Senior Software Engineer – C# – (Hybrid Remote)

Company: IRIS Software Systems Ltd
Apply for the Senior Software Engineer – C# – (Hybrid Remote)
Location: London
Job Description:

About IRIS IRIS is a leading hospitality technology company delivering digital guest experience platforms used by global hotel brands including Marriott, Hilton, Mandarin Oriental, IHG and Four Seasons. Our cloud-based Guest Experience Platform (GXP) powers food and beverage ordering and guest services across web, mobile and in-room devices, enabling hotels worldwide to deliver seamless digital experiences.

We are looking for a Senior Software Engineer (.NET) to join our Microsoft Azure-based development team and play a key role in shaping the future of our cloud platform.

This is a hands-on role where you will design, build and enhance scalable applications used by global hospitality brands.

NET Framework, .NET Core, Microsoft Azure, REST APIs, WebSockets, T-SQL, Git, Azure DevOps

NET applications (.NET Framework and .NET Core) and cloud services, ensuring they are functional, scalable and well-architected Participating in the full software development lifecycle, including analysis, design, development, automated testing and deployment Contributing to architecture discussions and helping to troubleshoot system-wide challenges as part of a collaborative engineering team Managing development workflows using tools such as Azure DevOps and GitHub Supporting and improving CI/CD pipelines, including build and deployment automation Ensuring applications are fully tested through unit and integration testing, maintaining high standards of code quality Contributing to Agile ceremonies including sprint planning, retrospectives and demos, and maintaining clear technical documentation

Strong commercial experience with .NET development (ideally 4+ years), including .NET Framework and .NET Core Solid understanding of object-oriented programming principles and design patterns (e.g. dependency injection) Proficiency in SQL (T-SQL), database design and performance optimisation Good understanding of core web technologies including HTML, CSS and JavaScript Experience working in Agile environments and contributing to collaborative, fast-paced teams Competitive salary depending on experience~25 days holiday plus bank holidays and an additional day off for your birthday~ Annual performance reviews and structured personal development planning~ Flexible working hours (40 hours per week) to support work-life balance~ Hybrid working model, with a mix of remote and office-based collaboration~ Company pension scheme~ Fully serviced office with 24/7 access, including refreshments~ Regular company socials and team events~ Opportunity to work on innovative products used by globally recognised hospitality brands…

Posted: May 28th, 2026