Senior Software Developer (C#/.NET) in London
Senior Software Developer (C#/.NET)

Senior Software Developer (C#/.NET) in London

London Full-Time 60000 - 80000 £ / year (est.) No home office possible
LevelUP HCS

At a Glance

  • Tasks: Build and support real-time trading tools for Front Office teams.
  • Company: Dynamic corporate investment banking firm with a focus on technology.
  • Benefits: Competitive salary, hands-on experience, and opportunities for growth.
  • Other info: Join a global team and enhance your career in the Commodities market.
  • Why this job: Make a real impact in a fast-paced trading environment while collaborating with traders.
  • Qualifications: Strong C#/.NET skills and a solid banking background are essential.

The predicted salary is between 60000 - 80000 £ per year.

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.

Senior Software Developer (C#/.NET) in London employer: LevelUP HCS

As a Senior Software Developer in our Corporate Investment Banking division, you will thrive in a dynamic and collaborative environment where innovation meets high-stakes trading. We offer competitive benefits, a culture that values continuous learning and growth, and the unique opportunity to work directly with traders and quants, ensuring your contributions have a direct impact on our trading operations. Join us to be part of a global team dedicated to building cutting-edge trading tools in a fast-paced setting that fosters both professional development and meaningful engagement with the business.
LevelUP HCS

Contact Detail:

LevelUP HCS Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Developer (C#/.NET) in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the banking and trading sectors. Attend industry meetups or webinars to meet potential employers and get your name out there. Remember, it’s all about who you know!

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your C#/.NET projects, especially those related to trading tools. This will give you an edge and demonstrate your hands-on experience directly to hiring managers.

✨Tip Number 3

Prepare for technical interviews by brushing up on your knowledge of derivatives and options. Be ready to discuss how you've applied your skills in real-time trading environments. We want to see that you can think on your feet!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect with us directly.

We think you need these skills to ace Senior Software Developer (C#/.NET) in London

C#
.NET
Banking Background
Front Office Exposure
Understanding of Derivatives and Options
Experience in Commodities Markets
System Ownership
Business Analysis
Application Design
Technical Solution Evaluation
Robust System Development
Production Environment Support
Continuous Improvement
Collaboration with Quants and IT Stakeholders
Microservices and Containerisation

Some tips for your application 🫡

Show Off Your Skills: Make sure to highlight your C#/.NET expertise right from the start. We want to see how your experience aligns with the role, especially if you've worked in fast-paced trading environments.

Tailor Your Application: Don’t just send a generic CV! Customise your application to reflect your understanding of derivatives and options, and how you’ve contributed to similar projects in the past. This helps us see you as a perfect fit for our team.

Be Clear and Concise: When writing your application, keep it straightforward. We appreciate clarity, so avoid jargon unless it’s relevant. Show us your thought process and how you approach problem-solving in high-pressure situations.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates during the process!

How to prepare for a job interview at LevelUP HCS

✨Know Your Tech Inside Out

Make sure you brush up on your C# and .NET skills before the interview. Be ready to discuss specific projects you've worked on, especially those involving real-time trading tools. This will show that you not only understand the technology but also how it applies in a fast-paced banking environment.

✨Understand the Business

Familiarise yourself with the corporate investment banking landscape, particularly around derivatives and options. Knowing the basics of pricing and curves can give you an edge, as it shows you're not just a techie but someone who understands the business needs of traders and quants.

✨Prepare for Scenario Questions

Expect to face scenario-based questions that assess your problem-solving skills in high-pressure situations. Think about past experiences where you had to make quick decisions or optimise systems under tight deadlines, and be ready to share those stories.

✨Show Your Collaborative Spirit

This role involves working closely with various teams, so highlight your experience in collaboration. Be prepared to discuss how you've partnered with Front Office users or other stakeholders to gather requirements and deliver solutions that meet their needs.

Senior Software Developer (C#/.NET) in London
LevelUP HCS
Location: London

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