, maintainability, and long‑term system evolution.

Your tasks

* Design and develop a clean, scalable, service‑oriented architecture in collaboration with the team and the Solution Architect
* Translate architectural plans into concrete design proposals and robust, high‑quality .NET implementations
* Take end‑to‑end ownership of components, from design and implementation through testing, deployment, and operation
* Contribute actively to architectural discussions and technical reviews to support robust technical decisions
* Support internal consumers of the platform and collaborate closely with technical support during support sprints and on‑call duties
* Mentor colleagues, contribute to a high standard of engineering quality, and foster knowledge sharing and continuous improvement

Your profile

* Completed higher technical education or comparable professional experience
* 5+ years of professional software development experience
* Strong backend development experience with modern .NET and C#
* Solid understanding of service-oriented and/or microservices architectures
* Experience building and maintaining data-intensive backend applications and ETL solutions
* Good understanding of event-driven systems and asynchronous processing
* Experience working with relational and nonrelational databases, ideally SQL Server, PostgreSQL, or MongoDB
* Solid understanding of modern frontend development using TypeScript and CSS frameworks
* Very good command of spoken and written English and experience working in Agile teams, preferably Scrum

Our offer

We believe great work happens when people feel supported, inspired, and balanced. By supporting our employees, we create an environment where everyone thrives and reaches their full potential. That's why we provide:

* Flexible working hours and a hybrid work model, supported by a strong culture of work-life balance
* A dedicated training budget to explore new skills, deepen expertise, and actively shape career development
* A welcoming office atmosphere at the Vienna HQ with fresh fruit daily, a wide selection of teas, fair-trade coffee, and meals at a company-subsidized restaurant
* Subsidized public transportation, along with access to pool e-bikes and e-cars for business and personal use
* Numerous opportunities to stay active and connected, including an on-site fitness room, MyClubs app points, and regular sports and company events
* Attractive local employee discounts and healthcare benefits that support everyday well-being
* The minimum gross annual salary for this position according to the applicable collective agreement is EUR70,000 (full-time basis). A higher salary is possible depending on qualifications and experience

About Greentube

Greentube GmbH, the global interactive unit of NOVOMATIC, is a leading developer and supplier of iGaming solutions. Greentube is a wholly-owned subsidiary of the NOVOMATIC Group, one of the biggest producers and operators of gaming technologies and one of the largest integrated gaming companies in the world. Greentube's industry leading omni-channel technology allows the convergence of online, mobile and land-based games. The well-diversified product portfolio includes Classic Slots, Table Games, Live Dealer Gaming, AWP Reloaded Slots, Server-Based Gaming, Social Casino Gaming, Bingo and more.

Greentube GmbH
Wiedner Hauptstraße 94, 1050 Wien
www.greentube.com

Georgina Hesling
Talent Acquisition Specialist