Senior .NET Engineer — Build Scalable Hospitality Apps

Its Lolly Limited.; Essex; On-site; GBP 65,000 - 90,000; Full time

Job summary

Its Lolly Limited is seeking a Senior Software Engineer to lead the design, development and maintenance of high-quality software solutions for the hospitality technology sector. The role focuses on C#, Windows App and Web development, IIS configuration, and SQL Server management, with collaboration across cross-functional teams to deliver scalable systems.

The ideal candidate brings 5+ years in a senior engineering role, deep expertise in .NET Framework 4.8.1 and .NET Core, and a strong grasp of

Qualifications

• 5+ years as a Senior Software Engineer or similar role (C# / WPF .NET & REST APIs).
• Strong expertise with .NET Framework 4.8.1 and .NET Core v8+.
• Solid understanding of design patterns and best practices.

Responsibilities

• Develop and implement complex software solutions across multiple platforms.
• Troubleshoot, debug, and resolve technical issues.
• Collaborate with product managers, designers and developers to define and implement innovative features.
• Ensure performance, security, and scalability of the software.
• Write clean, maintainable, efficient code.
• Participate in the full software development lifecycle from requirements to deployment.

Skills

C#

WPF/.NET

ASP.NET Web

REST APIs

SQL Server

IIS

Team leadership

Agile DevOps

Job description

Its Lolly Limited is seeking a Senior Software Engineer to lead the design, development and maintenance of high-quality software solutions for the hospitality technology sector. The role focuses on C#, Windows App and Web development, IIS configuration, and SQL Server management, with collaboration across cross-functional teams to deliver scalable systems.

The ideal candidate brings 5+ years in a senior engineering role, deep expertise in .NET Framework 4.8.1 and .NET Core, and a strong grasp of