Senior Backend Developer with C# .net

Onyx-Conseil; Greater London; On-site; GBP 55,000 - 80,000; Full time

Job summary

Onyx-Conseil is seeking a Senior Backend Developer with strong C#/.NET skills to lead our ecommerce web and internal application development. You will work with frontend and design teams to enhance UI/UX, analyse existing features, and automate processes with business leads.

The role also involves implementing automated regression tests to ensure quality. The client is based in Central London with remote work options.

Qualifications

• Strong backend development using ASP.NET and C#.
• Experience with MS SQL Server and MongoDB.
• Familiar with Agile/Kanban and Jira/Confluence.
• Experience with REST APIs and API documentation (OpenAPI/Swagger).
• Experience with automated testing (TDD/BDD) and CI/CD pipelines.

Responsibilities

• Lead the ecommerce web and application development from a technical perspective.
• Collaborate with frontend and design to improve UI and UX.
• Analyse and improve existing website features.
• Automate processes with business leads.
• Implement automated regression testing for the software.

Skills

ASP.NET

C#

HTML

JavaScript

jQuery

React

MS SQL Server

MongoDB

Elasticsearch

SOLID

Umbraco

CI/CD

Git

GitHub

TeamCity

Octopus

Jenkins

Selenium

Azure

Jira

Confluence

REST APIs

OpenAPI/Swagger

JSON/XML/SOAP

PowerBI

PowerQuery

R

TDD/BDD

Agile/Kanban

Tools

Git

GitHub

TeamCity

Octopus Deploy

Jenkins

Selenium

Azure

OpenAPI

Swagger

Job description

SeniorBackend Developer with C# .net

Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company.

You will be responsible for:

• Leading the eCommerce web and application development from a technical perspective
• Collaborating with the front end developer and design resource to deliver improved UI & UX
• A problem solver - you'll need to be able to analyse and suggest improvements to existing website features
• Analysing and identifying ways to automate processes working alongside the business lead
• Implementing automated regression testing for the software developed

Skills and Experience:

• Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch
• Understanding of SOLID development principles
• Worked previously on projects using the Umbraco CMS
• Continuous Delivery skills, tools and techniques (e.g. Git, Github, Team City, Octopus, Jenkins, Selenium, etc.)
• Familiar with Azure cloud services & setting up/managing resources/deploying apps
• Familiar with JIRA and Confluence
• Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP
• Experience of PowerBI, PowerQuery and R
• Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development)
• A positive and cooperative individual who will work effectively across departments and within a team
• Worked in an agile/Kanban environment and familiar with JIRA and confluence
• Not afraid to challenge existing thinking in order to improve processes

The Client will consider candidates with solid Backend development skills without Umbraco.

The salary for this role will be in the range £55K to £80K per year depending on experience.

The Client is based in Central London and this role will be working remotely.