Remote C# .NET Backend Engineer for eCommerce

Onyx-Conseil; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

Onyx-Conseil is seeking a Fullstack Backend Developer with C# .NET to drive the ongoing development of an eCommerce site and internal applications for a travel company. You will lead the eCommerce tech direction and collaborate with frontend and design to deliver improved UI/UX, automate processes, and implement automated testing.

The role requires strong ASP.NET/C#, HTML/JS, and database experience, with familiarity in Umbraco, Azure, REST APIs, and CI/CD pipelines.

Qualifications

• Strong knowledge of ASP.NET and C#, underpinning eCommerce and internal apps.
• Frontend and UI/UX collaboration with designers.
• Experience with cloud services (Azure) and deployment pipelines.
• Familiarity with REST APIs, OpenAPI/swagger, and data formats (JSON/XML/SOAP).
• Experience with CI/CD tools and automated testing.
• Understanding of SOLID principles and modular architecture.

Responsibilities

• Lead eCommerce web and app development from a technical perspective.
• Collaborate with frontend and design to improve UI/UX.
• Analyze and propose improvements to existing features.
• Automate processes and implement automated regression testing.

Skills

ASP.NET

C#

HTML

JavaScript

jQuery

React Framework

MS SQL Server

Mongo DB

Elasticsearch

SOLID

Umbraco CMS

CI/CD

Git

GitHub

Team City

Octopus

Jenkins

Selenium

Azure

JIRA

Confluence

REST APIs

OpenAPI/swagger

JSON/XML/SOAP

PowerBI

PowerQuery

R

Tools

Azure

JIRA

Confluence

Job description

Onyx-Conseil is seeking a Fullstack Backend Developer with C# .NET to drive the ongoing development of an eCommerce site and internal applications for a travel company. You will lead the eCommerce tech direction and collaborate with frontend and design to deliver improved UI/UX, automate processes, and implement automated testing.

The role requires strong ASP.NET/C#, HTML/JS, and database experience, with familiarity in Umbraco, Azure, REST APIs, and CI/CD pipelines.