Senior C# Developer - Liquidity

Senior C# Developer - Liquidity

Hybrid Working - London - 2-3 days a week on site.

Financial Services

Lorien's leading banking client is looking for a Senior C# Developer to support the delivery of strategic applications across Liquidity, XVA and Financial Resource Management.

Working within a Front Office technology team, you will bridge the gap between business stakeholders and software engineering teams, translating complex business requirements into scalable technical solutions while supporting the ongoing migration to a modern event-driven architecture.

The Ideal candidate will have expertise with a strong hands-on C#/.NET background, enabling them to engage confidently with software engineers and architects.

They will have practical experience working with Agentic AI, LLMs and AI-assisted engineering, alongside a solid understanding of Liquidity platforms and financial markets.

This is a highly collaborative role requiring excellent communication skills, technical credibility and the ability to translate complex business problems into robust technical solutions.

This role is based in London.

This role will be Via Umbrella.

Working in a Hybrid Model of 2-3 days a week on site.

Key Skills and Experience

• Gather, analyse and document business and technical requirements.
• Translate business needs into detailed functional specifications, user stories and acceptance criteria.
• Work closely with Front Office users, Product Owners, Architects and Software Engineers to deliver high-quality solutions.
• Support Agile delivery, backlog refinement, sprint planning and UAT activities.
• Drive process improvements and ensure solutions are delivered to time, cost and quality.
• Collaborate with engineering teams on modernisation initiatives, AI-enabled development and event-driven platforms.

Required Skills & Experience

• Proven experience as a Technical Business Analyst within Investment Banking or Global Markets.
• Strong hands-on technical background with C# and .NET, enabling effective collaboration with engineering teams and translation of technical requirements.
• Experience working with service-oriented and event-driven architectures.
• Good understanding of MS SQL and modern DevOps practices.
• Practical experience using Large Language Models (LLMs), Agentic AI and AI-assisted software engineering within an enterprise environment.
• Strong stakeholder management, communication, and analytical skills.
• Ability to work independently within a fast-paced Front Office environment.

Essential Domain Knowledge

Candidates must have strong experience in Liquidity Management and knowledge of at least one of the following:

• XVA (CVA, FVA, ColVA)
• Financial Products (Listed & OTC)
• PnL Explain
• Market Risk (Delta, Gamma, Theta, Vega)
• Cash Forecasting
• Balance Sheet Metrics (Leverage Exposure)
• Pre-Trade Calculations & Trade Booking Workflows

IND_PC3

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.