Sr Umbraco Developer (.NET + Commerce)

About the Company

First Line Software works with some of the world's top businesses and organizations in industries like healthcare, data engineering, warehouse automation, retail digitalization, mobile app development, and e-commerce. Our projects are as varied as our people, and our people are as talented as they come. We prefer working as a transparent and supportive team, who shares our knowledge as well as our success.

Let's see what we can create together.!

Project Information:

• Sr Umbraco Developer (.NET + Commerce)

• DX development, build modern and responsive web applications and high-quality digital experiences using Umbraco CMS + Commerce and .NET

Responsibilities:

• Develop and maintain websites and e-commerce solutions based on Umbraco CMS

• Integrate third-party systems via APIs

• Participate in architecture and planning discussions

• Optimize website performance and ensure cross-browser compatibility

• Collaborate with UI/UX designers and QA engineers

• Write documentation and technical specifications

• Support deployment and release processes

Requirements:

• 5+ years of professional experience with .NET and CMS development

• 3+ years of deep, hands-on experience with Umbraco CMS

• Proven experience with e-commerce platforms (Vendr, Ucommerce, etc.)

• Solid knowledge of modern software architecture and design patterns

• Ability to drive technical decisions and lead development efforts

• Strong mentoring skills and experience with code reviews

• Excellent problem-solving and communication skills

• English: Upper-Intermediate (B2+) or higher

Must have:

• Umbraco CMS (v9+, ideally v10+)

• ASP.NET Core (.NET 6/7/8)

• Umbraco Commerce (Vendr or similar e-commerce tools)

• Razor, MVC

• RESTful APIs (design & integration)

• SQL Server (schema design, stored procedures, performance tuning)

• Git and Git-based workflows

Nice to have:

• Azure DevOps, CI/CD pipelines

• Headless or hybrid CMS architecture

• Frontend frameworks (Vue.js)

• Docker, containerized development

• Unit testing and integration testing (xUnit, NUnit)

• Search solutions (Examine, Azure Cognitive Search, Elastic)

• Familiarity with MACH/composable DXP architecture

The FLS difference

• Our modern stack projects are the right mix of exciting and challenging

• Gain access to our diverse range of training programs, courses, and certifications

• Choose your work style - remote, on-site or hybrid in one of our stunning offices. We offer the freedom of flexible working hours

• Enhance your language skills with our corporate English classes

• Work from anywhere and explore the world with our Workation program