Senior Umbraco Developer (.NET + Commerce)

Engineering & Development
|
Senior
Senior
Montenegro
Czech Republic
Slovakia
Europe
|
Montenegro
Czech Republic
Slovakia
Europe
open
March 31, 2025

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!

The project and your role

In this role, you will focus one DX  development, and 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

Your skills

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+)
  • http://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

What we can offer

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
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Our Hiring Process

Getting started with us

Here's what you can expect when you send us your application

Step 0

Tech Talent Hunt

Be scouted or apply for your role

Step 1

Meeting & Connecting

Our first step to building lasting relationships

Step 2

Uncovering Potential

Your HR interview

Step 3

The Code Challenge or Technical Interview

It's time to show what you can do best!

Step 4

Client’s Interview

Demonstrating expertise to our future partners

Final

The Last Piece of the Puzzle

Job offer to finalize our tech team

Join our team of innovative thinkers

Let’s talk!

Have any questions? Fill out the form and our team will be in touch!

Let’s talk!

Have any questions? Fill out the form and our team will be in touch!