Impellam Group
Senior Software Engineer
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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.
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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.
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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
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