Junior Developer C#

Company: Quant Capital
Apply for the Junior Developer C#
Location: London
Job Description:

Overview

As a Junior Fullstack Developer, you will contribute to a third-generation .NET web application suite while gradually phasing out older Backbone Marionette components. You’ll work in small, cross-functional teams to design, implement, and maintain mission-critical services using .NET, SQL, and React-based UI. You will be involved in the full software lifecycle from analysis to support, delivering reusable .NET and React code. This role offers exposure to a cutting-edge market and modern tech stack, with opportunities to grow into broader front-end and back-end responsibilities. You will join a dynamic, performance-driven environment that values clear communication and technical excellence.

Responsibilities

  • Design and implement mission-critical services and applications using the .NET Framework and SQL technologies
  • Lead projects through analysis, design, coding, testing, implementation, and support
  • Design, build, and maintain efficient, reusable .NET and React code

Key requirements

  • 2:1 Computing Science degree from an EU University
  • ASP.NET MVC
  • Production experience with an ORM (Dapper or Entity Framework 6)
  • Experience with ASP.NET WebAPI endpoints in C#
  • Solid knowledge of JavaScript and/or C#
  • Exposure to structured frameworks such as React, Ember, or Angular is a plus
  • Knowledge of SOLID principles; IoC containers like AutoFac; or SoA experience (advantage)
  • excellent communication skills
  • ASP.NET MVC
  • ASP.NET WebAPI
  • C#
  • JavaScript
  • React (exposure welcome but not required)

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Posted: October 1st, 2026