C# Desktop Developer Fintech

Overview

In this role you will contribute to a greenfield trading platform, shaping core desktop software for a well-known commodity trading firm. You’ll work within a small engineering team, directly alongside the Head of Development, to deliver robust C#/.NET solutions and API integrations. You will tackle challenging problems at the intersection of trading and fintech, leveraging a modern tech stack to scale capabilities. The environment is fast-paced yet supportive, with opportunities to learn via tech talks, training, and hackathons. This is a hands-on, impact-focused role with clear career growth and competitive rewards.

Pay / Benefits

• bonus (around 20%)
• pension
• life/health insurance
• training budget
• flexible working
• strong benefits package

Responsibilities

• Build and evolve a greenfield trading platform on desktop
• Develop and integrate APIs to connect with external systems
• Collaborate in an Agile environment with cross-functional teams
• Implement and maintain WPF-based desktop applications
• Contribute to design patterns and software architecture decisions
• Participate in code reviews and knowledge sharing
• Engage with the Head of Development to align with product strategy
• Support bi-directional integrations with external platforms

Key requirements

• C#
• Net
• WPF
• F# (learn/usage)
• SQL
• MVC 5
• Entity Framework
• Web API
• Design Patterns
• SignalR/Websockets
• Protocol Buffers
• Octopus
• Autofac
• SQL Server

• team collaboration
• quick learner
• problem-solving mindset
• C#/.NET
• WPF desktop UI
• API development

Full job description from WhatJobs. Apply for this role →