Senior Software Developer (C#/.NET)

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Senior Software Developer (VP) – (Corporate Investment Banking industry)

Are you a hands-on developer with strong C#/.NET expertise and experience working directly with trading desks? This is a software proximity position where you’d be building and supporting real-time trading tools used directly by Front Office teams, working closely with traders and quants in a fast-moving live trading environment.

Why this role?

This is a true front-office technology position where you will:

  • Work directly with traders, sales, and quants
  • Build applications that are used in live trading environments
  • Take ownership from idea through to production and support
  • Operate in a fast-paced, high-stakes banking environment

Key requirements (must-have)

  • Strong experience in C# / .NET development
  • Solid banking background with exposure to Front Office environments
  • Good understanding of derivatives and options (Greeks, pricing, curves)
  • Experience within Commodities markets (highly preferred)
  • Mid–Senior level experience with proven ownership of systems

What you’ll be doing

  • Partner with Front Office users to gather, analyse, and anticipate business needs
  • Design and deliver custom proximity applications for trading and risk
  • Evaluate and propose multiple technical solutions to support business decisions
  • Build and maintain robust, scalable systems in a production environment
  • Provide hands-on support for business-critical trading tools
  • Drive continuous improvement through enhancements, bug fixes, and optimisation
  • Contribute to architecture and technical design decisions
  • Collaborate with Quants, MO/BO teams, and global IT stakeholders

Technical environment

  • C# / .NET Core, Entity Framework
  • Angular (nice to have)
  • SQL Server, MongoDB
  • Microservices & containerisation

What sets you apart

  • You understand both technology and markets
  • You’re comfortable in fast-moving, high-pressure environments
  • You take a pragmatic, solution-driven approach
  • You enjoy being close to the business and decision-making

The opportunity

You’ll be part of a global Commodities IT team building a resilient and scalable trading ecosystem, with direct visibility and impact across the business.

Apply now

If you’re a mid-to-senior developer with a banking background looking to step deeper into the front office and Commodities space, this is a standout opportunity.

#J-18808-Ljbffr”, “datePosted”: “2026-05-09”, “hiringOrganization”: { “@type”: “Organization”, “name”: “LevelUP HCS”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__428054040__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: LevelUP HCS
Apply for the Senior Software Developer (C#/.NET)
Location: London
Job Description:

Senior Software Developer (VP) – (Corporate Investment Banking industry)

Are you a hands-on developer with strong C#/.NET expertise and experience working directly with trading desks? This is a software proximity position where you’d be building and supporting real-time trading tools used directly by Front Office teams, working closely with traders and quants in a fast-moving live trading environment.

Why this role?

This is a true front-office technology position where you will:

  • Work directly with traders, sales, and quants
  • Build applications that are used in live trading environments
  • Take ownership from idea through to production and support
  • Operate in a fast-paced, high-stakes banking environment

Key requirements (must-have)

  • Strong experience in C# / .NET development
  • Solid banking background with exposure to Front Office environments
  • Good understanding of derivatives and options (Greeks, pricing, curves)
  • Experience within Commodities markets (highly preferred)
  • Mid–Senior level experience with proven ownership of systems

What you’ll be doing

  • Partner with Front Office users to gather, analyse, and anticipate business needs
  • Design and deliver custom proximity applications for trading and risk
  • Evaluate and propose multiple technical solutions to support business decisions
  • Build and maintain robust, scalable systems in a production environment
  • Provide hands-on support for business-critical trading tools
  • Drive continuous improvement through enhancements, bug fixes, and optimisation
  • Contribute to architecture and technical design decisions
  • Collaborate with Quants, MO/BO teams, and global IT stakeholders

Technical environment

  • C# / .NET Core, Entity Framework
  • Angular (nice to have)
  • SQL Server, MongoDB
  • Microservices & containerisation

What sets you apart

  • You understand both technology and markets
  • You’re comfortable in fast-moving, high-pressure environments
  • You take a pragmatic, solution-driven approach
  • You enjoy being close to the business and decision-making

The opportunity

You’ll be part of a global Commodities IT team building a resilient and scalable trading ecosystem, with direct visibility and impact across the business.

Apply now

If you’re a mid-to-senior developer with a banking background looking to step deeper into the front office and Commodities space, this is a standout opportunity.

#J-18808-Ljbffr…

Posted: May 9th, 2026