LSEG (London Stock Exchange Group) is seeking a Senior Full-Stack C# Software Engineer to join their AlphaDesk team, which develops award-winning Order and Portfolio Management Software for hedge funds and asset managers globally. The role involves working on mission-critical software that handles electronic trading, real-time portfolio profit & loss, and risk management. The position requires strong expertise in C# and .NET Core, with a focus on developing high-performance, scalable solutions. The ideal candidate will have a solid foundation in software engineering principles, distributed computing, and financial systems. Working at LSEG means joining a dynamic organization of 25,000 people across 65 countries, with a culture focused on integrity, partnership, excellence, and change. The company offers comprehensive benefits including healthcare, retirement planning, and various allowances. This is an opportunity to contribute to a fast-growing team while working on sophisticated financial technology solutions that power global markets.