About Client: A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets. About the Role: We are seeking a highly skilled and passionate Senior iOS Developer with a strong background in Swift and a understanding of agile methodologies , and modern development practices like Spec -Driven Development (TDD), Test-Driv…