Senior Software Engineer

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.

The Role

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.

Tech Stack

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

Key Responsibilities

• Taking ownership of ASP.NET applications (.NET Framework and .NET Core) and cloud services, ensuring they are functional, scalable and well-architected
• Collaborating with the development team to propose, evaluate and implement new integration frameworks (including REST, SOAP and WebSockets), delivering features from a well-defined product roadmap
• Working closely with stakeholders and cross-functional teams to ensure smooth feature releases and successful product launches
• 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
• Supporting backlog refinement, effort estimation and prioritisation in partnership with Product teams
• 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

Requirements

• 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)
• Experience working in Azure environments and with distributed, cloud-first architectures (e.g. message queues, background workers)
• Strong experience with RESTful API development and system integration
• Proficiency in SQL (T-SQL), database design and performance optimisation
• Good understanding of core web technologies including HTML, CSS and JavaScript
• Experience using Git and version control best practices
• Strong problem-solving skills and attention to detail
• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical stakeholders
• Experience working in Agile environments and contributing to collaborative, fast-paced teams
• Ability to support or mentor other engineers is advantageous

Benefits

• 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