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# Junior C# Developer - Fintech

- **Company:** Colleaguesthe
- **Location:** London, UK
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Agile Methodology, C Sharp (Programming Language), Protocol Buffers, Windows Presentation Foundation, Octopus Deploy, SignalR, SQL Databases, WebSocket, Concurrency, Api Design, Software Version Control
- **Published:** September 21, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/junior-c-developer-fintech/47799910

## About the Role

interest in where it adds valueSolid understanding in at least one version control systemThe successful individual will join a small team working directly with the Head of development. My client is growing rapidly as they expand the audience for their products. I am looking for someone who can grow with the team, in responsibility and/or technological prowess - and make a significant contribution to the products we are developing. In our informal technology team office, we offer a quiet, friendly environment with break-out rooms for planning and discussion.Work in an Agile environmentAmazing opportunities to learn through regular tech talks, training and HackathonsJoin a company with strong market presenceExcellent benefits and a commitment to work life balanceRegular social events and opportunities to get to know your colleaguesThe client offers a bonus to all employees as a result of performance from day 1.My client is based in Central London flex working
is a given from now on.Tech: Junior C#, .Net, F#, WPF, SignalR/websockets, Protocol Buffers, Octopus, Autofac, SQL ServerChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Prop Trading Firm , City of London, 40 man flat Dev Team

## Description

systems which will be used by Risk, Mid-Office and Trading departments in a fast moving trading environment. The systems you build will require your skills in multithreading, concurrency, performance profiling and optimization. We are looking for potential not experience.You will be responsible for the full development lifecycle, where you will get a lot of freedom to decide on code base, technology and architecture. The more knowledge you gain about the business, the more opportunity you get to partner with the business. With direct access to end users, you will see your results in production and get immediate feedback. You will be part of an agile team and you will get a chance to work with the latest technologies on the latest applications and learn from highly educated and experienced colleagues.C# Developers MUST have:DegreeC#.Net ideally with Desktop or Enterprise App type ExposureHopefully solid design, coding, testing and debugging skills.An understanding of WPF or at least and


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