.NET Developer with CMS experience (Sitefinity)

Role description

Job Title: .NET Developer with CMS Experience (Sitefinity)

Location: Poland

Work Mode: Remote

Type of Engagement: Individual Contract or UoP

About the Role

UST Global is seeking a .NET Developer with CMS experience (Sitefinity) to support the development and maintenance of enterprise web platforms.

This role focuses on building and customizing web applications using ASP.NET technologies, with a strong emphasis on integration, content management, and scalable web solutions within a CMS environment.

Working hours: 14:00 - 23:00 Polish time (7:00 AM - 4:00 PM CST timezone).

Key Responsibilities

• Develop, customize, and maintain web applications using .NET technologies and Sitefinity CMS.
• Build scalable and high-performance web solutions using C# and ASP.NET MVC / ASP.NET Core.
• Create and maintain server-side rendered UI using HTML, CSS, JavaScript, and Razor views.
• Design and integrate RESTful APIs and connect with third-party services.
• Work with SQL Server for data storage, querying, and troubleshooting.
• Implement best practices for authentication, authorization, application security, and performance optimization.
• Manage source code using Git, following standard branching strategies.
• Contribute to and support CI/CD workflows and deployment processes.
• Collaborate with DevOps and cross-functional teams on environment setup and releases.
• Ensure adherence to modern web standards, including caching strategies and OWASP security practices.
• Support and enhance CMS functionality, including content workflows, media management, and content structure.

What You Will Bring

• Strong experience with C# / .NET.
• Hands-on experience with ASP.NET (MVC) and/or ASP.NET Core.
• Solid knowledge of HTML, CSS, and JavaScript.
• Experience with Razor (server-side rendering in .NET).
• Understanding of REST APIs / JSON integrations.
• Basic experience with SQL Server (queries, data handling).
• Familiarity with Git (branching strategies, version control).
• Experience with CI/CD pipelines and deployment workflows.
• Understanding of web fundamentals (authentication, authorization, caching, performance, security).
• Experience with Sitefinity CMS (or any CMS platform).
• Basic knowledge of AWS (EC2 or similar environments).

Nice to Have

• Exposure to cloud environments (AWS/Azure).
• Familiarity with data/analytics tools (e.g., Power BI, DBT, Alteryx).

Skills

C#, .NET, JavaScript, JSON

About UST

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.