Hello {firstName}, My client within Financial Services is looking for a Senior C#.Net Developer to join their team. The role will be working on strategic transformation of a legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C#). Requirements 5 years of experience in .NET/C# development, with a strong focus on backend services and data access layers. Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL, including performance tuning and SQL dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. Solid understanding of software architecture, design patterns, and integration strategies. Excellent communication skills and ability to work collaboratively in a cross-functional team. Contract: 6 Months Rolling Rate: £530 p/d Via Umbrella Location: Full remote Please click here to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Huxley, please visit