Senior Software Engineer (Backend) - .NET (All genders)

Sports betting, gaming and interactive entertainment is changing, and we’re leading that change. By putting people first. By placing exciting, engaging and entertaining experiences at more fingertips than ever before. We're pulling into pole position by pushing boundaries further. With innovation. With technology. But most importantly, with people like you. Because when you join Entain, it’s your game. So, let’s win together. As a Senior Software Engineer, you will design, develop, deploy, and maintain software features in Backend domains. Reporting to the Software Engineering Team lead, you'll be part of the Product & Technology Team, ensuring systematic and efficient development through all stages of the Software Development Lifecycle. Are you ready to be a part of our journey delivering excellence and collaborating with one of the world's biggest online gaming and entertainment groups? What you will do Develop and deliver well-defined, moderately complex features. Debug and resolve issues across development, testing, and production environments. Write high-quality, scalable, and reusable code following best practices. Manage team meetings and RFC processes for proposing changes and improvements. Act as the initial on-call responder for team-managed software. Collaborate with team members, support new junior engineers, and mentor Software Engineers. Participate in hiring, prioritise intra-team initiatives, and contribute to process improvements. Expert knowledge of basic C# concepts like the usage of extension methods, access modifiers. A strong understanding of object-oriented design, usage of polymorphism and inheritance. Solid experience with the latest .NET Framework features and technologies (C#, .NET, .NET Core, BCL). A deep understanding of multithreading and concepts, such as async and parallel programming. Proficient in software testing processes and tools – unit testing and load/performance testing. Good experience with WebApi development (REST, gRPC). Proficient in service communication via Messaging solutions like TIBCO, Kafka or RabbitMQ. Solid experience with advanced database concepts like indexes and transaction isolation levels. Good experience in troubleshooting performance related incidents with the help of diagnostic tools such as OpenTelemetry or Grafana. At Entain, we know that signing top players requires a great starting package, and plenty of support to inspire peak performance. Join us, and a competitive salary is just the beginning. Based in our Vienna office, you can expect to receive benefits like Minimum salary €65,000 Annual Group Bonus Plan Food vouchers – 136 EUR per month (working full time) Annual Holiday – 5 weeks per year, plus local public holidays Additional ‘It’s Your Game’ day off – 1 day Entain & Enhance days – 2 paid days off to focus on your professional or personal development Life Insurance / Personal Disability Insurance / Critical Illness Insurance Hybrid working – 2+ days in the office Sharesave Scheme Paid subscription to the mental wellbeing app Unmind and the training portal Udemy Referral Program Amazing social events and EOY party Special day(s) off: birth of child, marriage, moving household, etc. Special offers / reductions: pharmacy, Magenta, Erste Bank And outside of this, you’ll have the chance to turn recognition from leaders and colleagues into amazing prizes, join a winning team of talented people and be a part of an inclusive and supporting community where everyone is celebrated for being themselves. Should you need any adjustments or accommodations to the recruitment process, at either application or interview, please contact us. Equal Opportunities. If you need any reasonable adjustments at any stage of the recruitment process, please contact us and we'll support you. We're committed to creating a diverse, equitable and inclusive workplace where everyone feels valued, respected and able to be themselves. We're an equal opportunities employer. We welcome applications from everyone and we do not discriminate based on race, colour, nationality, ethnic or national origin, religion or belief, sex, gender identity or expression, sexual orientation, age, disability, marital or civil partnership status, pregnancy or maternity, or any other status protected by law. We comply with all applicable recruitment regulations and employment laws in the jurisdictions where we operate, ensuring ethical and compliant hiring practices globally.